IRIX History

4D1-1

4D1-1.0

4D1-1.1

4D1-2

4D1-2.0

4D1-2.1

4D1-2.2

4D1-2.2b

4D1-2.3

4D1-3

4D1-3.0

4D1-3.0A

4D1-3.0B

4D1-3.0.1

4D1-3.1

4D1-3.1A

4D1-3.1B

4D1-3.1C

4D1-3.1D

4D1-3.1E

4D1-3.1F

4D1-3.1G

4D1-3.1.2

4D1-3.2

Full Name 3.2
Release Date ~1989
Supported Hardware Personal Iris (up to 4D/25 Turbo), PowerSeries (4D/2x0 GTX), Professional Iris
Major Changes
  • Personal Iris 4D/25
  • Turbo Graphics Option for Personal Iris
  • Diskless Personal Iris
  • Personal Iris Data Station
  • RE2 for Eclipse Graphics Option
  • Power Center and 4D/210
  • Other: Spaceball, StereoView, LiveVideo Digitizer, 1/2" Tape, NCR Floppy, ...
How to Identify
Part Numbers
Replaced By

4D1-3.2A

4D1-3.2.1

4D1-3.3

Full Name 3.3
Release Date ~06/1990
Supported Hardware
Major Changes Introduction of 33MHz IP7 in PowerSeries and VGX graphics.
How to Identify 3.3 (uname -r)
Part Numbers
Replaced By 3.3 + 3.3.1 or 3.3.1

4D1-3.3.1

Full Name 3.3.1
Release Date ~09/1990
Supported Hardware
Major Changes
How to Identify 3.3.1 (uname -r)
Part Numbers
Replaced By

4D1-3.3.2

Full Name 3.3.2
Release Date ~12/1990
Supported Hardware
Major Changes
How to Identify 3.3.2 (uname -r)
Part Numbers
Replaced By

4D1-3.3.3

Full Name 3.3.3
Release Date
Supported Hardware
Major Changes
How to Identify 3.3.3 (uname -r)
Part Numbers
Replaced By

4D1-3.3.3L

Full Name 3.3.3L
Release Date
Supported Hardware
Major Changes Added support for 40MHz IP15 boards in PowerSeries as well as the VME/SCSI (Jaguar) controller.
How to Identify 3.3.3L (uname -r)
Part Numbers
Replaced By

IRIX 4

4D1-4.0

Full Name 4D1-4.0
Release Date 09/91
Supported Hardware Professional Iris (IP4), PowerSeries (IP5), Personal Iris (IP6, IP12), Indigo R3000 (IP12)
Major Changes Added support for Indigo R3000 and Skwriter / VGXT.
First release with native support for X Window System (features X11/R4, 4DWM window manager and the IRIS Workspace desktop)
How to Identify 4.0 (uname -r)
Part Numbers 812-0030-002 (CD)
Replaced By 4D1-4.0.1

4D1-4.0.1

Full Name 4.0.1
Release Date 11/91
Supported Hardware Professional Iris (IP4), PowerSeries (IP5), Personal Iris (IP6, IP12), Indigo R3000 (IP12)
Major Changes
How to Identify 4.0.1 (uname -r)
Part Numbers 812-0064-001 (CD)
Replaced By 5.2

4D1-4.0.1T

Full Name 4.0.1T
Release Date
Supported Hardware Professional Iris (IP4), PowerSeries (IP5), Personal Iris (IP6, IP12), Indigo R3000 (IP12)
Major Changes First Trusted IRIX (TIRIX) release.
How to Identify 4.0.1 (uname -r)
TIRIX/B (uname -s)
Part Numbers
Replaced By 4.0.4T

4D1-4.0.2

Full Name 4.0.2
Release Date 03/92
Supported Hardware Professional Iris (IP4), PowerSeries (IP5), Personal Iris (IP6, IP12), Indigo R3000 (IP12), Crimson (IP17)
Major Changes Added support for XS, XS24 and Elan graphics on Indigo, 4D/30, and 4D/35.
How to Identify 4.0.2 (uname -r)
Part Numbers 812-0064-004 (CD)
812-0078-003 (Maintenance CD)
Replaced By 4.0.4
IRIX 4.0.2 is a hardware specific release based on 4.0.1 with support for the new Express graphics added.

4D1-4.0.3

Full Name 4.0.3
Release Date 03/92
Supported Hardware Professional Series, Power Series, Personal Iris, R3000 Indigo, 100MHz Crimson. No Reality Engine
Major Changes Introduction of Crimson (IP17) with version 2.1 of R4000 CPU chip.
How to Identify 4.0.3 (uname -r)
Part Numbers 812-0064-003 (CD)
Replaced By 4.0.4
IRIX 4.0.3 is a hardware specific release based on 4.0.1 with support for Crimson systems added.

4D1-4.0.4

Full Name 4.0.4
Release Date 03/92
Supported Hardware Professional Series, Power Series, Personal Iris, R3000 Indigo, 100MHz Crimson. No Reality Engine
Major Changes Added support for Crimson (IP17) with version 2.2 of R4000 CPU chip.
Combines 4.0.2 and 4.0.3.
How to Identify 4.0.4 (uname -r)
Part Numbers
Replaced By 4.0.5A
IRIX 4.0.4 was the second release for the Crimson systems. It was used as a general bug fix for critical problems until the release of 4.0.5.

4D1-4.0.4B

Full Name 4.0.4B
Release Date
Supported Hardware Professional Series, Power Series, Personal Iris, R3000 Indigo, 100MHz Crimson. No Reality Engine
Major Changes Added support for a second source for R4000 CPU chip.
How to Identify 4.0.4 (uname -r)
Execution Only Environment 1, 4.0.4B (versions -v eoe1.sw.unix)
Part Numbers
Replaced By 4.0.5a

4D1-4.0.4T

Full Name 4.0.4T
Release Date
Supported Hardware Professional Series, Power Series, Personal Iris, R3000 Indigo, 100MHz Crimson. No Reality Engine
Major Changes Second Trusted IRIX (TIRIX) release. Supported on all 4.0.4 Platforms.
How to Identify 4.0.4 (uname -r)
TIRIX/B (uname -s)
Part Numbers
Replaced By 4.0.5IPR

4D1-4.0.5

Full Name 4.0.5
Release Date
Supported Hardware Professional Iris (IP4), PowerSeries (IP5, IP7, IP9), Personal Iris (IP6, IP12), Indigo R3000 (IP12), Crimson (IP17)
Major Changes Combines all previous 4.0.X releases.
How to Identify 4.0.5 (uname -r)
...729 (versions -vn eoe1.sw.unix)
Part Numbers 812-0064-008 (CD)
812-0078-006 (Maintenance CD)
Replaced By 4.0.5A
The label on the box says Rev A. The CD-ROM and tapes are labeled 4.0.5.

4D1-4.0.5A

Full Name
Release Date
Supported Hardware
Major Changes
How to Identify 4.0.5 (uname -r)
versions -vn eoe1.sw.unix shows a number ending with 731
Part Numbers
Replaced By
Really revision B.

4D1-4.0.5C

Full Name
Release Date
Supported Hardware
Major Changes
How to Identify
Part Numbers
Replaced By

4D1-4.0.5D

Full Name 4.0.5D
Release Date
Supported Hardware Power Series and Crimson systems with Reality Engine
Major Changes Added support for Reality Engine
How to Identify 4.0.5D (uname -r)
Part Numbers
Replaced By 4.0.5E

4D1-4.0.5E

Full Name 4D1-4.0.5E
Release Date unknown
Supported Hardware Powerseries/Crimson with RealityEngine graphics, Indigo
Major Changes Second Multi-media release. Added support for R4000 Indigo.
How to Identify 4.0.5E (uname -r)
Part Numbers
Replaced By 4D1-4.0.5F

4D1-4.0.5 EPL

Full Name 4.0.5 EPL
Release Date Professional Series, Power Series, Personal Iris, 100MHz Crimson, Indigo, Indigo 2
Supported Hardware
Major Changes Functionally the same as 4.0.5IPR. Satisfied NCSC formal evaluation as a B1 system.
How to Identify 4.0.5EPL (uname -r)
TIRIX/B (uname -s)
Part Numbers
Replaced By IRIX 5.3 + 5.3 TIRIX

4D1-4.0.5F

Full Name 4.0.5F
Release Date
Supported Hardware Indigo R3000 (IP12, IP20), Crimson (IP17)
Major Changes Added support for for IP20 Indigo, Reality Engine.
How to Identify 4.0.5F (uname -r)
Part Numbers 812-0064-012 (CD)
812-0078-010 (Maintenance CD)
Replaced By IRIX 5.2

4D1-4.0.5G

Full Name 4.0.5G
Release Date
Supported Hardware Powerseries/Crimson with RealityEngine graphics, Indigo
Major Changes Bugfix release for RealityEngine. There are at least 2 4.0.5G versions (the newer one has maint_eoe1 included).
How to Identify 4.0.5G (uname -r)
Part Numbers
Replaced By IRIX 5.2

4D1-4.0.5H

Full Name 4.0.5H
Release Date 03/93
Supported Hardware Powerseries/Crimson with RealityEngine graphics + VSII, Crimson Extreme, Indigo 2, Challenge M
Major Changes Newly supported are Indigo2 and Extreme Graphics, support for RE systems with Video Splitter II (VSII), also known as Multi Channel Option (MCO), but not RE systems without VSII.
How to Identify 4.0.5H (uname -r)
Part Numbers 812-0064-018 (CD)
812-0078-015 (Maintenance CD)
Replaced By 4.0.5H A360

4D1-4.0.5H A360

Full Name 4.0.5H A360
Release Date
Supported Hardware Powerseries/Crimson with RealityEngine graphics + VSII, Crimson Extreme, Indigo 2, Challenge M
Major Changes Bugfixes
How to Identify 4.0.5H (uname -r)
...360 (versions -vn eoe1.sw.unix)
Part Numbers
Replaced By IRIX 5.2

4D1-4.0.5H A360 MCO

Full Name 4.0.5H A360 MCO
Release Date
Supported Hardware Powerseries/Crimson with RealityEngine graphics + VSII, Crimson Extreme, Indigo 2, Challenge M
Major Changes Bugfixes
How to Identify 4.0.5H (uname -r)
...360 (versions -vn eoe1.sw.unix)
Execution Only Environment 1 MCO Update, 4.0.5H (versions -b maint_eoe1)
Part Numbers
Replaced By IRIX 5.2

4D1-4.0.5IOP

Full Name 4.0.5 Indigo Only Patch
Release Date 04/93
Supported Hardware Indigo and Indigo 2
Major Changes Bugfixes, based on 4.0.5H
How to Identify 4.0.5H (uname -r)
Execution Only Environment 1, 4.0.5 Indigo Patch (versions -b eoe1)
Part Numbers 812-0201-001 (CD)
Replaced By IRIX 5.2

4D1-4.0.5IPR

Full Name 4.0.5IPR
Release Date
Supported Hardware Professional Series, Power Series, Personal Iris, Crimson, Indigo, Indigo 2
Major Changes Trusted IRIX release. Added support for R4000 Indigo, Indigo2, Crimson, and Reality Engine graphics.
How to Identify 4.0.5IPR (uname -r)
Part Numbers
Replaced By 4.0.5EPL

4D1-4.0.5J

Full Name 4.0.5J
Release Date
Supported Hardware Crimson with GTX, VGX, VGXT and Starter graphics
Major Changes Added support for 150MHz IP17.
How to Identify 4.0.5J (uname -r)
Part Numbers
Replaced By IRIX 5.2

4D1-4.0.5MM

Full Name 4.0.5MM
Release Date
Supported Hardware Indigo R3000
Major Changes First MultiMedia release.
How to Identify 4.0.5MM (uname -r)
Part Numbers
Replaced By IRIX 4.0.5F

IRIX 5

IRIX 5.0

Full Name 5.0
Release Date 03/93
Supported Hardware Onyx / Challenge (100MHz IP19 with VTX or Reality Engine 2)
Major Changes Introduction of Onyx / Challenge with IP19 (100 MHz R4K) and VTX or Reality Engine 2 graphics
With the switch from 4.x to IRIX 5.0 SGI moved from static to dynamic libraries and introduced the new ELF in place of the older COFF a.out file type. Along with this came the O32 ABI.
How to Identify 5.0 (uname -r)
Part Numbers 812-0119-001
Replaced By IRIX 5.0.1
The version is known to have many bugs and should be avoided.

IRIX 5.0.1

Full Name 5.0.1
Release Date 06/93
Supported Hardware Onyx / Challenge (100MHz IP19 with VTX or Reality Engine 2)
Major Changes Support for third cardcage (additional VME busses or second graphics subsystem)
Systune kernel tuning and configuration utility, Shadow passwords
How to Identify 5.2 (uname -r)
Part Numbers 812-0119-002
Replaced By IRIX 5.2

IRIX 5.1 (Indy)

Full Name Indy IRIX 5.1
Release Date unknown
Supported Hardware Indy with 100 MHz R4000 CPU (PC/SC) and 150 MHz R4400SC
Major Changes Added Support for Indy.
IRIX 5.1 is the release that the Indigo Magic desktop was introduced with.
How to Identify 5.1 (uname -r)
IndigoMagic Desktop, 5.1 (versions -b desktop_eoe)
Part Numbers
Replaced By IRIX 5.2
Like IRIX 5.0 this version is also known to have many bugs. There is a memo from inside SGI covering the quality problems which was posted into Usenet back then. A local copy is available here.

IRIX 5.1 (Non Indy)

Full Name IRIX 5.1
Release Date 9/93
Supported Hardware Onyx / Challenge (100MHz or 150MHz IP19 with VTX or Reality Engine 2), Indigo 2 (100MHz or 150MHz IP22), Indigo, Galileo Video
Major Changes Galileo Support for Indigo / Indigo 2, Bugfixes for Onyx / Challenge
How to Identify 5.1 (uname -r)
4Sight Desktop, 5.1 (versions -b desktop_eoe)
Part Numbers 812-0119-004 (CD)
Replaced By IRIX 5.2
Like IRIX 5.0 this version is also known to have many bugs. There is a memo from inside SGI covering the quality problems which was posted into Usenet back then. A local copy is available here.

IRIX 5.1.1 (Indy)

Full Name Indy IRIX 5.1.1
Release Date 09/93
Supported Hardware Indy with 100MHz R4000PC, 100MHz R4000SC, 150MHz R4400 and Indy graphics
Major Changes Bugfixes, upgraded standalone tools. Supports Indy with R4000PC, R4000SC, or R4400 CPU chips only.
How to Identify 5.1.1 (uname -r)
IndigoMagic Desktop, 5.1.1 (versions -b desktop_eoe)
Part Numbers 812-0232-002 (CD)
Replaced By IRIX 5.2
Patch releases: 5.1.1.1, 5.1.1.2 and 5.1.1.3

IRIX 5.1.1 (Non Indy)

Full Name IRIX 5.1
Release Date
Supported Hardware CHALLENGE and Onyx with 100MHz IP19 and VTX or RealityEngine2 graphics, Indigo2 XL with 100MHz or 150MHz IP22, Indigo2 with 100MHz or 150MHz IP22 and Galileo Video, Indigo with Galileo video
Major Changes Bug fix release.
How to Identify 5.1.1 (uname -r)
Part Numbers
Replaced By IRIX 5.2
Patch releases: 5.1.1.1, 5.1.1.2 and 5.1.1.3
Runs on other hardware as well.

IRIX 5.2

Full Name IRIX 5.2
Release Date 03/94
Supported Hardware Professional Iris , PowerSeries, Personal Iris, Crimson, Indigo, Onyx / Challenge (IP19 with 100 and 150MHz, VTX and Reality Engine 2)
Major Changes Merge release for previous 4.0.x and 5.x versions.
How to Identify 5.2 (uname -r)
Part Numbers 812-0119-005 (CD)
Replaced By IRIX 5.3
IRIX 5.2 is the last IRIX version to run on all IRIS 4D machines.

IRIX 5.2 for Onyx Extreme

Full Name IRIX 5.2 for Onyx Extreme
Release Date
Supported Hardware Onyx Extreme with 100 or 150 MHz IP19
Major Changes Added support for Extreme Graphics on Onyx (IP19).
How to Identify 5.2 (uname -r)
1011168200 (versions -n eoe1.sw.unix)
Part Numbers
Replaced By IRIX 5.3

IRIX 5.2 for Indy R4600PC & Challenge S

Full Name IRIX 5.2 for Indy R4600PC & Challenge S
Release Date
Supported Hardware Indy and Challenge S with 100 MHz R4000PC/SC, 150 MHz R4400SC, 100 MHz R4600PC
Major Changes Added support for R4600PC CPU.
How to Identify 5.2 (uname -r)
1011112900 (versions -n eoe1.sw.unix)
Part Numbers
Replaced By IRIX 5.3

IRIX 5.2 for Indy R4600SC, XZ and Presenter

Full Name IRIX 5.2 for Indy R4600SC, XZ and Presenter
Release Date
Supported Hardware Indy and Challenge S with 100 MHz R4000PC/SC, 150 MHz R4400SC, 100 MHz R4600PC/SC
Major Changes Added support for R4600SC CPU and XZ graphics. Presenter Support
How to Identify 5.2 (uname -r)
1011372420 (versions -n eoe1.sw.unix)
Part Numbers
Replaced By IRIX 5.3

IRIX 5.2 for Challenge / Onyx

Full Name IRIX 5.2 for Challenge / Onyx
Release Date
Supported Hardware Challenge / Onyx with 100, 150 or 200 MHz IP19 (Extreme, VTX, or Reality Engine 2)
Major Changes Added support for 200 MHz IP19 for Challenge Onyx
How to Identify 5.2 (uname -r)
IRIX Execution Environment 1, 5.2-200MHz Challenge and Onyx (versions -b eoe1)
Part Numbers
Replaced By IRIX 5.3

IRIX 5.2 TKO

Full Name IRIX 5.3 Triple Keyboard Option
Release Date
Supported Hardware Onyx with 100, 150 or 200 MHz IP19 (Extreme, VTX, or Reality Engine 2)
Major Changes Support for Triple Keyboard Option
How to Identify 5.2-TKO (uname -r)
Part Numbers
Replaced By IRIX 5.3

IRIX 5.2 + VSeries 1.0

Full Name VSeries 1.0 for IRIX 5.2
Release Date 03/94
Supported Hardware VME IP10, VME IP12
Major Changes Support for Indigo and Indigo R4000 sysems with XS - Elan graphics. Support also VME version of Personal Iris (4D/30 and 4D/35) with Personal Iris graphics.
How to Identify 5.2 (uname -r)
version -b lists vseries
Part Numbers 812-0277-001 (CD)
Replaced By

IRIX 5.3

Full Name IRIX 5.3
Release Date 11/94
Supported Hardware Professional Iris , Power Series, Personal Iris, Indigo, Indigo 2 (100 MHz R4000SC or 150 MHz R4400SC), Challenge / Onyx (100, 150 or 200 MHz IP19), Indy / Challenge S (100 MHz R4000PC, 100 MHz R4000SC, 150 MHz R4400SC or 100 MHz R4600SC)
Major Changes Merge Release.
How to Identify 5.3 (uname -r)
Part Numbers 812-0119-006 (CD)
Replaced By IRIX 6.2
Support for some Professional Iris models is limited in this IRIX release (4D/60 and 4D/70 models no longer supported).

IRIX 5.3 XFS

Full Name IRIX 5.3 with XFS
Release Date 12/94
Supported Hardware Professional Iris (IP4.5), Power Series, Personal Iris (IP12), Indigo, Indigo 2 (100 MHz R4000SC or 150 MHz R4400SC), Challenge / Onyx (100, 150 or 200 MHz IP19), Indy / Challenge S (100 MHz R4000PC, 100 MHz R4000SC, 150 MHz R4400SC or 100 MHz R4600SC)
Major Changes Added support for XFS file system and XLV logical volumes. No support for IP4 and IP6.
How to Identify 5.3 (uname -r)
IRIX Execution Environment 1, 5.3 with XFS (versions -b eoe1)
Part Numbers 812-0323-001 (CD)
Replaced By IRIX 6.2

IRIX 5.3 for Indy R4400 175MHz

Full Name IRIX 5.3 for Indy R4400 175MHz
Release Date 02/95
Supported Hardware Indy / Challenge S: all R4000, R4600 and R4400 CPUs
Major Changes Added support to 5.3 for the 175MHz and 200MHz R4400 CPUs for Indy.
How to Identify 5.3 (uname -r)
IRIX Execution Environment 1, 5.3 for 175MHz INDY (versions -b eoe1)
Part Numbers 812-0336-001 (CD)
Replaced By IRIX 6.2

IRIX 5.3 with Presenter 1.0

Full Name IRIX 5.3 for Indigo2 with Presenter 1.0 (for R4X00 Systems with XZ or EX Graphics)
Release Date 05/95
Supported Hardware Indigo 2 with XL, XZ, Elan and Extreme graphics
Major Changes Support for Presenter
How to Identify 5.3 (uname -r)
1022099720 (versions -n eoe1.sw.unix)
Part Numbers 812-0339-001 (CD)
Replaced By IRIX 5.3 with Presenter 175Mhz and 2MB cache

IRIX 5.3 + 5.3 TIRIX

Full Name TRUSTED IRIX 5.3
Release Date 06/95
Supported Hardware All platforms supported by IRIX 5.3.
Major Changes IRIX 5.3 with TRUSTED IRIX features.
How to Identify 5.3-ALPHA-1022131220 (uname -r)
TRIX (uname -s)
Part Numbers 812-0353-001 (CD)
Replaced By

IRIX 5.3 for 175MHz and 2MB Cache

Full Name IRIX 5.3 with 175Mhz and 2MB cache support
Release Date 08/95
Supported Hardware Indigo 2 with R4x00 up to 200 MHz CPU
Major Changes Added support for 175MHz R4400 and 200 MHz R4400 with 2MB cache.
How to Identify 5.3 (uname -r)
1022270320 (versions -n eoe1.sw.unix)
Part Numbers 812-0119-008 (CD)
Replaced By IRIX 5.3 with Presenter for 175 MHz and 2MB cache

IRIX 5.3 for Indy R4x00

Full Name IRIX 5.3 for Indy R4000, R4400, R4600 (100-200Mhz)
Release Date 08/95
Supported Hardware Indy / Challenge S: all R4000, R4600 and R4400 CPUs
Major Changes -
How to Identify 5.3 (uname -r)
IRIX Execution Environment 1, 5.3 for 175MHz INDY (versions -b eoe1)
Part Numbers 812-0336-002 (CD)
Replaced By IRIX 6.2
Same software as IRIX 5.3 for Indy R4400 175MHz, only different CD.

IRIX 5.3 with Presenter for 175MHz and 2MB Cache

Full Name IRIX 5.3 with Presenter 175Mhz and 2MB cache
Release Date 09/95
Supported Hardware Indigo 2 (R4400 and R4600)
Major Changes Added support for presenter on systems with R4400/175 and R4400/200.
How to Identify 5.3-ALPHA-1022335120 (uname -r)
Part Numbers 812-0339-002 (CD)
Replaced By IRIX 6.2

IRIX 5.3 for Indigo 2 Impact

Full Name IRIX 5.3 for Indigo2 IMPACT
Release Date 09/95
Supported Hardware Indigo 2 with High Impact graphics (R4400, R4600)
Major Changes Introduced High Impact graphics.
How to Identify 5.3 (uname -r)
1022372333 (versions -n eoe1.sw.unix)
Part Numbers 812-0119-009 (CD)
Replaced By IRIX 5.3 for all Indigo 2 Impact

IRIX 5.3 for all Dual Head Indy

Full Name IRIX 5.3 for Indy Dual Head Graphics Upgrade Option
Release Date 10/95
Supported Hardware Indy / Challenge S (R4000, R4400 and R4600)
Major Changes Added support for dual head graphics Indy.
How to Identify 5.3 (uname -r)
1022452520 (versions -n eoe1.sw.unix)
Part Numbers 812-0336-003
Replaced By IRIX 6.2

IRIX 5.3 for all Indigo 2 Impact

Full Name IRIX 5.3 All Indigo2 IMPACT
Release Date 12/95
Supported Hardware Indigo 2 with Impact graphics (R4400 and R4600)
Major Changes Added support for High Impact graphics on Indigo2 systems. No support for non Impact systems.
How to Identify 5.3 (uname -r)
1022585737 (versions -n eoe1.sw.unix)
Part Numbers 812-0119-010 (CD)
Replaced By IRIX 6.2

IRIX 5.3 for Indy including R5000

Full Name IRIX 5.3 for Indy including R5000
Release Date 02/96
Supported Hardware Indy / Challenge S
Major Changes R5000 support for 5.3
How to Identify 5.3 (uname -r)
IRIX Execution Environment 1, 5.3 INDY R5000 (versions -b eoe1)
Part Numbers 812-0336-004 (CD)1
Replaced By IRIX 6.2

IRIX 5.3 XFS for Indy including R5000

Full Name IRIX 5.3 XFS for Indy including R5000
Release Date 05/96
Supported Hardware Indy / Challenge S
Major Changes R5000 support added to 5.3 XFS.
How to Identify 5.3 (uname -r)
IRIX Execution Environment 1, 5.3 INDY R5000 with XFS (versions -b eoe1)
Part Numbers 812-0336-005 (CD)
Replaced By IRIX 6.2

IRIX 6

IRIX 6.0

Full Name IRIX 6.0
Release Date
Supported Hardware Power Challenge and Power Onyx
Major Changes Added support for Power Challenge and Power Onyx systems (75MHz IP21).
64 bit support and N64 ABI.
How to Identify 6.0 (uname -r)
Part Numbers 812-0302-001 (CD)
Replaced By IRIX 6.0.1
This is the first 64bit IRIX release, it is based on IRIX 5.2 code. It was introduced for the next generation 64bit systems featuring the R8000 CPU (POWER Indigo 2 and POWER Challenge/Onyx)

IRIX 6.0.1

Full Name IRIX 6.0.1
Release Date 12/94
Supported Hardware Power Challenge, Power Onyx and Power Indigo 2
Major Changes Added support for Power Challenge M and Power Indigo 2 (IP26)
How to Identify 6.0.1 (uname -r)
1121688834 (versions -n eoe1.sw.unix)
Part Numbers 812-0302-002
Replaced By IRIX 6.1
Second 64bit IRIX release, based on IRIX 5.3 code.

IRIX 6.0.1 XFS

Full Name IRIX 6.0.1 with XFS
Release Date 03/95
Supported Hardware Power Challenge, Power Onyx and Power Indigo 2
Major Changes Added support for XFS file system and XLV logical volumes.
How to Identify 6.0.1 (uname -r)
1121948034 (versions -n eoe1.sw.unix)
Part Numbers 812-0348-001 (CD)
Replaced By IRIX 6.1

IRIX 6.0.1 for Power Indigo 2 with Presenter

Full Name IRIX 6.0.1 for Power Indigo2 with Presenter 1.0
Release Date 5/95
Supported Hardware Power Indigo 2 with Presenter
Major Changes Presenter support for Power Indigo 2
How to Identify 6.0.1 (uname -r)
1122099920 (versions -n eoe1.sw.unix)
Part Numbers 812-0340-001 (CD)
Replaced By IRIX 6.1

IRIX 6.1

Full Name IRIX 6.1
Release Date 07/95
Supported Hardware Power Challenge, Power Onyx and Power Indigo 2
Major Changes Added 90 MHz IP21 support (Power Challenge and Power Onyx).
How to Identify 6.1 (uname -r)
Part Numbers 812-0382-001 (CD)
Replaced By IRIX 6.2
Read the IRIX 6.1 Technical Report.

IRIX 6.2

Full Name IRIX 6.2
Release Date 03/96
Supported Hardware All systems, except the ones with R3000 and/or GT/GTX(B) graphics
Major Changes Dropped R3000 and GT/GTX(B) support. Added R4400/250 support for Indigo 2, Onyx / Challenge. Added IP25 and Infinite Reality support.
The user interface is now based on X11R6 (plus 4dwm and Indigo Magic Desktop).
Support for COFF executables has been dropped from the IRIX kernel.
How to Identify 6.2 (uname -r)
Part Numbers 812-0469-001 (CD1)
812-0470-001 (CD2)
Replaced By IRIX 6.5
IRIX 6.2 is the first IRIX version to feature the N32 ABI. The IRIX 6.2 Technical Report is also available.

IRIX 6.2 for Indigo 2 Impact R10000

Full Name IRIX 6.2 for Indigo 2 Impact R10000
Release Date 06/96
Supported Hardware Indigo R4000, Indigo 2
Major Changes Added support for Impact graphics
How to Identify 6.2 for IMPACT 10000 (uname -R)
Part Numbers 812-0469-002 (CD1)
812-0470-002 (CD2)
Replaced By IRIX 6.5
Though other systems are officially unsupported this IRIX release works fine on Indy / Challenge S systems with any CPU. Others untested so far.

IRIX 6.3 for O2

Full Name IRIX 6.3 for O2
Release Date 09/96
Supported Hardware O2 with R5000 CPU
Major Changes Introduction of O2
How to Identify 6.3 (uname -R)
Part Numbers
Replaced By IRIX 6.3 for O2 including R10000

IRIX 6.3 for O2 including R10000

Full Name IRIX 6.3 for O2 Including R10000
Release Date 11/96
Supported Hardware O2 with R5000 and R10000 CPU
Major Changes Added support for R10000 CPU in O2
How to Identify 6.3 O2 R10000 (uname -R)
Part Numbers
Replaced By IRIX 6.5

IRIX 6.4 for Origin 200, Origin 2000, Onyx 2 IR

Full Name IRIX 6.4 for Origin200, Origin2000, Onyx2IR
Release Date 11/96
Supported Hardware Origin 200, Origin 2000 and Onyx 2 only
Major Changes Added support for Origin 200, Origin 2000 and Onyx 2 systems with Infinite Reality graphics.
How to Identify 6.4 S2MP (uname -R)
Part Numbers
Replaced By IRIX 6.4 for Origin, Onyx 2 and Octane
Read the IRIX 6.4 Technical Report.

IRIX 6.4 for Origin, Onyx 2 and Octane (6.4.1)

Full Name IRIX 6.4 for Origin, Onyx2 and OCTANE
Release Date 02/97
Supported Hardware Origin 200, Origin 2000, Onyx 2 and Octane only
Major Changes Support for Octane added (R10000 175 and 195MHz, SI - MXI graphics)
How to Identify 6.4 S2MP+OCTANE (uname -R)
Part Numbers 812-0616-002 (IRIX 6.4 for Origin, Onyx2 and OCTANE, 2/97)
812-0617-002 (IRIX 6.4 Applications, February 1997)
Replaced By IRIX 6.5
Required NFS CD: 812-0305-009 (for: IRIX 6.2, IRIX 6.3 for O2 Including R10000, and IRIX 6.4 for Origin, Onyx2, and OCTANE)
Required IDO CD: 812-0625-002 (including MIPSPro 7.1.1, for: IRIX 6.2, IRIX 6.3 for O2 Including R10000 and IRIX 6.4 for Origin, Onyx2, and OCTANE)


IRIX 6.5.x

IRIX 6.5

Full Name IRIX 6.5
Release Date 06/1998
Supported Hardware All current hardware, all legacy systems with R4000 CPU or better (except Crimson).
Major Changes
How to Identify
Part Numbers 812-0758-002 (Installation Tools)
812-0759-002 (Foundation 1)
812-0760-002 (Foundation 2)
812-0761-002 (Applications June 1998)
812-0766-002 (Development Libraries)
812-0757-002 (Development Foundation)
812-0779-001 (Base Documentation)
Replaced By IRIX 6.5.1
The two development CDs are usually only required if the machine is used for developing applications. In that case additional software (i.e. compiler) is required. The Base Documentation is not intended for install, it only contains the documentation in a format that makes it possible to read it without installing the books on the harddrive.

IRIX 6.5.1

Full Name IRIX 6.5.1
Release Date 08/1998
Supported Hardware All current hardware, all legacy systems with R4000 CPU or better (except Crimson).
Major Changes Gigabit Ethernet for Octane and Origin, Dual Channel display for O2, Onyx 2 Infinite Reality 2 systems
How to Identify
Part Numbers
Replaced By IRIX 6.5.2
An IRIX 6.5 CD set is required to install this version from scratch.

IRIX 6.5.2

Full Name IRIX 6.5.2
Release Date 11/1998
Supported Hardware All current hardware, all legacy systems with R4000 CPU or better (except Crimson).
Major Changes New flatpanel monitor, 16 pipe Onyx 2 Infinte Reality, GSN network adapter.
Introduction of maintenance and feature stream.
Motif 2.1/IRIS ViewKit 2.1
How to Identify
Part Numbers 812-0818-002 (Installation Tools)
812-0819-002 (Overlays)
812-0877-001 (Applications November 1998)
Replaced By IRIX 6.5.3
An IRIX 6.5 CD set is required to install this version from scratch.

IRIX 6.5.3

Full Name IRIX 6.5.3
Release Date 02/1999
Supported Hardware All current hardware, all legacy systems with R4000 CPU or better (except Crimson).
Major Changes Added R12000 support. Digital Video Multiplexer option for Onyx 2.
How to Identify
Part Numbers 812-0818-003 (Installation Tools and Overlays)
812-0819-003 (Overlays)
812-0877-002 (Appliations February 1999)
Replaced By IRIX 6.5.4
An IRIX 6.5 CD set is required to install this version from scratch.

IRIX 6.5.4

Full Name IRIX 6.5.4
Release Date 05/1999
Supported Hardware All current hardware, all legacy systems with R4000 CPU or better (except Crimson).
Major Changes 270 MHz CPU for O2 and Octane
HDTV XIO Board for Silicon Graphics Onyx2 and SGI Origin 2000
How to Identify
Part Numbers 812-0818-004 (Installation Tools and Overlays)
812-0819-004 (Overlays)
812-0877-003 (Appliations May 1999)
Replaced By IRIX 6.5.5
An IRIX 6.5 CD set is required to install this version from scratch.

IRIX 6.5.5

Full Name IRIX 6.5.5
Release Date 08/1999
Supported Hardware All current hardware, all legacy systems with R4000 CPU or better (except Crimson).
Major Changes
How to Identify
Part Numbers 812-0818-005 (Installation Tools and Overlays)
812-0819-005 (Overlays)
812-0877-004 (Appliations August 1999)
Replaced By IRIX 6.5.6
An IRIX 6.5 CD set is required to install this version from scratch.

IRIX 6.5.6

Full Name IRIX 6.5.6
Release Date 11/1999
Supported Hardware All current hardware, all legacy systems with R4000 CPU or better (except Crimson).
Major Changes
How to Identify
Part Numbers 812-0818-006 (Installation Tools and Overlays)
812-0819-006 (Overlays)
812-0877-005 (Appliations November 1999)
Replaced By IRIX 6.5.7
An IRIX 6.5 CD set is required to install this version from scratch.

IRIX 6.5.7

Full Name IRIX 6.5.7
Release Date 02/2000
Supported Hardware All current hardware, all legacy systems with R4000 CPU or better (except Crimson).
Major Changes Support for Silicon Graphics Onyx2 InfiniteReality3 systems
CXFS Support
How to Identify
Part Numbers 812-0818-007 (Installation Tools and Overlays)
812-0819-007 (Overlays)
812-0877-006 (Appliations February 2000)
Replaced By IRIX 6.5.8
An IRIX 6.5 CD set is required to install this version from scratch.

IRIX 6.5.8

Full Name IRIX 6.5.8
Release Date 05/2000
Supported Hardware All current hardware, all legacy systems with R4000 CPU or better (except Crimson).
Major Changes Support for VPro graphics (Octane), and Infinite Reality 3 graphics (Onyx 2). Added R1200 support for Onyx 2, Origin 2000 and Onyx 2.
How to Identify
Part Numbers
Replaced By IRIX 6.5.9
An IRIX 6.5 CD set is required to install this version from scratch.

IRIX 6.5.9

Full Name IRIX 6.5.9
Release Date 08/2000
Supported Hardware All current hardware, all legacy systems with R4000 CPU or better (except Crimson).
Major Changes Added support for Origin 3000, TVO digital video option for Onyx 2 and RM7000 processor for O2.
How to Identify
Part Numbers
Replaced By IRIX 6.5.10
An IRIX 6.5 CD set is required to install this version from scratch.

IRIX 6.5.10

Full Name IRIX 6.5.10
Release Date 11/2000
Supported Hardware All current hardware, all legacy systems with R4000 CPU or better (except Crimson).
Major Changes Added support for VPro graphics V6 and V10 (Octane)
How to Identify
Part Numbers
Replaced By IRIX 6.5.11
An IRIX 6.5 CD set is required to install this version from scratch.

IRIX 6.5.11

Full Name IRIX 6.5.11
Release Date 02/2001
Supported Hardware All current hardware, all legacy systems with R4000 CPU or better (except Crimson).
Major Changes Support for DMediaPro DM2 and DM3 video options and higher lever VPro graphics V8 and V12 (Octane
How to Identify
Part Numbers
Replaced By IRIX 6.5.12
An IRIX 6.5 CD set is required to install this version from scratch.

IRIX 6.5.12

Full Name IRIX 6.5.12
Release Date 05/2001
Supported Hardware All current hardware, all legacy systems with R4000 CPU or better (except Crimson).
Major Changes 500 MHz R14000 CPU introduced for Onyx 3000 / Origin 3000
How to Identify
Part Numbers
Replaced By IRIX 6.5.13
An IRIX 6.5 CD set is required to install this version from scratch.

IRIX 6.5.13

Full Name IRIX 6.5.13
Release Date 08/2001
Supported Hardware All current hardware, all legacy systems with R4000 CPU or better (except Crimson).
Major Changes 500 MHz R14000 CPU introduced for Onyx 2 / Origin 2000
How to Identify
Part Numbers
Replaced By IRIX 6.5.14
An IRIX 6.5 CD set is required to install this version from scratch.

IRIX 6.5.14

Full Name IRIX 6.5.14
Release Date 11/2001
Supported Hardware All current hardware, all legacy systems with R4000 CPU or better (except Crimson).
Major Changes  
How to Identify
Part Numbers
Replaced By IRIX 6.5.15
An IRIX 6.5 CD set is required to install this version from scratch.

IRIX 6.5.15

Full Name IRIX 6.5.15
Release Date 02/2002
Supported Hardware All current hardware, all legacy systems with R4000 CPU or better (except Crimson).
Major Changes Origin 300 server support.
How to Identify
Part Numbers
Replaced By IRIX 6.5.16
An IRIX 6.5 CD set is required to install this version from scratch.

IRIX 6.5.16

Full Name IRIX 6.5.16
Release Date 05/2002
Supported Hardware All current hardware, all legacy systems with R4000 CPU or better (except Crimson).
Major Changes
How to Identify
Part Numbers
Replaced By IRIX 6.5.17
An IRIX 6.5 CD set is required to install this version from scratch.

IRIX 6.5.17

Full Name IRIX 6.5.17
Release Date 08/2002
Supported Hardware All current hardware, all legacy systems with R4000 CPU or better (except Crimson).
Major Changes Added support for the Fuel.
How to Identify
Part Numbers
Replaced By IRIX 6.5.18
An IRIX 6.5 CD set is required to install this version from scratch.

IRIX 6.5.18

Full Name IRIX 6.5.18
Release Date 11/2002
Supported Hardware All current hardware, all legacy systems with R4000 CPU or better (except Crimson).
Major Changes
How to Identify
Part Numbers
Replaced By IRIX 6.5.19
An IRIX 6.5 CD set is required to install this version from scratch.

This IRIX version is the first to allow reading UDF discs (important for DVD).

IRIX 6.5.19

Full Name IRIX 6.5.19
Release Date 02/2003
Supported Hardware All current hardware, all legacy systems with R4000 CPU or better (except Crimson).
Major Changes Support for Origin 3900 added.
How to Identify
Part Numbers
Replaced By IRIX 6.5.20
An IRIX 6.5 CD set is required to install this version from scratch.

IRIX 6.5.20

Full Name IRIX 6.5.20
Release Date 05/2003
Supported Hardware All current hardware, all legacy systems with R4000 CPU or better (except Crimson).
Major Changes
How to Identify
Part Numbers
Replaced By IRIX 6.5.21
An IRIX 6.5 CD set is required to install this version from scratch.

This IRIX version is the first to allow writing UDF discs (important for DVD).

IRIX 6.5.21

Full Name IRIX 6.5.21
Release Date 08/2003
Supported Hardware All current hardware, all legacy systems with R4000 CPU or better (except Crimson).
Major Changes Origin 350 support, Onyx 4 Ultimate Vision support
How to Identify
Part Numbers
Replaced By IRIX 6.5.22
An IRIX 6.5 CD set is required to install this version from scratch.

IRIX 6.5.22

Full Name IRIX 6.5.22
Release Date 11/2003
Supported Hardware All current hardware, all legacy systems with R4000 CPU or better (except Crimson).
Major Changes

As announced in a customer letter around August 2003 this release will be the last to support some of the older machines. This includes Challenge, Indigo, Indigo 2, Indy, Power Challenge, Power Indigo 2, Power Onyx, Onyx.

Also, IRIX 6.5.22 is the last version of IRIX 6.5 available in maintenance and feature stream versions.

How to Identify
Part Numbers
Replaced By
An IRIX 6.5 CD set is required to install this version from scratch.

IRIX 6.5.23

Full Name IRIX 6.5.23
Release Date 02/2004
Supported Hardware
Major Changes IRIX 6.5.23 is the first IRIX 6.5 release available only with a valid support contract. The maintenance stream version that was available to any SGI owner is no longer available.
How to Identify
Part Numbers
Replaced By
An IRIX 6.5 CD set is required to install this version from scratch.

IRIX 6.5.24

Full Name IRIX 6.5.24
Release Date 05/2004
Supported Hardware
Major Changes
How to Identify
Part Numbers
Replaced By
An IRIX 6.5 CD set is required to install this version from scratch.

IRIX 6.5.25

Full Name IRIX 6.5.25
Release Date 08/2004
Supported Hardware
Major Changes
How to Identify
Part Numbers
Replaced By
An IRIX 6.5 CD set is required to install this version from scratch.

IRIX 6.5.26

Full Name IRIX 6.5.26
Release Date 11/2004
Supported Hardware
Major Changes
How to Identify
Part Numbers
Replaced By
An IRIX 6.5 CD set is required to install this version from scratch.

IRIX 6.5.27

Full Name IRIX 6.5.27
Release Date 02/2005
Supported Hardware
Major Changes
How to Identify
Part Numbers
Replaced By
An IRIX 6.5 CD set is required to install this version from scratch.

IRIX 6.5.28

Full Name IRIX 6.5.28
Release Date 08/2005
Supported Hardware
Major Changes
How to Identify
Part Numbers
Replaced By
An IRIX 6.5 CD set is required to install this version from scratch.

IRIX 6.5.29

Full Name IRIX 6.5.29
Release Date 02/2006
Supported Hardware
Major Changes
How to Identify
Part Numbers
Replaced By
An IRIX 6.5 CD set is required to install this version from scratch.

IRIX 6.5.30

Full Name IRIX 6.5.30
Release Date 08/2006
Supported Hardware
Major Changes
How to Identify
Part Numbers
Replaced By N/A - EOL
An IRIX 6.5 CD set is required to install this version from scratch.
This is the last IRIX release. Production of IRIX systems ended in December 2006. Support for these systems will continue until December 2013 (source).