Onyx 2



Model Onyx 2
CPU 4x MIPS R10000 / 250 MHz
Memory 2048 MB
Graphics Infinite Reality 2
Video none
Disks 18 GB SCSI
Drives CD-ROM
Other none

Operating System

Operating System IRIX 6.5.22
Hostname gandalf
IP Adress


013-1839-001 Rev E
4P1G5_MPLN (Midplane)
030-1255-003 Rev B
IP31 CPU Board
030-1313-002 Rev A
IP31PIMM (Dual R10000/250)
030-1255-003 Rev B
IP31 CPU Board
030-1313-002 Rev A
IP31PIMM (Dual R10000/250)
030-0734-002 Rev B
030-0880-003 Rev B
MIO (Lego Media IO)
030-1051-002 Rev K
GE14-2 Geometry Engine
030-1054-001 Rev G
030-1053-001 Rev F
030-1054-001 Rev K
030-1053-001 Rev J
030-1055-001 Rev ?
DG5-2 Display Generator

Current Hardware Inventory

4 250 MHZ IP27 Processors
CPU: MIPS R10000 Processor Chip Revision: 3.4
FPU: MIPS R10010 Floating Point Chip Revision: 3.4
Main memory size: 2048 Mbytes
Instruction cache size: 32 Kbytes
Data cache size: 32 Kbytes
Secondary unified instruction/data cache size: 4 Mbytes
Integral SCSI controller 0: Version QL1040B (rev. 2), single ended
Disk drive: unit 1 on SCSI controller 0
CDROM: unit 6 on SCSI controller 0
Integral SCSI controller 1: Version QL1040B (rev. 2), single ended
IOC3/IOC4 serial port: tty1
IOC3/IOC4 serial port: tty2
IOC3/IOC4 serial port: tty3
IOC3/IOC4 serial port: tty4
IOC3 parallel port: plp1
Graphics board: InfiniteReality2
Integral Fast Ethernet: ef0, version 1, module 1, slot io1, pci 2
Iris Audio Processor: version RAD revision 7.0, number 1
Origin BASEIO board, module 1 slot 1: Revision 3
IOC3/IOC4 external interrupts: 1
Graphics board 0 is "KONAL" graphics.
Unmanaged 1280x1024
Display has 2 channels
2 GEs (of 2), occmask = 0x03
4MB external BEF ram, 32bit path
2 RM7 boards (of 2) 1/1/0/0
Texture Memory: 64MB/64MB/-/-
Small pixel depth
32K cmap
Xvc info not available for unmanaged boards



Checked 20. June 2012
Report ok


Acquired 27. January 2007

25. February 2007 - CPU+Memory upgrade
20. June 2012 - Infinite Reality 2 dual RM7-64 upgrade


The Onyx 2 was intended to be scrapped when it was rescued by fellow hardware enthusiasts. It was previously owned by a university the southern part of Germany. Nothing is known of the purpose of this system.


Front of an Onyx 2 system.

Onyx 2 with opened front door.

Back of the Onyx 2.

Stripped onyx (front side).

Stripped Onyx (back side).

IP27 CPU board.

IP27 CPU board.

GE14-2 Geometry Engine board.

RM8-16 Raster Manager board.

DG5-2 Display Generator board.

IO6G IO Controller.

Powersupply (front)

Powersupply (back)

Fan drawer.

D4M0 / C2L2 Jumper