This appendix provides the technical specifications for system components in the following sections:
Table A-1 lists the environmental specifications of the Onyx 300 graphics system.
Table A-1. Onyx 300 Graphics System Environmental Specifications
Characteristic | Specification |
|---|---|
Temperature, | +5 ˚C (+41 ˚F) to +35 ˚C (+95 ˚F) (up to 1500 m / 5,000 ft) |
Temperature, | -40 ˚C (-40 ˚F) to +60 ˚C (+140 ˚F) |
Humidity | 10% to 95% RH, noncondensing |
Altitude | Sea level to 40,000 ft (nonoperating) |
The SGI Onyx 300 graphics system can be housed in one or more tall (39U) racks. The number of graphics modules determines how many racks are used.
 | Note: One U is 1.75 in. (4.45 cm). |
Table A-2 lists the specifications of the tall rack.
Table A-2. Tall-rack Specifications
Characteristic | Specification |
|---|---|
Height | 75.82 in. (1925.83 mm) |
Width | 23.62 in. (599.95 mm) |
Depth | 41.25 in. (1048.00 mm) |
Compute-rack weight (maximum) Graphics-rack weight (maximum) | 1,100 lb (499 kg) 850 lb (385 kg) |
Shipping weight (maximum) | 1,281 lb (581 kg) |
The InfiniteReality graphics module is a two-pipe, rackmounted graphics interface that requires 18U of space within a rack and has the specifications that are listed in Table A-3.
Table A-3. InfiniteReality Graphics Module Specifications
Characteristic | Specification |
|---|---|
Height | 31.50 in. (800.10 mm) |
Width | 19.00 in. (482.60 mm) |
Depth | 20.00 in. (508.00 mm) |
Weight | 215 lb (98 kg) |
Input power (maximum) | +180-254 Vac (~2000 W) |
The Onyx 300 compute module provides the compute and base I/O functionality for the system. Table A-4 summarizes the general features of this module.
Table A-4. General Features of the Onyx 300 Compute Module
Feature | Specification |
|---|---|
MIPS RISC processors | Two or four |
Memory | 512 MB to 4 GB |
Expansion slots | Two 32- or 64-bit (33- or 66-MHz) PCI slots |
Serial ports | Two DB-9 RS-232 or RS-422 |
Ethernet | One 10BaseT or 100BaseT |
SCSI channels (internal) | One Ultra3 SCSI, 160 MB/s |
SCSI channels (external) | One Ultra3 SCSI (VHDCI) |
3.5-in. drive bays | Two |
USB ports | Two |
RT interrupt input | One |
RT interrupt output | One |
L1 console port | One |
NUMAlink 3 port | One (1.6 GB/s each direction) |
XIO port | One (800 MB/s each direction) |
Table A-5 shows the specifications for the Onyx 300 compute module.
Table A-5. Onyx 300 Compute Module Specifications
Characteristic | Specification |
|---|---|
Height | 3.46 in. (8.80 cm) |
Width | 19.00 in. (48.30 cm) (front panel width) |
Depth | 26.00 in. (66.00 cm) (without bezel) |
Weight | 36.0 lb (16.4 kg) |
Noise | 50 dB(A) maximum |
Heat dissipation | 938 Btu/hr maximum |
Input power | 110/220 Vac autosensing (~275 W) |
The NUMAlink module routes information between the Onyx 300 compute modules via the NUMAlink 3 interconnect. The NUMAlink module consists of eight ports. Four ports can connect to four Onyx 300 compute modules. The other four ports, which carry USB signals, can connect to Onyx 300 compute modules or PCI expansion modules.
| Note: For more information about the NUMAlink module, refer to the SGI Origin 300 System with NUMAlink Module User's Guide. |
The NUMAlink module requires 2U of space within the rack and has the specifications that Table A-6 lists.
Table A-6. NUMAlink Module Specifications
Characteristic | Specification |
|---|---|
Height | 3.30 in. (83.82 mm) |
Width | 17.38 in. (441.45 mm) |
Depth | 27.50 in. (609.60 mm) |
Weight | 20 lb (9 kg) |
Input power (AC powered) | 110/220 Vac (~60 W) |
Input power (DC powered) | +48 Vdc (~60 W) |
The four-port USB hub connects the L2 controller to the Onyx 300 compute modules that connect to ports 1, 6, 7, and 8 of the NUMAlink module. In a multiple-rack system, USB hubs connect the L2 controller to the InfiniteReality graphics modules.
Table A-7 lists the specifications of the USB hub.
Table A-7. USB Hub Specifications
Characteristic | Specification |
|---|---|
Height | 0.875 in. (22.230 mm) |
Width | 4.25 in. (107.95 mm) |
Depth | 2.75 in. (69.85 mm) |
The L2 controller is housed in a sheet-metal box that is 1U high and is located at the top rear of the rack. Table A-8 lists the specifications of the L2 controller.
Table A-8. L2 Controller Specifications
Characteristic | Specification |
|---|---|
Height | 1.75 in. (44.45 mm) |
Width | 14.00 in. (355.60 mm) |
Depth | 6.50 in. (165.10 mm) |
Input power | +48 Vdc (~30 W) |
The power bay requires 3U of space within the rack and has the specifications that are listed in Table A-9.
Table A-9. Power Bay Module Specifications
Characteristic | Specification |
|---|---|
Height | 5.118 in. (130.000 mm) |
Width | 17.5 in. (443.0 mm) |
Depth | 23.898 in. (607.000 mm) |
Weight | 42.00 lb (19.05 kg) |
Table A-10 lists the specifications of the power supplies.
Table A-10. Power Supply Specifications
Characteristic | Specification |
|---|---|
Height | 4.86 in. (123.50 mm) |
Width | 2.74 in. (69.50 mm) |
Depth | 13.67 in. (347.30 mm) |
Weight | 7.50 lb (3.38 kg) |
The PCI expansion module is an optional device that provides an additional twelve PCI slots for the Onyx 300 system. For more information about the PCI expansion module, refer to the PCI Expansion Module User's Guide.
Table A-11 lists the specifications of the PCI expansion module.
Table A-11. PCI Expansion Specifications
Characteristic | Specification |
|---|---|
Height | 7.00 in. (177.80 mm) |
Width | 17.50 in. (444.50 mm) |
Depth | 27.50 in. (698.50 mm) |
Weight | 70.00 lb (31.50 kg) |
Input power | +48 Vdc (~250 W) |
The SGI TP900 storage module is a rackmountable, 2U-high, 8-drive storage system that provides JBOD (just a bunch of disks) storage for the Onyx 300 graphics system. For more information about the TP900 storage module, refer to the SGI Total Performance 900 Storage System User's Guide.
Table A-12 lists the specifications of the TP900 storage module.
Table A-12. TP900 Storage Module Specifications
Characteristic | Specification |
|---|---|
Height | 3.37 in. (85.70 mm) |
Width | 17.6 in. (447.0 mm) |
Depth | 21.46 in. (545.00 mm) |
Input power | 100 - 254 Vac (~175 W) |
Weight: Maximum configuration Empty enclosure |
48.5 lb (22.0 kg) 14.3 lb (6.5 kg) |