This document (dated 2/20/96) hails from http://www.sgi.com/Products/hardware/Onyx/Tech/onyx_genspecs.html
-- always reference the above link, for the most current, up-to-date
version of this page.
| System Bus | |
| Bandwidth | 1.2GB/sec, parity protected (sustained) |
| Size | 256-bit wide data path, 40-bit wide physical address path |
| High-Speed I/O Subsystem | |
| Bus. Type | SGI HIO bus |
| Bandwidth | 320MB/sec per HIO bus |
| No. of Buses | 1 to 4 |
| No. of Slots | 1 to 8 |
| Industry-Standard I/O Subsystem | |
| Bus Type | VME64 bus |
| Bandwidth | 50MB/sec per VME64 bus |
| No. of Buses | 1 to 5 |
| No. of Slots | 3 to 24 |
| Mass Storage | |
| Interfaces | Up to 32 SCSI-2 channels |
| Protocols | SCSI-2, Fast/Wide, single-ended or differential |
| Max. Bandwidth | 20MB/sec per channel |
| Device Capacity | 2GB or 4.3GB, formatted |
| Removable Media | |
| SCSI Devices | CD-ROM, DAT, 8mm tape drive, 1/4" cartridge tape |
| Communications | |
| Integrated Serial I/O | Up to 16 serial ports Ethernet, SCSI-2 |
| Integrated Parallel I/O | Up to 4 parallel ports |
| VME Controllers | Ethernet, FDDI |
| SGI HIO Controllers | FDDI, HiPPI, SCSI-2, ATM, Audio/Serial Option |
| Dimensions and Weights | |
| Rack Chassis | |
| Dimensions | Height: 62.3" Width: 27" Depth: 48" |
| Net Weight | 400 lbs (181 kg) |
| Deskside Chassis | |
| Dimensions | Height: 25.2" Width: 20.5" Depth: 32" |
| Net Weight | 160 lbs (72.6 kg) |
| Environmental (Non-operating) | |
| Temperature | -20 to +60 C |
| Humidity | 10% to 95% non-condensing |
| Altitude | 40,000 MSL (Mean sea level, feet) |
| Environmental (Operating) | |
| Temperature | +5 to +35 C |
| Humidity | 10% to 80% non-condensing |
| Altitude | 10,000 MSL |
| Noise | 65 dBA |
| Electrical and Power | |
| Voltage-Deskside | 110-230 VAC 1 Phase (110V RealityEngine² only) |
| Voltage-Rack | 208-230 VAC 1 Phase |
| Voltage-Rack | 208 VAC 3 Phase U.S. |
| Voltage-Rack | 400 VAC 3 Phase Europe |
| Frequency | 50/60Hz |
| Electrical Service and Type | |
| Deskside | 120 VAC @ 20A (1 Phase) Type NEMA5-20R (RealityEngine² only) |
| Deskside | 208 VAC @ 20A (1 Phase) Type NEMA6-20R |
| Deskside | 230 VAC @ 16A (1 Phase) Type dependent on country |
| Rack | 208 VAC @ 30A (1 Phase) Type L6-30R |
| Rack | 230 VAC @ 32A (1 Phase) Type dependent on country |
| Rack* | 208 VAC @ 30A (3 Phase, 4 wire) Type NEMA L15-30R |
| Rack* | 400 VAC @ 32A (3 Phase, 5 wire) Type IEC 309 |
# Entry-level version
* With graphics or VME expansion cage
** Preliminary
*** 4MB available in subsequent release