VAX-11/782
From Computer History Wiki
| VAX-11/782 | |
| Summary | |
|---|---|
| Codename: | Atlas |
| OS support (VMS): | VMS 3.0 to V4.7 |
| CPU Details | |
| Number of processors: | 2 |
| CPU technology: | Bipolar Schottky |
| CPU cycle time: | 200ns |
| Instruction-buffer: | 8 bytes [1] |
| Translation-buffer: | 128 entries [1] |
| Control store: | 4K 99-bit words [1] |
| Gate delay: | 3ns |
| User Writable Control Store: | 2K 99-bit words [1] |
| Cache: | 8KB [1] |
| Compatibility mode: | Yes |
| Console processor: | LSI-11 [1] |
| Console device: | RX01 [1] |
| Memory | |
| Physical address lines: | 30 |
| Memory checking: | 8-bit ECC/longword [1] |
| I/O | |
| Max I/O throughput: | 11MB/s |
| LAN support: | optional |
| Performance | |
| VUPs: | 1.8 |
The VAX-11/782 was an early asymmetric dual processor VAX; it had two KA780 CPUs connected to up to four MA780 multi-port memory units (up to 2 Mbytes of main memory each). All I/O peripherals were attached to the 'master' CPU.
References
[1] VAX Hardware Handbook Volume 1 - 1986.
