Difference between revisions of "VAX-11/782"
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| − | The '''VAX-11/782''' was an early asymmetric [[multi-processor|dual processor]] [[VAX]]; it had two [[ | + | The '''VAX-11/782''' was an early asymmetric [[multi-processor|dual processor]] [[VAX]]; it had two [[KA780 CPU|KA780]] [[Central Processing Unit|CPUs]] connected to up to four [[MA780 Multiport Memory Option|MA780]] [[multi-port memory]] units (up to 2 Mbytes of [[main memory]] each). All I/O [[peripheral]]s were attached to the 'master' CPU. |
== References == | == References == | ||
Revision as of 12:53, 14 January 2022
| VAX-11/782 | |
| Summary | |
|---|---|
| Codename: | Atlas |
| OS support (VMS): | to VMS 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.
