VAX 4000 Model 500A
From Computer History Wiki
VAX 4000 Model 500A systems
| VAX 4000 Model 500A | |
| Summary | |
|---|---|
| Descriptive name: | VAX 4000 Model 500A |
| OS support (VMS): | V5.5-2H4, VMS V6.1 or later |
| OS support (MDM): | Release 139 [1] |
| CPU Details | |
| CPU module: | KA681-AA |
| Module: | L4005-BA |
| Number of processors: | 1 |
| VMS DCL CPU: | 19 |
| VMS DCL XCPU: | 5 |
| SID: | 13000202 |
| XSID: | 05230E01 |
| CPU technology: | CMOS-4 |
| CPU cycle time: | 14ns |
| CPU clock: | 286MHz [1] |
| Instruction-buffer: | 16 bytes [1] |
| Translation-buffer: | 96 entries [1] |
| Cache: | 2KB VIC |
| Primary cache: | 8KB physical |
| Backup cache: | 128KB (56ns) [1] |
| Compatibility mode: | No |
| Console processor: | CPU |
| Console device: | None |
| Memory | |
| Minimum memory: | 32MB [2] |
| Maximum memory: | 512MB [2] |
| I/O | |
| Q-bus: | 1 @ 3.3MB/s |
| BUS-DSSI: | 2-4 (SHAC) [2] |
| LAN support: | 1 (SGEC - embedded) [3] |
| Performance | |
| TPC-A: | 116 |
References
[1] VAX 4000 Model 500A/505A/600A/700A/705A Technical Information. EK-496AB-TI-B01
[2] KA681/KA691/KA692/KA694 CPU System Maintenance. EK-498AB-MG.001
[3] KA680 CPU Technical Manual. EK-KA680-TM-001
[4] Customer Update. Volume 5 Issue 8B. 15th August 1994.
