Difference between revisions of "MicroVAX 3800/3900"
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The '''MicroVAX 3800''' and '''MicroVAX 3900''' are very similar, the only distinction being the enclosure and accompanying [[disk drive]]s. The MicroVAX 3900 includes an [[RA90]]. | The '''MicroVAX 3800''' and '''MicroVAX 3900''' are very similar, the only distinction being the enclosure and accompanying [[disk drive]]s. The MicroVAX 3900 includes an [[RA90]]. | ||
| − | The MicroVAX 3900 is the original model of VAX emulated by [[SIMH]]. (It now also emulates a [[VAX 780]].) It can run [[4.3 BSD]], VMS 5.1-1 to 7.3, and [[NetBSD]]. | + | The MicroVAX 3900 is the original model of [[VAX]] emulated by [[SIMH]]. (It now also emulates a [[VAX 780]].) It can run [[4.3 BSD]], VMS 5.1-1 to 7.3, and [[NetBSD]]. |
== References == | == References == | ||
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<div id="ref_3">[3] VAX Systems Performance Summary Featuring VAX 6000 Model 500. EC-N0377-46</div> | <div id="ref_3">[3] VAX Systems Performance Summary Featuring VAX 6000 Model 500. EC-N0377-46</div> | ||
| − | {{stub}} | + | {{semi-stub}} |
{{Nav VAX}} | {{Nav VAX}} | ||
Revision as of 01:25, 20 October 2018
| MicroVAX 3800/3900 | |
| Summary | |
|---|---|
| Announcement date: | 10 April 1989 |
| Codename: | Mayfair III |
| OS support (VMS): | V5.1 |
| CPU Details | |
| CPU name (VMS): | KA655 |
| CPU name (console): | KA655 |
| CPU module: | KA655 |
| Module: | M7625 |
| Number of processors: | 1 |
| VMS DCL CPU: | 10 |
| VMS DCL XCPU: | 1 |
| SID: | 0A000005 |
| XSID: | 01530301 |
| CPU chip: | CVAX |
| FPU chip: | CFPA [1] |
| CPU technology: | CMOS |
| CPU cycle time: | 60ns [1] |
| CPU clock: | 33MHz [1] |
| Instruction-buffer: | 12 bytes [1] |
| Translation-buffer: | 28 entries [1] |
| Cache: | 1KB [1] |
| Backup cache: | 64KB (120ns) [1] |
| Compatibility mode: | No |
| Console processor: | CPU |
| Console device: | None |
| Firmware version: | V5.3 |
| Memory | |
| Minimum memory: | 16MB |
| Maximum memory: | 64MB |
| Memory checking: | 7-bit ECC/longword [1] |
| I/O | |
| Q-bus: | 1 @ 3.3MB/s |
| LAN support: | optional |
| Performance | |
| VUPs: | 3.8 [2] |
| SPECmarks: | 4.0 |
The MicroVAX 3800 and MicroVAX 3900 are very similar, the only distinction being the enclosure and accompanying disk drives. The MicroVAX 3900 includes an RA90.
The MicroVAX 3900 is the original model of VAX emulated by SIMH. (It now also emulates a VAX 780.) It can run 4.3 BSD, VMS 5.1-1 to 7.3, and NetBSD.
References
| v • d • e VAX Computers and Operating Systems |
|---|
| VAX-11/7xx (including VAX 86x0) - VAX-11/780 • VAX-11/785 • VAX-11/750 • VAX-11/730 • VAX 8600 • VAX 8650
VAX 8000 series (excluding VAX 86x0, above) - VAX 82xx/83xx series • VAX 85xx/87xx/88xx series MicroVAXen (many types also come in VAXserver and VAXstation models) - MicroVAX I • MicroVAX II VAXstation Series - VAXstation I • VAXstation II Late Model VAXen - VAX 4000 series • VAX 6000 series • VAX 7000 series • VAX 9000 series • VAX 10000 series |
| Special Purpose VAXen - VAXft series • rtVAX series • Infoserver series
Clones - CM 1700 • TPA-11/580 |
