VAX-11/751
From Computer History Wiki
Revision as of 14:19, 29 March 2023 by Jnc (talk | contribs) (Jnc moved page VAX-11/750 and VAX-11/751 to VAX-11/751 without leaving a redirect)
VAX-11/750 and VAX-11/751 systems
VAX-11/750 and VAX-11/751 | |
Summary | |
---|---|
Announcement date: | 1980 |
FRS date: | October 1980 |
Codename: | Comet |
Descriptive name: | VAX-11/750 and VAX-11/751 |
OS support (VMS): | VMS V2.0 |
CPU Details | |
CPU name (VMS): | KA750 |
CPU name (console): | None [1] |
Number of processors: | 1 |
VMS DCL CPU: | 2 |
VMS DCL XCPU: | 0 |
SID: | 02006878 |
XSID: | 0 |
CPU cycle time: | 320ns |
Instruction-buffer: | 8 bytes [2] |
Translation-buffer: | 512 entries [2] |
Control store: | 6K 80-bit words [2] |
Writable Control Store: | 1K 80-bit words [2] |
Cache: | 4KB [2] |
Compatibility mode: | Yes [2] |
Console processor: | CPU |
Console device: | TU58 [2] |
Memory | |
Minimum memory: | 1MB [2] |
Maximum memory: | 14MB |
Physical address lines: | 24 |
Memory checking: | 7-bit ECC/longword [2] |
I/O | |
Max I/O throughput: | 5.0MB/s |
MASSBUS: | 3@ 2.0MB/s |
UNIBUS: | 1 @ 1.5MB/s |
LAN support: | optional |
Performance | |
VUPs: | 0.6 |
References
[1] CPU Upgrade Guide. Spring-Summer 1992.
[2] VAX Hardware Handbook Volume 1 - 1986.
[3] Systems & Options Catalog. European Edition. Spring 1990.