VAX 4000 Model 505A

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VAX 4000 Model 505A
Summary
Announcement date: 15 August 1994
Descriptive name: VAX 4000 Model 505A
OS support (VMS): V5.5-2H4, VMS V6.1 or later
OS support (MDM): Release 139 [2]
CPU Details
CPU module: KA691 [2]
Module: L4005-AA [2]
Number of processors: 1
CPU technology: CMOS-4
CPU cycle time: 12ns
CPU clock: 333MHz [2]
Instruction-buffer: 16 bytes [2]
Translation-buffer: 96 entries [2]
Cache: 2KB VIC
Primary cache: 8KB physical
Backup cache: 512KB (36ns) [2]
Compatibility mode: No
Console processor: CPU
Console device: None
Memory
Minimum memory: 32MB
Maximum memory: 512MB [3]
I/O
Q-bus: 1 @ 3.3MB/s
BUS-DSSI: 2-4 (SHAC) [3]
LAN support: 1 (SGEC - embedded) [4]
Performance
TPC-A: 185 [1]

The VAX 4000 Model 505A was one of the VAX 4000 series.

References

[1] Customer Update. Volume 5 Issue 8B. 15th August 1994.
[2] VAX 4000 Model 500A/505A/600A/700A/705A Technical Information. EK-496AB-TI-B01
[3] KA681/KA691/KA692/KA694 CPU System Maintenance. EK-498AB-MG.001
[4] KA680 CPU Technical Manual. EK-KA680-TM-001