VAXstation 4000 Model 90

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VAXstation 4000 Model 90
Summary
Announcement date: 7 July 1992
Codename: Cougar
Descriptive name: VAXstation 4000 Model 90
OS support (VMS): VMS V5.5-2HW
CPU Details
CPU name (VMS): KA49
CPU name (console): K49-A
CPU module: KA49
Number of processors: 1
CPU chip: NVAX (DC246) [2]
CPU technology: CMOS-4
CPU cycle time: 14ns [1]
CPU clock: 71MHz [1]
Instruction-buffer: 16 bytes [2]
Translation-buffer: 96 entries
Cache: 2KB VIC [2]
Primary cache: 8KB physical [2]
Backup cache: 256KB [2]
Compatibility mode: No
Console processor: CPU
Console device: None
Memory
Minimum memory: 16MB [2]
Maximum memory: 128MB [2]
Physical address lines: 30
I/O
BUS SCSI: 1 (embedded) [2]
LAN support: 1 (embedded) (SGEC) [2]
Performance
SPECmarks: 32.7 [1]
SPECint89: 26.7 [1]
SPECfp89: 37.5 [1]


The VAXstation 4000 Model 90 system is a microprocessor VAX workstation using a motherboard with SIMM memory modules.

References

[1] Digital's VAXstation 4000 Performance Summary. Version 3.0 July 1992. EC-N0857-51
[2] VAXstation 4000 Model 90 Service Information. EK-KA490-SV.A01

External links