Difference between revisions of "VAX 8250"

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== VAX 8250 systems ==
 
 
 
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| name = VAX 8250
 
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* [http://www.bitsavers.org/pdf/dec/vax/8200/KA825MA1.TXT KA825 Maintenance Advisory] (EK-KA825-MA-001)
 
* [http://www.bitsavers.org/pdf/dec/vax/8200/KA825MA1.TXT KA825 Maintenance Advisory] (EK-KA825-MA-001)
 
* [https://manx-docs.org/collections/antonio/dec/83xupin1.pdf VAX 8200 to VAX 8350 and VAX 8250 to VAX 8350 Upgrade Procedures] (EK-83XUP-IN-001)
 
* [https://manx-docs.org/collections/antonio/dec/83xupin1.pdf VAX 8200 to VAX 8350 and VAX 8250 to VAX 8350 Upgrade Procedures] (EK-83XUP-IN-001)
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{{Nav VAX}}
  
 
[[Category: DEC VAX systems]]
 
[[Category: DEC VAX systems]]

Revision as of 18:57, 26 March 2023


VAX 8250
Summary
Announcement date: 2 March 1987
Codename: Sargas
OS support (VMS): VMS V4.5
OS support (ULTRIX): ULTRIX V2.0 [1]
CPU Details
CPU name (VMS): KA825
CPU name (console): None
CPU module: KA825
Module: T1001-YA
Number of processors: 1
VMS DCL CPU: 5
VMS DCL XCPU: 0
SID: 05903914
XSID: 00000000
CPU chip: V11 [1]
CPU technology: ZMOS
CPU cycle time: 160ns
CPU clock: 50MHz [1]
Instruction-buffer: 8 bytes [2]
Translation-buffer: 512 entries
Control store: 15K 40-bit words [2]
Writable Control Store: 1K 40-bit words [2]
Cache: 8KB (160ns) [2]
Compatibility mode: No
Console processor: CPU
Console device: None
Memory
Minimum memory: 4MB
Maximum memory: 128MB [2]
Memory checking: 7-bit ECC/longword [2]
I/O
Max I/O throughput: 13.3MB/s [2]
UNIBUS: 1 @ 1.5MB/s
VAXBI: 1 @ 13.3MB/s
LAN support: optional
Performance
VUPs: 1.2 [2]


The VAX 8250 is an improved version of the VAX 8200 mid-range VAX uni-processor system built around the VAXBI bus; it has the improved KA825 CPU in place of the KA820 CPU of the VAX 8200.

References

[1] KA825 Maintenance Advisory. EK-KA825-MA-001
[2] VAX Systems Hardware Handbook -- VAXBI Systems. EB-31692-46

External links