Difference between revisions of "VAXstation II"

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== VAXstation II systems ==
 
 
 
{{InfoboxVAX-Data
 
{{InfoboxVAX-Data
 
| name = VAXstation II
 
| name = VAXstation II
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| Codename = Caylith
 
| Codename = Caylith
 
| OS-support-VMS = MicroVMS V4.1
 
| OS-support-VMS = MicroVMS V4.1
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| Enclosure = [[BA23 Enclosure|BA23]] (II) <br> [[BA123 Enclosure|BA123]] (II/GPX)
 
| CPU-name-VMS = KA630
 
| CPU-name-VMS = KA630
 
| CPU-name-console = KA630-A
 
| CPU-name-console = KA630-A
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}}
 
}}
  
== References ==
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The '''VAXstation II''' was a follow-on early [[VAX]] [[workstation]]. It uses a special bus carried on [[over the back]] connectors as well as the [[CD interconnect]] as its [[main memory]] bus (the [[address space]] of the [[QBUS]] was limited to 4MB, and the data section is only 16 bits wide); and the QBUS only for its [[input/output|I/O]] [[bus]]. Its [[Central Processing Unit|CPU]] was the [[MicroVAX II]]; the [[VCB01 Video Controller]] provided its [[bit-mapped display]].
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Further development led to the '''VAXstation II/GPX''', which used the same CPU, but the newer [[VCB02 Video Controller]], which allowed for color and offloaded the CPU from graphics processing.
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{{semi-stub}}
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==References==
  
 
  <div id="ref_1">[1] VAXstation II Technical Manual, BA123 Enclosure. AZ-GMZAB-MN</div>
 
  <div id="ref_1">[1] VAXstation II Technical Manual, BA123 Enclosure. AZ-GMZAB-MN</div>
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==See also==
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* [[VAXstation I]]
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==External links==
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* [http://www.bitsavers.org/pdf/dec/vax/620/ VAX 620] - documentation at [[Bitsavers]]
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** [http://www.bitsavers.org/pdf/dec/vax/630/AZ-GLFAB-MN_VAXstation_II_Technical_Manual_BA23_Enclosure_Oct85.pdf VAXstation II Technical Manual, BA23 Enclosure]
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** [https://manx-docs.org/collections/antonio/dec/105aaow1.pdf VAXstation II/GPX Owner's Manual, BA123 Enclosure]
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{{Nav VAX}}
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[[Category: VAXstations]]

Latest revision as of 16:59, 15 January 2024


VAXstation II
Summary
Announcement date: 24 January 1986
Codename: Caylith
OS support (VMS): MicroVMS V4.1
Enclosure(s): BA23 (II)
BA123 (II/GPX)
CPU Details
CPU name (VMS): KA630
CPU name (console): KA630-A
CPU module: KA630
Module: M7606 [1]
Number of processors: 1
VMS DCL CPU: 8
VMS DCL XCPU: 1
SID: 08000000
XSID: 01010000
CPU chip: 78032
FPU chip: 78132
CPU technology: ZMOS
CPU cycle time: 200ns
CPU clock: 40MHz
Instruction-buffer: 8 bytes
Cache: None
Compatibility mode: No
Console processor: CPU
Console device: None
Memory
Minimum memory: 2MB [1]
Maximum memory: 16MB
Physical address lines: 30
On-board memory: 1MB [1]
I/O
Max I/O throughput: 3.3MB/s
Q-bus: 1 @ 3.3MB/s
LAN support: optional [1]
Performance
VUPs: 0.9


The VAXstation II was a follow-on early VAX workstation. It uses a special bus carried on over the back connectors as well as the CD interconnect as its main memory bus (the address space of the QBUS was limited to 4MB, and the data section is only 16 bits wide); and the QBUS only for its I/O bus. Its CPU was the MicroVAX II; the VCB01 Video Controller provided its bit-mapped display.

Further development led to the VAXstation II/GPX, which used the same CPU, but the newer VCB02 Video Controller, which allowed for color and offloaded the CPU from graphics processing.

References

[1] VAXstation II Technical Manual, BA123 Enclosure. AZ-GMZAB-MN

See also

External links