Difference between revisions of "MicroVAX 3500/3600"

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{{Infobox VAX
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{{InfoboxVAX-Data
 
| name = MicroVAX 3500/3600
 
| name = MicroVAX 3500/3600
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| codename = Mayfair
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| image = MicrVAX 3600.jpg
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| vups = 2.7
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| imgwidth = 200px
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| ram = 32 MB max
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| caption = A MicroVAX 3600
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| year introduced = September 1987
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| Announcement = 9 September 1987
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| operating system = VMS 4.7A or later
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| Codename = Mayfair
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| clock speed = 11.11MHz
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| OS-support-VMS = V4.7A or later
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| enclosure = BA213 (3500) or H9644 (3600)
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| OS-support-ULTRIX = ULTRIX V2.2
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| bus arch = QBus, DSSI (3600)
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| CPU-name-VMS = KA650
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| CPU-name-console = KA650-A
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| CPU-module = [[KA650 CPU|KA650]]
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| Module = M7620
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| Num-proc = 1
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| VMS-CPU = 10
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| VMS-XCPU = 1
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| SID = 0A000005
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| XSID = 01530101
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| CPU-chip = 78034 (CVAX) [[#ref_2|[2]]]
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| FPU-chip = 78132
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| CPU-technology = CMOS
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| CPU-cycle = 90ns [[#ref_2|[2]]]
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| Instruction-buffer = 12 bytes [[#ref_2|[2]]]
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| Translation-buffer = 28 entries [[#ref_2|[2]]]
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| Cache = 1KB (90ns) [[#ref_2|[2]]]
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| Backup-cache = 64KB (180ns) [[#ref_2|[2]]]
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| Compatibility-mode = No
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| Console-processor = CPU
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| Console-device = None
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| Firmware-version = V5.3
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| Minimum-memory = 2MB
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| Maximum-memory = 64MB
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| BUS-Qbus = 1 @ 3.3MB/s
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| LAN-support = optional
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| VUPs = 2.7 [[#ref_4|[4]]]
 
}}
 
}}
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[[Image:MicrVAX 3600.jpg|thumb|right|150px|A MicroVAX 3600]]
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The '''MicroVAX 3500''' and '''MicroVAX 3600''' are variants of the [[VAXserver 3500/3600]]. The MicroVAX 3500 and 3600 are very similar. The difference between  the 3500 and 3600 is the placement of the systems: the 3500 uses the [[BA213]] enclosure, whereas the 3600 uses the bare BA213 chassis housed in the [[H9644 cabinet]] with a similar, but modified door. Both models have the same a 12-slot [[backplane]].
  
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These machines are very similar, the only distinction appears to be the enclosure.
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They used the [[KA650 CPU]]; [[main memory]] used the [[KA650 Main Memory System]], using a special bus carried on [[over the back]] connectors as well as the [[CD interconnect]] of the [[QBUS]] [[backplane]]. The QBUS was used only for [[input/output|I/O]].  
  
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A while back I scanned all the documentation that [[user:Randomize|I]] got with my MicroVAX 3500 as none of it seemed to be on the internet. I have finally got around to uploading it [http://www.ext.zx.net.nz/computers/dec/microvax3500/docs here] in case its of any use to someone.
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==Documentation error==
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The [http://vtda.org/docs/computing/DEC/VMS/EK-O35AB-IS-002_MicroVAX_3600_VAXserver_3600_3602_Technical_Information_Jul1988.pdf MicroVAX 3600 VAXserver 3600/3602 Technical Information] manual says that both the 3500 and 3600 used the BA213 enclosure. (The [http://vtda.org/docs/computing/DEC/VMS/EK-O33AB-OM-002_MicroVAX_3600_VAXserver_3600_3602_Operation_Jul1988.pdf MicroVAX 3600 VAXserver 3600/3602 Operation] manual says that the 3600 is in the H9644 cabinet.)
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{{semi-stub}}
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== References ==
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<div id="ref_1">[1] Special Sales Update. Sep 1987. </div>
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<div id="ref_2">[2] "CVAX-based Systems", [[Digital Technical Journal]], Vol 1 No 7, August 1988. </div>
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<div id="ref_3">[3] VAX Systems Hardware Handbook -- VAXBI Systems. EB-31692-46</div>
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<div id="ref_4">[4] [http://www.vaxhaven.com/images/c/c6/EK-VAXCT-CG-006.pdf VAXcluster Systems - Guidelines for VAXcluster System Configurations] (EK-VAXCT-CG-006)</div>
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==External links==
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* [http://www.ext.zx.net.nz/computers/dec/microvax3500/docs MicroVAX 3500 documentation]
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** [http://www.ext.zx.net.nz/computers/dec/microvax3500/docs/EK-O28AB-OM-002.pdf MicroVAX 3500 VAXserver 3500 Operation] (EK-O28AB-OM-002)
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* [http://www.vaxhaven.com/images/1/1e/EK-O30AB-IS-002.pdf MicroVAX 3500 VAXserver 3500 Technical Information] (EK-O30AB-IS-002)
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* [http://vtda.org/docs/computing/DEC/VMS/EK-O33AB-OM-002_MicroVAX_3600_VAXserver_3600_3602_Operation_Jul1988.pdf MicroVAX 3600 VAXserver 3600/3602 Operation] (EK-O33AB-OM-002)
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* [http://vtda.org/docs/computing/DEC/VMS/EK-O35AB-IS-002_MicroVAX_3600_VAXserver_3600_3602_Technical_Information_Jul1988.pdf MicroVAX 3600 VAXserver 3600/3602 Technical Information] (EK-O35AB-IS-002)
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* [http://www.ext.zx.net.nz/computers/dec/microvax3500/ MicroVAX 3500]
  
 
{{Nav VAX}}
 
{{Nav VAX}}
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[[Category: DEC VAX systems]]
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[[Category: QBUS VAXen]]
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[[Category: DEC Documentation Errors]]

Latest revision as of 20:26, 10 March 2024


MicroVAX 3500/3600
MicrVAX 3600.jpg
A MicroVAX 3600
Summary
Announcement date: 9 September 1987
Codename: Mayfair
OS support (VMS): V4.7A or later
OS support (ULTRIX): ULTRIX V2.2
CPU Details
CPU name (VMS): KA650
CPU name (console): KA650-A
CPU module: KA650
Module: M7620
Number of processors: 1
VMS DCL CPU: 10
VMS DCL XCPU: 1
SID: 0A000005
XSID: 01530101
CPU chip: 78034 (CVAX) [2]
FPU chip: 78132
CPU technology: CMOS
CPU cycle time: 90ns [2]
Instruction-buffer: 12 bytes [2]
Translation-buffer: 28 entries [2]
Cache: 1KB (90ns) [2]
Backup cache: 64KB (180ns) [2]
Compatibility mode: No
Console processor: CPU
Console device: None
Firmware version: V5.3
Memory
Minimum memory: 2MB
Maximum memory: 64MB
I/O
Q-bus: 1 @ 3.3MB/s
LAN support: optional
Performance
VUPs: 2.7 [4]

The MicroVAX 3500 and MicroVAX 3600 are variants of the VAXserver 3500/3600. The MicroVAX 3500 and 3600 are very similar. The difference between the 3500 and 3600 is the placement of the systems: the 3500 uses the BA213 enclosure, whereas the 3600 uses the bare BA213 chassis housed in the H9644 cabinet with a similar, but modified door. Both models have the same a 12-slot backplane.

They used the KA650 CPU; main memory used the KA650 Main Memory System, using a special bus carried on over the back connectors as well as the CD interconnect of the QBUS backplane. The QBUS was used only for I/O.

Documentation error

The MicroVAX 3600 VAXserver 3600/3602 Technical Information manual says that both the 3500 and 3600 used the BA213 enclosure. (The MicroVAX 3600 VAXserver 3600/3602 Operation manual says that the 3600 is in the H9644 cabinet.)

References

[1] Special Sales Update. Sep 1987.
[2] "CVAX-based Systems", Digital Technical Journal, Vol 1 No 7, August 1988.
[3] VAX Systems Hardware Handbook -- VAXBI Systems. EB-31692-46

External links


v • d • e VAX Computers and Operating Systems
VAX-11/7xx (including VAX 86x0) - VAX-11/780 • VAX-11/785 • VAX-11/750 • VAX-11/730 • VAX 8600 • VAX 8650

VAX 8000 series (excluding VAX 86x0) - VAX 82xx/83xx series • VAX 85x0/8700/88xx series

MicroVAXen (many types also come in VAXserver and VAXstation models) - MicroVAX I • MicroVAX II
MicroVAX 2000 • MicroVAX 3100 • MicroVAX 3300/3400 • MicroVAX 3500/3600 • MicroVAX 3800/3900

VAXstation Series - VAXstation I • VAXstation II
VAXstation 3100 • VAXstation 3200/3500 • VAXstation 3520/3540 • VAXstation 8000

Late Model VAXen - VAX 4000 series • VAX 6000 series • VAX 7000 series • VAX 9000 series • VAX 10000 series

Special Purpose VAXen - VAXft series • rtVAX series • Infoserver series

Clones - CM 1700 • TPA-11/580

Operating Systems: VMS • VAXELN • ULTRIX • BSD UNIX

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