MicroVAX 3500/3600

MicroVAX 3500/3600
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]

A MicroVAX 3600

The MicroVAX 3500 and MicroVAX 3600 are very similar; the only distinction appears to be the enclosure: the 3500 was available in the BA213, and the 3600 in the H9644 cabinet.

They used the KA650 CPU of the MicroVAX III. Main memory was 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 for I/O.

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

[4] VAXcluster Systems. Guidelines for VAXCluster System Configurations. EK-VAXCT-CG-006

External links

• MicroVAX 3500 documentation
  • MicroVAX 3500 VAXserver 3500 Operation (EK-O28AB-OM-002)
• MicroVAX 3500 VAXserver 3500 Technical Information (EK-O30AB-IS-002)
• MicroVAX 3600 VAXserver 3600/3602 Operation (EK-O33AB-OM-002)
• MicroVAX 3600 VAXserver 3600/3602 Technical Information (EK-O35AB-IS-002)
• MicroVAX 3500