VAX 8600

VAX 8600
Summary
Announcement date:	31 October 1984
FRS date:	March 1985
Codename:	Venus
OS support (VMS):	V4.0
CPU Details
CPU module:	KA86
Number of processors:	1
VMS DCL CPU:	4
VMS DCL XCPU:	0
SID:	0408F3FE
XSID:	00000000
CPU technology:	ECL Gate Array
CPU cycle time:	80ns
CPU clock:	12.5MHz
Instruction-buffer:	8 bytes [1]
Translation-buffer:	512 entries [1]
Gate delay:	1ns
Writable Control Store:	8K 86-bit words [1]
Cache:	16KB [1]
Compatibility mode:	Yes
Console processor:	T-11 [1]
Console device:	RL02 [1]
Memory
Minimum memory:	4MB
Maximum memory:	368MB
Memory checking:	7-bit ECC/longword [1]
I/O
Max I/O throughput:	20MB/s
MASSBUS:	4 @ 2.0MB/s
UNIBUS:	7 @ 1.5MB/s
LAN support:	optional
Performance
VUPs:	4.2

The VAX 8600 was DEC's second-generation VAX, intended as the replacement for the VAX-11/780. It was intended to offer several times the performance of the 11/780, at roughly the same price. It could be field-upgraded to a VAX 8650.

References

• [1] VAX Hardware Handbook Volume 1 - 1986.

External links

• 8600 - documentation at Bitsavers
• VAX Hardware Handbook Volume 1 - the VAX 8600 is described on pages 1-23–1-28 (pp. 38-43 of the PDF) and covered in detail in Chapter 7 (pp. 210-228)
• VAX 8600 Processor, DTJ Number 1, August 1985
• VAX 8600/8650 SBIA Technical Description (EK-DB86X-TD-002)