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VAX 8600 system

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The VAX 8600, shown here during assembly, offered up to 4.2 times the performance of the industry standard VAX-11/780 and increased I/O capacity, while maintaining I/O subsystem compatibility with the VAX-11/780 and the 11/785 Synchronous Backplane Interconnect (SBI). The VAX 8600 was the first VAX implementation in ECL technology and the first to include macropipelining.  

 

VAX 8600 specifications

Relative Performance x VAX-11/780 (1 MIP) 4.2
Technology ECL Gate Array
Maximum Memory Support 256 MB
Type ECC
Mass Storage Capacity
Max. Local 4 Port Disk Controllers 8
Maximum Local Disk Capacity 20 GB
VAXcluster I/O Servers Up to 15
I/O Bus Capacity
I/O Throughput 20.0 MB/s
Bus Type 7 UNIBUS
4 MASSBUS
Communications
LAN Support Optional
Ethernet Adapters Up to 2
Max. Communications Lines (async) 96
Expansion
VAXcluster System Support Optional
Local Area VAXcluster Support Optional
CPU Upgrade Kit Upgrade to 8650
System Software
  VMS
ULTRIX-32
Processor Features
Floating Point Accelerator Optional
Floating Point Data Types F, D, G, H
User Control Store Standard
Cache Size 16 KB
Cache Access Time 80 ns

 
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