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The MicroVAX 3100 Model 90 and VAX
4000 Model 100 systems were designed to
meet the growing demand for low-cost, high-performance desktop servers
and
timesharing systems. Both systems are based on the NVAX CPU chip
and a set
of VLSI support chips, which provide outstanding CPU and I/O performance.
Housed in like desktop enclosures, the two systems provide 24 times
the CPU
performance of the original VAX-11/780 computer. With over 2.5 gigabytes
of disk storage and 128 megabytes of main memory, the complete base
system
fits in less than one cubic foot of space.
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VAX 4000 Model 100 Specifications
| Performance |
51 TPS |
Relative Performance x VAX-11/780
(1 MIP) |
24 |
| Number of Processors |
1 |
| CPU Clock Speed |
72 MHz |
| Cache Size |
8 KB on chip, 128 KB on board |
| In-Cabinet CPU Upgrade |
N/A |
| Alpha Ready System Upgrade |
Upgrades to Alpha Desktop System |
| Maximum Memory Capacity |
128 MB |
| Maximum Disk Capacity |
28 GB |
| Maximum I/O Throughput |
8.5 MB/s |
| I/O Support |
3 DSSI (1 embedded, 2 Q-bus)
1 Q-bus, 1 SCSI
3 Ethernet |
| VAXcluster System Support |
Ethernet, DSSI |
| High Availability Features Supported |
Disk Shadowing, online hardware/software service upgrade |
| System Software |
OpenVMS |
| Network Application Support Software |
NAS 200, 300, 400 |
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