| Relative Performance x VAX-11/780 (1 MIP) |
3.8 |
| Technology |
CMOS |
| Number of Processors |
1 |
| Max. Vector Processors Supported |
N/A |
| Max. Memory Support |
64 MB |
| Memory Type |
ECC |
| Mass-storage Capacity |
| Max. Local Disk Capacity (formatted) |
MV 3800: 2.4 GB
MV 3900: 9.7 GB |
| VAXcluster I/O Servers |
N/A |
| I/O Bus Capacity |
| Max I/O Throughput |
3.3 MB/s |
| Bus Type |
1 Q-bus
1 DSSI bus |
| Communications |
| LAN Support |
Standard |
| Ethernet Adapters |
Up to 2 |
| Expansion |
| CI VAXcluster System Support |
N/A |
| Ethernet VAXcluster Support |
Optional |
| CPU Upgrade Kit |
N/A |
| System Software |
VMS, ULTRIX, VAXELN |
| Processor Features |
| Floating Point Accelerator |
Standard |
| Floating Point Data Types |
F, D, G, H |
| Cache Size |
1 KB on chip
64 KB on board |
| Cache Cycle Time |
60 ns on chip
120 on board |
| Cache Cycle Time |
100 ns on chip |
The MicroVAX 3800 and 3900 were introduced in 1989, based on the CVAX+ chip manufactured in 1.5-micrometer CMOS technology.