IBM CORPORATION
PS/2 MODEL 80 (8580-A21, A31)
Processor |
80386DX |
Processor Speed |
16/20/25MHz |
Chip Set |
None |
Max. Onboard DRAM |
8MB |
Cache |
None |
BIOS |
IBM |
Dimensions |
355mm x 254mm |
I/O Options |
Serial port, parallel port, pointing device connector, display connector, video adapter slot, floppy drive connector |
NPU Options |
80387 |
CONNECTIONS | |||
Purpose |
Location |
Purpose |
Location |
Power supply |
J1 |
Serial port |
J6 |
Floppy drive |
J2 |
Parallel port |
J7 |
Battery/speaker |
J3 |
Pointing device |
J8 |
Video adapter slot |
J4 |
Keyboard |
J9 |
VGA port |
J5 |
DRAM CONFIGURATION | ||
Size |
Bank 0 |
Bank 1 |
1MB |
(1) 256K x 36 |
NONE |
2MB |
(1) 256K x 36 |
(1) 256K x 36 |
4MB |
(1) 1M x 36 |
NONE |
8MB |
(1) 1M x 36 |
(1) 1M x 36 |
Note:SIMMs are a proprietary IBM design, standard 36-bit SIMMs can not be used. |