PS/2 MODEL 25 TYPE 1 Motherboard Settings and Configuration
IBM CORPORATION
PS/2 MODEL 25 TYPE 1
Processor | 8086 |
Processor Speed | 8MHz |
Chip Set | None |
Max. Onboard DRAM | 640KB |
Cache | None |
BIOS | IBM |
Dimensions | 355mm x 304mm |
I/O Options | Serial port, parallel port, pointing device connector, video port, IDE interface, floppy drive interface, earphone connector |
NPU Options | 8087 |
CONNECTIONS | |||
Purpose | Location | Purpose | Location |
Pointing device | J1 | Fan | J8 |
Keyboard | J2 | Keylock | J10 |
Parallel port | J3 | IDE interface | J11 |
Video port | J4 | Floppy drive interface | J12 |
Serial port | J5 | Earphone connector | J13 |
Riser card | J6 | ||
DRAM CONFIGURATION | |||
Size | Bank 0 | Bank 1 | Parity (P-1) |
512KB | (2) 256K x 9 | NONE | NONE |
640KB | (2) 256K x 9 | (4) 4464 | (2) 4164 |
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