PC/AT MODEL 5170-239 Motherboard Settings and Configuration
IBM CORPORATION
PC/AT MODEL 5170-239
Processor | 80286 |
Processor Speed | 6MHz |
Chip Set | None |
Max. Onboard DRAM | 512KB |
Cache | None |
BIOS | IBM |
Dimensions | 355mm x 304mm |
I/O Options | None |
NPU Options | 80287 |
CONNECTIONS | |||
Purpose | Location | Purpose | Location |
Speaker | J19 | External battery | J21 |
Power LED & keylock | J20 | ||
USER CONFIGURABLE SETTINGS | |||
Function | Jumper/Switch | Position | |
| » | 14MHz adjust | C26 | N/A |
| » | Monitor type select color | SW1 | On |
| » | Monitor type select monochrome | SW1 | Off |
Note:Variable resistor C26 should not be altered except by competently trained technicians. | |||
DRAM CONFIGURATION | ||||
Size | Bank 0 | P-0 | Bank 1 | P-0 |
256KB | (16) ZA1250NL | (2) ZA1250NL | NONE | NONE |
512KB | (16) ZA1250NL | (2) ZA1250NL | (16) ZA1250NL | (2) ZA1250NL |
DRAM JUMPER CONFIGURATION | |
Size | J18 |
256KB | pins 1 & 2 closed |
512KB | pins 2 & 3 closed |
BIOS CONFIGURATION | |
Size | U131 |
2716 | pins 1 & 8, 2 & 7 closed |
2732 | pins 3 & 6, 4 & 5 closed |
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