SYSTEM 915P (II) Motherboard Settings and Configuration
ACER, INC.
SYSTEM 915P (II)
Processor | 80286 |
Processor Speed | 10/12/16/20MHz |
Chip Set | ALI |
Max. onboard DRAM | 5MB |
Cache | None |
BIOS | Acer |
Dimensions | 330mm x 218mm |
I/O Options | Floppy drive interface, IDE interface, parallel port, serial ports (2), Video port |
NPU Options | 80287 |
CONNECTIONS | |||
Purpose | Location | Purpose | Location |
Parallel port | CN1 | Video port | CN4 |
Serial port | CN2 | Floppy drive interface | CN5 |
Serial port | CN3 | IDE interface | CN6 |
USER CONFIGURABLE SETTINGS | |||
Function | Jumper | Position | |
| » | Disable main PCB video module connector | AJ1-AJ5 | pins 2 & 3 closed |
Enable main PCB video module connector | AJ1-AJ5 | pins 1 & 2 closed | |
| » | Keylock disabled | JP1 | Closed |
Keylock enabled | JP1 | Open | |
| » | Parity enabled | JP11 | pins 1 & 2 closed |
Parity disabled | JP11 | pins 2 & 3 closed | |
DRAM CONFIGURATION | ||||||
Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 | P0 | P1 |
512KB | (4) 44256 | NONE | NONE | NONE | (2) 41256 | NONE |
640KB | (4) 44256 | (4) 4464 | NONE | NONE | (2) 41256 | (2) 4164 |
1MB | (4) 44256 | (4) 44256 | NONE | NONE | (2) 41256 | (2) 41256 |
2MB | (4) 44256 | (4) 44256 | (2) 256K x 9 | (4) 256K x 9 | (2) 41256 | (2) 41256 |
5MB | (4) 44256 | (4) 44256 | (2) 1M x 9 | (2) 1M x 9 | (2) 41256 | (2) 41256 |
Note:Parity chips are required only when parity is enabled. | ||||||
VIDEO MODULE CONFIGURATION | ||||
Display | SW1/switch 1 | SW1/switch 2 | SW1/switch 3 | SW1/switch 4 |
Hercules | Off | Off | On | On |
CGA emulation | On | Off | On | On |
CGA | Off | On | On | On |
Disabled | Off | Off | Off | Off |
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