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 |