AMERICAN COMPUTER & PERIPHERAL INC.
ABOVEFUNCTION CARD
Card Type | Multi I/O card |
Chipset/Controller | Unidentified |
I/O Options | Game port, memory, parallel port, serial port |
Maximum DRAM | 2MB |

CONNECTIONS | |||
Purpose | Location | Purpose | Location |
Parallel port | CN1 | Game port | CN3 |
Serial port | CN2 | ||
FACTORY CONFIGURED SETTING | |
Switch | Setting |
SW1/4 | N/A |
GAME PORT | ||
Setting | SW1/2 | |
| » | Enabled | On |
Disabled | Off | |
REAL TIME CLOCK | ||||
Address/IRQ | SW1/3 | SW1/5 | SW1/6 | |
| » | 2C0h/None | On | Off | Off |
2C0h/IRQ2 | On | Off | On | |
2C0h/IRQ5 | On | On | Off | |
Disabled | Off | Off | Off | |
SERIAL PORT CONFIGURATION | |||||
COM/Address/IRQ | SW2/5 | SW2/6 | SW1/7 | SW1/8 | |
| » | COM1/3F8h/IRQ4 | On | On | On | Off |
COM1/3F8h/IRQ3 | On | On | Off | On | |
COM1/3F8h/None | On | On | Off | Off | |
COM2/2F8h/IRQ3 | Off | On | Off | On | |
COM2/2F8h/IRQ4 | Off | On | On | Off | |
COM2/2F8h/None | Off | On | Off | Off | |
Disabled | Off | Off | Off | Off | |
PARALLEL PORT CONFIGURATION | |||
LPT/Address | SW2/7 | SW2/8 | |
| » | LPT1/378h | On | On |
LPT2/278h | Off | On | |
Disabled | Off | Off | |
MEMORY ALLOCATION | ||
Setting | SW1/1 | |
| » | Fill conventional memory from 256KB to 640KB | On |
All Abovefunction memory assigned to expanded memory | Off | |
STARTING MEMORY ADDRESS | |||||
Address | SW2/1 | SW2/2 | SW2/3 | SW2/4 | |
| » | 258h | Off | On | Off | On |
268h | On | Off | Off | On | |
208h | On | On | On | On | |
218h | Off | On | On | On | |
2A8h | On | Off | On | Off | |
2B8h | Off | Off | On | Off | |
2E8h | On | Off | Off | Off | |
DRAM CONFIGURATION | ||||||||
Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 | Bank 4 | Bank 5 | Bank 6 | Bank 7 |
256KB | (9) 41256 | None | None | None | None | None | None | None |
512KB | (9) 41256 | (9) 41256 | None | None | None | None | None | None |
768KB | (9) 41256 | (9) 41256 | (9) 41256 | None | None | None | None | None |
1MB | (9) 41256 | (9) 41256 | (9) 41256 | (9) 41256 | None | None | None | None |
1.25MB | (9) 41256 | (9) 41256 | (9) 41256 | (9) 41256 | (9) 41256 | None | None | None |
1.5MB | (9) 41256 | (9) 41256 | (9) 41256 | (9) 41256 | (9) 41256 | (9) 41256 | None | None |
1.75MB | (9) 41256 | (9) 41256 | (9) 41256 | (9) 41256 | (9) 41256 | (9) 41256 | (9) 41256 | None |
2MB | (9) 41256 | (9) 41256 | (9) 41256 | (9) 41256 | (9) 41256 | (9) 41256 | (9) 41256 | (9) 41256 |
Note:Banks must be filled in numerical order. Partially filled banks will not function. The top chip of each row is the parity bit. | ||||||||