QUADRAM
QUADBOARD
Card Type | Multi-I/O card |
Chip Set | Unidentified |
Maximum Onboard Memory | 384KB DRAM |
I/O Options | Game port, parallel port, serial port |
Data Bus | 8-bit ISA |
Floppy drives supported | None |
CONNECTIONS | |||
Function | Label | Function | Label |
Serial port | CN1 | Game port | CN3 |
Parallel port | CN2 |
USER CONFIGURABLE SETTINGS | |||
Function | Label | Position | |
» | Game port enabled | SW1/1 | On |
Game port disabled | SW1/1 | Off | |
» | Clock/calendar enabled | SW1/2 | On |
Clock/calendar disabled | SW1/2 | Off | |
» | Parity enabled | SW1/3 | On |
Parity disabled | SW1/3 | Off | |
» | Quadboard memory enabled | SW1/4 | On |
Quadboard memory disabled | SW1/4 | Off |
DRAM CONFIGURATION | ||||||
Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 | Bank 4 | Bank 5 |
64KB | (9) 4164K | None | None | None | None | None |
128KB | (9) 4164K | (9) 4164K | None | None | None | None |
192KB | (9) 4164K | (9) 4164K | (9) 4164K | None | None | None |
256KB | (9) 4164K | (9) 4164K | (9) 4164K | (9) 4164K | None | None |
320KB | (9) 4164K | (9) 4164K | (9) 4164K | (9) 4164K | (9) 4164K | None |
384KB | (9) 4164K | (9) 4164K | (9) 4164K | (9) 4164K | (9) 4164K | (9) 4164K |
DRAM SWITCH CONFIGURATION | ||||
Size | SW1/5 | SW1/6 | SW1/7 | SW1/8 |
64KB | On | On | On | Off |
128KB | On | On | Off | On |
192KB | On | On | Off | Off |
256KB | On | Off | On | On |
320KB | On | Off | On | Off |
384KB | On | Off | Off | On |
448KB | On | Off | Off | Off |
512KB | Off | On | On | On |
576KB | Off | On | On | Off |
640KB | Off | On | Off | On |
704KB | Off | On | Off | Off |
768KB | Off | Off | On | On |
832KB | Off | Off | On | Off |
896KB | Off | Off | Off | On |
960KB | Off | Off | Off | Off |
PARALLEL PORT ADDRESS SELECTION | |
Setting | JP1 |
LPT1 (378h) | Pins 1 & 2 closed |
LPT2 (278h) | Pins 2 & 3 closed |
SERIAL PORT ADDRESS SELECTION | |
Setting | JP1 |
COM1 (3F8h) | Pins 5 & 6 closed |
COM2 (2F8h) | Pins 4 & 5 closed |
SERIAL PORT INTERRUPT SELECTION | |
IRQ | JP1 |
IRQ4 | Pins 7 & 8 closed |
IRQ3 | Pins 8 & 9 closed |