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 |