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Articles / TULARC / PC info / I/O Cards / C-D / |  |
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RS-232C ADAPTER IO card Settings and Configuration |
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DIAMOND FLOWER, INC.
RS-232C ADAPTER
|
Card Type |
Serial interface |
|
Chipset Controller |
Unidentified |
|
I/O Options |
Serial ports (2) |
|
Maximum Dram |
N/A |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
Serial port 1 |
J1 |
Serial port 2 |
J2 |
|
INTERRUPT SELECTION | |||||
|
Port 1 |
Port 2 |
SW1/5 |
SW1/6 |
SW1/7 |
SW1/8 |
|
IRQ4 |
IRQ3 |
On |
Off |
Off |
On |
|
IRQ3 |
IRQ4 |
Off |
On |
On |
Off |
|
Disabled |
Disabled |
Off |
Off |
Off |
Off |
|
ADDRESS SELECTION | |||||
|
Port 1 |
Port 2 |
SW1/1 |
SW1/2 |
SW1/3 |
SW1/4 |
|
3F8 (COM1:) |
2F8 (COM2:) |
On |
Off |
On |
Off |
|
3F8 (COM1:) |
2E8 (COM4:) |
On |
Off |
Off |
On |
|
3E8 (COM3:) |
2F8 (COM2:) |
Off |
On |
On |
Off |
|
3E8 (COM3:) |
2E8 (COM4:) |
Off |
On |
Off |
On |
|
Disabled |
Disabled |
Off |
Off |
Off |
Off |
|
CHIP INSTALLATION | |
|
Chip |
Location |
|
8250 |
IC4 |
|
1488 |
IC2 (location unidentified) |
|
1489 |
U9 (location unidentified) |
|
Note: These chips must be installed for the second serial port to be enabled. | |
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