DIAMOND FLOWER, INC.
MU-440
|
Card Type |
Serial controller |
|
Chipset/Controller |
Unidentified UART |
|
I/O Options |
Serial I/O ports (4) |
|
Maximum DRAM |
N/A |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
Serial port 3 |
J1 |
Serial port 2 |
J3 |
|
Serial port 4 |
J2 |
Serial port 1 |
J4 |
|
COMPATIBLE MODE ADDRESS SELECT | ||||||
|
Port 1 (J4) |
Port 2 (J3) |
Port 3 (J1) |
Port 4 (J2) |
SW1/1 |
SW1/2 |
SW1/3 |
|
3F8h |
2F8h |
3E0h |
3E8h |
Off |
Off |
Off |
|
3F8h |
2F8h |
2B0h |
2B8h |
On |
Off |
Off |
|
3F8h |
2F8h |
1B0h |
1B8h |
Off |
On |
Off |
|
EXPANDED MODE ADDRESS SELECT | ||||||
|
Port 1 (J4) |
Port 2 (J3) |
Port 3 (J1) |
Port 4 (J2) |
SW1/1 |
SW1/2 |
SW1/3 |
|
280h |
288h |
290h |
298h |
On |
On |
Off |
|
3E0h |
3E8h |
2E0h |
2E8h |
Off |
Off |
On |
|
2A0h |
2A8h |
2B0h |
2B8h |
On |
Off |
On |
|
1A0h |
1A8h |
2A0h |
2A8h |
Off |
On |
On |
|
INTERRUPT SELECT | ||||||
|
IRQ |
SW1/4 |
SW1/5 |
SW1/6 |
SW1/7 |
SW1/8 | |
|
IRQ5 |
Off |
Off |
Off |
On |
Off | |
|
IRQ2 |
On |
Off |
Off |
Off |
Off | |
|
IRQ3 |
Off |
On |
Off |
Off |
Off | |
|
IRQ4 |
Off |
Off |
On |
Off |
Off | |
|
IRQ7 |
Off |
Off |
Off |
Off |
On | |
|
PRIMARY PORT NORMAL/FORCED TRUE SELECT | |||
|
Setting |
JP7/A |
JP7/B |
JP7/C |
|
Normal |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
|
Forced True |
Pins 2 & 3 closed |
Pins 2 & 3 closed |
Pins 2 & 3 closed |
|
PRIMARY PORT DTE/DCE SELECT | |
|
Jumper JP8 | |
|
DTE |
DCE |
|
|
|
|
SECOND PORT NORMAL/FORCED TRUE SELECT | |||
|
Setting |
JP6/A |
JP6/B |
JP6/C |
|
Normal |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
|
Forced True |
Pins 2 & 3 closed |
Pins 2 & 3 closed |
Pins 2 & 3 closed |
|
SECOND PORT DTE/DCE SELECT | |
|
Jumper JP5 | |
|
DTE |
DCE |
|
|
|
|
THIRD PORT NORMAL/FORCED TRUE SELECT | |||
|
Setting |
JP1/A |
JP1/B |
JP1/C |
|
Normal |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
|
Forced True |
Pins 2 & 3 closed |
Pins 2 & 3 closed |
Pins 2 & 3 closed |
|
THIRD PORT DTE/DCE SELECT | |
|
Jumper JP3 | |
|
DTE |
DCE |
|
|
|
|
FOURTH PORT NORMAL/FORCED TRUE SELECT | |||
|
Setting |
JP2/A |
JP2/B |
JP2/C |
|
Normal |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
|
Forced True |
Pins 2 & 3 closed |
Pins 2 & 3 closed |
Pins 2 & 3 closed |
|
FOURTH PORT DTE/DCE SELECT | |
|
Jumper JP4 | |
|
DTE |
DCE |
|
|
|
