ATC/UNITRON COMPUTER & COMPUTER PARTS
U3978
|
Card Type |
Hard drive controller card |
|
Hard Drives supported |
Two IDE drives |
|
Floppy drives supported |
Two 360KB, 720KB, 1.2MB, or 1.44MB drives |
|
I/O Options |
Serial ports (2), parallel port |
|
Data Bus |
32-bit VESA Local Bus |
|
Card Size |
Full-length, full-height card |
|
CONNECTIONS | |||
|
Function |
Location |
Function |
Location |
|
40-pin primary IDE(AT) connector |
J1 |
10-pin serial port 1 - internal |
J5 |
|
4-pin connector - drive active LED |
J2 |
10-pin serial port 2 - internal |
J6 |
|
34-pin cable connector - floppy drive |
J3 |
25-pin parallel port - external |
J7 |
|
16-pin game port |
J4 | ||
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Label |
Position | |
| » |
Floppy drive interface enabled |
JP6 |
Pins 1 & 2 closed |
|
Floppy drive interface disabled |
JP6 |
Pins 2 & 3 closed | |
| » |
Game port enabled |
JP7 |
Pins 1 & 2 closed |
|
Game port disabled |
JP7 |
Pins 2 & 3 closed | |
| » |
IDE interface enabled |
JP17 |
Pins 1 & 2 closed |
|
IDE interface disabled |
JP17 |
Pins 2 & 3 closed | |
|
PARALLEL PORT ADDRESS SELECTION | ||
|
Setting |
JP8 |
JP9 |
|
LPT2 (278h) |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
|
LPT3 (3BCh) |
Pins 2 & 3 closed |
Pins 1 & 2 closed |
|
Disabled |
N/A |
Pins 2 & 3 closed |
|
SERIAL PORT 1 ADDRESS SELECTION | ||
|
Setting |
JP12 |
JP13 |
|
COM1 (3F8h) |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
|
COM3 (3E8h) |
Pins 2 & 3 closed |
Pins 1 & 2 closed |
|
Disabled |
N/A |
Pins 2 & 3 closed |
|
SERIAL PORT 2 ADDRESS SELECTION | ||
|
Setting |
JP10 |
JP11 |
|
COM2 (2F8h) |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
|
COM4 (2E8h) |
Pins 1 & 2 closed |
Pins 2 & 3 closed |
|
Disabled |
Pins 2 & 3 closed |
N/A |
|
PARALLEL PORT IRQ SELECTION | |
|
IRQ |
JP14 |
|
5 |
Pins 2 & 3 closed |
|
7 |
Pins 1 & 2 closed |
|
PR4030 SELECTION | |||
|
Setting |
JP1 |
JP2 |
JP15 |
|
ID=000 |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
Pins 2 & 3 closed |
|
I/O PORT ADDRESS SELECTION | ||
|
Address |
JP3 |
JP16 |
|
26h |
Pins 1 & 2 closed |
Pins 2 & 3 closed |
|
2Ah |
Pins 2 & 3 closed |
Pins 2 & 3 closed |
|
2Eh |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
|
34h |
Pins 2 & 3 closed |
Pins 1 & 2 closed |