UNIDENTIFIED
B237
| |
Data bus: |
16-bit, ISA |
Size: |
Half-length, full-height card |
Hard drive supported: |
Two IDE (AT) Interface drives |
Floppy drives supported: |
Two 360KB, 720KB, 1.2MB, or 1.44MB drives |
CONNECTIONS | |
Function |
Location |
25-pin parallel port (LPT1/2) - external |
CN1 |
15-pin game port - external |
CN2 |
10-pin serial port (COM1/3) - internal |
CN3 |
10-pin serial port (COM2/4) - internal |
CN4 |
34-pin control cable connector - floppy drive |
CN5 |
40-pin IDE (AT) Interface connector |
CN6 |
4-pin connector - drive active LED |
CN7 |
PARALLEL PORT ADDRESS | ||
Setting |
JP3 |
JP4 |
3BCh |
pins 2 & 3 closed |
pins 1 & 2 closed |
378h |
pins 1 & 3 closed |
pins 1 & 2 closed |
278h |
pins 1 & 2 closed |
pins 2 & 3 closed |
Disable |
pins 2 & 3 closed |
pins 2 & 3 closed |
SERIAL PORTS COM SELECT | ||||
Serial 1 |
Serial 2 |
JP5 |
JP6 |
JP7 |
COM1 |
COM2 |
pins 1 & 2 closed |
pins 1 & 2 closed |
pins 1 & 2 closed |
COM2 |
COM1 |
pins 1 & 2 closed |
pins 1 & 2 closed |
pins 2 & 3 closed |
FLOPPY DRIVE SELECT | ||
Setting |
JP8 |
JP9 |
Enabled |
pins 1 & 2 closed |
pins 1 & 2 closed |
Disabled |
pins 2 & 3 closed |
pins 2 & 3 closed |