UNIDENTIFIED
AT BUS + 2S/1P
| |
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 |
40-pin IDE(AT) Interface connector |
J1 |
34-pin control cable connector - floppy drive |
J2 |
4-pin connector - Drive active LED |
J5 |
10-pin serial port (COM2/4) - internal |
J9 |
10-pin serial port (COM1/3) - external |
J10 |
25-pin parallel port (LPT1/2) - external |
J12 |
USER CONFIGURABLE SETTINGS | |||
Function |
Location |
Setting | |
Single speed floppy drives supported |
J3 |
pins 1 & 2 closed | |
Dual speed floppy drives supported |
J3 |
pins 2 & 3 closed | |
Floppy drive precompensation enabled |
J4 |
pins 2 & 3 closed | |
Floppy drive precompensation disabled |
J4 |
pins 1 & 2 closed | |
Chasis ground enabled |
J11 |
closed | |
Chasis ground disabled |
J11 |
open | |
Serial Port 2 (J9) Interrupt Request IRQ3 enabled |
J13/jumper 3 |
closed | |
Serial Port 2 (J9) Interrupt Request IRQ3 disabled |
J13/jumper 3 |
open | |
Serial Port 1 (J10) Interrupt Request IRQ4 enabled |
J13/jumper 4 |
closed | |
Serial Port 1 (J10) Interrupt Request IRQ4 disabled |
J13/jumper 4 |
open |
BIOS TYPE CONFIGURATION | |||
Type |
J6/jumper 1 |
J6/jumper 2 | |
IBM-compatible BIOS |
open |
closed | |
IBM BIOS |
closed |
open |
SERIAL PORT 1 (J10) CONFIGURATION | |||
COM |
J7/jumper 1 |
J7/jumper 3 | |
1 |
closed |
open | |
3 |
open |
closed |
SERIAL PORT 2 (J9) CONFIGURATION | |||
COM |
J7/jumper 2 |
J7/jumper 4 | |
2 |
closed |
open | |
4 |
open |
closed |
PARALLEL PORT (J12) CONFIGURATION | |||
LPT |
J7/jumper 5 |
J7/jumper 6 | |
1 |
open |
closed | |
2 |
closed |
open | |
Disabled |
open |
open |
FLOPPY DRIVE CONFIGURATION | |||
Function |
J8/jumper 1 |
J8/jumper 2 | |
Floppy drive port address is 3F0-3F7h |
closed |
open | |
Floppy drive port address is 370-377h |
open |
closed | |
Floppy drive disabled |
open |
open |
PARALLEL PORT (J12) INTERRUPT REQUEST | |||
IRQ |
J13/jumper 1 |
J13/jumper 2 | |
5 |
closed |
open | |
7 |
open |
closed |