UNIDENTIFIED
AT BUS I/O CARD 0001
| |
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 |
10-pin serial port (COM2/4) - internal |
J2 |
10-pin serial port (COM1/3) - external |
J3 |
25-pin parallel port (LPT1/2) - external |
J4 |
34-pin control cable connector - floppy drive |
J5 |
2-pin connector - Drive active LED |
LED |
USER CONFIGURABLE SETTINGS | |||
Function |
Location |
Setting | |
250KB/sec floppy drives supported |
J6 |
open | |
300KB/sec floppy drives supported |
J6 |
closed | |
Hard drive Interrupt is IRQ14 |
J9 |
pins 1 & 2 closed | |
Hard drive Interrupt is disabled |
J9 |
pins 2 & 3 closed | |
I/O Channel Ready signal disabled |
JP1 |
open | |
I/O Channel Ready signal enabled |
JP1 |
closed | |
Floppy drive enabled |
JP3 |
closed | |
Floppy drive disabled |
JP3 |
open |
SERIAL PORT 1 (J3) CONFIGURATION - JP2 | |||
J3 |
Jumper 1 |
Jumper 2 |
Jumper 3 |
IRQ4 |
closed |
open |
open |
IRQ5 |
open |
closed |
open |
IRQ9 |
open |
open |
closed |
SERIAL PORT 2 (J2) CONFIGURATION - JP2 | |||
J2 |
Jumper 4 |
Jumper 5 |
Jumper 6 |
IRQ3 |
closed |
open |
open |
IRQ9 |
open |
closed |
open |
IRQ5 |
open |
open |
closed |
PARALLEL PORT (J4) CONFIGURATION - JP2 | ||
J4 |
Jumper 7 |
Jumper 8 |
IRQ5 |
closed |
open |
IRQ7 |
open |
closed |
SERIAL PORT 1 (J3) CONFIGURATION - JP6 | ||
J3 |
Jumper 1 |
Jumper 3 |
3F8h |
closed |
open |
3E8f |
open |
closed |
SERIAL PORT 2 (J2) CONFIGURATION - JP6 | ||
J2 |
Jumper 2 |
Jumper 4 |
2F8h |
closed |
open |
2E8h |
open |
closed |
PARALLEL PORT (J4) CONFIGURATION - JP6 | ||
J4 |
Jumper 5 |
Jumper 6 |
378h |
closed |
open |
278h |
open |
closed |