UNIDENTIFIED
H/FDC ADAPTER
|
Card Type |
Hard drive controller |
|
Hard Drives supported |
Two IDE (AT) drives |
|
Floppy drives supported |
Two 360KB, 720KB, 1.2MB, 1.44MB |
|
Data Bus |
16-bit ISA |
|
Card Size |
Half-length, full-height |
|
CONNECTIONS | |||
|
Function |
Label |
Function |
Label |
|
34-pin cable connector - floppy drive |
CN1 |
2-pin connector - drive active LED |
J1 |
|
40-pin IDE(AT) connector |
CN2 | ||
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Label |
Position | |
|
One hard drive in system |
J2 |
Open | |
|
Two hard drives in system |
J2 |
Closed | |
|
IOCHRDY signal disabled |
J3 |
Open | |
|
IOCHRDY signal enabled |
J3 |
Closed | |
|
Host system acknowledges Interrupt status register |
J4 |
Pins 1 & 2 closed | |
|
Host system ignores Interrupt status register |
J4 |
Pine 2 & 3 closed | |
|
300KPS for DP8473 enabled |
J5 |
Pins 1 & 2 closed | |
|
250KPS for DP8473 enabled |
J5 |
Pins 2 & 3 closed | |
|
Proper precompensation value for DP8473 floppy drive enabled |
J6 |
Pins 2 & 3 closed | |
|
Precompensation control for DP8473 floppy drive disabled |
J6 |
Pins 1 & 2 closed | |
|
Floppy drive interface enabled |
J7 |
Open | |
|
Floppy drive interface disabled |
J7 |
Closed | |
|
IDE(AT) interface enabled |
J8 |
Open | |
|
IDE(AT) interface disabled |
J8 |
Closed | |
|
IDE primary address enabled |
J9 |
Pins 2 & 3 closed | |
|
IDE secondary address enabled |
J9 |
Pins 1 & 2 closed | |