WESTERN DIGITAL CORPORATION
WDAT-240
Data bus: 16-bit, PC/AT
Size: Half-length, full-height card
Hard drives supported: Two IDE (AT) Interface drives
Floppy drives supported: Two 360KB, 720KB, 1.2MB, or 1.44MB
CONNECTIONS | |
Function | Location |
34-pin data cable connector-floppy drive | J1 |
40-pin AT Interface (IDE) control cable connector-internal | J2 |
DIRQ14 SIGNAL SELECT | |||
Function | Jumper W1 | Jumper W1A | |
» | DIRQ14 signal passed to host computer | open | closed |
Conner CP342/CP3022 in true IBM AT | closed | open |
USER CONFIGURABLE SETTINGS | |||
Function | Location | Setting | |
» | Floppy controller enabled | W2 | closed |
Floppy controller disabled | W2 | open | |
» | Floppy drive port address is 3F0-3F7h | W2A | open |
Floppy drive port address is 370-377h | W2A | closed | |
» | Single speed floppy drive | W3 | open |
Dual-speed floppy drive | W3 | closed | |
» | Logic ground independent of chassis | W4 | open |
Logic ground connected to chassis | W4 | closed |