WESTERN DIGITAL CORPORATION
WD1002-FOX
| 
 
  | |
| 
 Data bus:  | 
 8-bit, ISA  | 
| 
 Size:  | 
 Half-length, half-height card  | 
| 
 Hard drive supported:  | 
 N/A  | 
| 
 Floppy drives supported:  | 
 Two 360KB, 1.2MB drives or floppy tape drives  | 
| 
 CONNECTIONS  | |
| 
 Function  | 
 Location  | 
| 
 34-pin connector - floppy drive internal  | 
 CN1  | 
| 
 37-pin floppy disk drive port - external  | 
 CN2  | 
| 
 USER CONFIGURABLE SETTINGS  | ||
| 
 Function  | 
 Location  | 
 Setting  | 
| 
 Factory configured setting - do not alter  | 
 W3  | 
 pins 1 & 2 closed  | 
| 
 Factory configured setting - do not alter  | 
 W4  | 
 pins 2 & 3 closed  | 
| 
 Optional BIOS - enabled  | 
 W5  | 
 pins 1 & 2 closed  | 
| 
 Optional BIOS - disabled  | 
 W5  | 
 pins 2 & 3 closed  | 
| 
 Controller grounded to chassis  | 
 W6  | 
 pins 1 & 2 closed  | 
| 
 Controller not grounded  | 
 W6  | 
 pins 2 & 3 closed  | 
| 
 Dual speed spindle option - enabled  | 
 W7  | 
 closed  | 
| 
 Dual speed spindle option - disabled  | 
 W7  | 
 open  | 
| 
 Precompensation set to 187nsec  | 
 W8  | 
 closed  | 
| 
 Precompensation set to 125nsec  | 
 W8  | 
 open  | 
| 
 DRIVE POWER SELECT  | |||
| 
 Setting  | 
 W9  | 
 W10  | 
 W11  | 
| 
 Power supplied by host  | 
 closed  | 
 closed  | 
 closed  | 
| 
 Power supplied by drive  | 
 open  | 
 open  | 
 open  | 
| 
 BIOS ADDRESS  | ||
| 
 Address  | 
 W1  | 
 W2  | 
| 
 EF000 - EEFFF  | 
 pins 2 & 3 closed  | 
 pins 2 & 3 closed  | 
| 
 ED000 - ECFFF  | 
 pins 2 & 3 closed  | 
 pins 1 & 2 closed  | 
| 
 CF000 - CEFFF  | 
 pins 1 & 2 closed  | 
 pins 2 & 3 closed  | 
| 
 CD000 - CCFFF  | 
 pins 1 & 2 closed  | 
 pins 1 & 2 closed  | 
| 
 Note: If W1 & W2 are removed this will disable the BIOS regardless of the setting of W5.  | ||