WD1002-FOX Hard Disk/Floppy Controller Settings and Configuration

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.