CONNECTIONS
Function	Location
4-pin connector-drive active LED	J1
20-pin data cable connector-drive 0	J2
20-pin data cable connector-drive 1	J3
34-pin control cable connector-hard drive	J4

USER CONFIGURABLE SETTINGS-WD1006-WAH
Function		Location	Setting
	16 head hard drive supported	W1	pins 1 & 2 closed
»	8 head hard drive and RWC supported	W1	pins 2 & 3 closed
»	Hard drive port address is 1F0-1F7h	W3	pins 1 & 2 closed
	Hard drive port address is 170-177h	W3	pins 2 & 3 closed
	Drive LED is not latched, W10 must be open	W4	closed
	Reserved for WD1006-RAH	W5 to W8	open
	Enable caching	W9	open
	Disable caching	W9	closed
»	Non-latched mode	W10	open
	Latched mode	W10	closed
	Isolates mounting bracket from board	W11	open
	Connects bracket to board ground	W11	closed

USER CONFIGURABLE SETTINGS-WD1006S WAH
Function		Location	Setting
	Etch on solder side connects pins 1 & 2. LED lights for drive selection. Remove W6 if W1 is installed.	W1	closed
	Drive LED is latched	W1	open
»	16 heads. No reduced write current	W2	pins 1 & 2 closed
	8 heads. Reduced write current	W2	pins 2 & 3 closed
»	Enable caching	W3	open
	Disable caching	W3	closed
	Isolate mounting bracket from board	W4	open
	Connects mounting bracket to board	W4	closed
»	Hard drive address is 1F0-1F7h (hard wired)	W5	pins 1 & 2 closed
	Hard drive port address is 170-177h	W5	pins 2 & 3 closed
»	Non-latched mode	W6	open
	Latched mode	W6	closed

WAIT STATE JUMPER - WD1006-WAH (F002 ONLY, F001 DOES NOT SUPPORT WAIT STATES)
State	W2/jumper 1	W2/jumper 2	W2/jumper 3
Zero Wait State enabled	closed	open	open
One Wait State enabled	open	closed	open
Two Wait States enabled	open	open	closed

MISCELLANEOUS TECHNICAL NOTES

Not all jumpers are present. You must solder those that are not present. There are two versions of the WD1006S-WAH: the F001 and the F002. The F001 has caching firmware but no wait state generator; F002 has caching firmware with a wait state generator.