CONNECTIONS
Function	Location
34-pin control cable connector-hard drive	J1
20-pin data cable connector-drive 0	J2
20-pin data cable connector-drive 1	J3
6-pin DC power connector	J4

USER CONFIGURABLE SETTINGS
Function		Location	Setting
»	BIOS enabled	W7	open
	BIOS disabled	W7	closed
»	BIOS base address is C8000h	W8	open
	BIOS base address is CA000h	W8	closed
»	Factory configured - do not alter	W9	N/A
»	Factory configured - do not alter	W10	N/A
»	Factory configured - do not alter	W11	N/A
»	Drive 0 soft sectored	W11	open
	Drive 0 hard sectored	W11	closed
»	Factory configured - do not alter	W12	all
»	Drive 1 soft sectored	W14	open
	Drive 1 hard sectored	W14	closed
»	Not documented	W17 to 19	N/A

I/O PORT ADDRESS
Address		Jumper W5	Jumper W6
»	320h	open	open
	324h	closed	open
	328h	open	closed
	32Ch	closed	closed

MISCELLANEOUS TECHNICAL NOTES

W1 through W4 are used to configure the drive type. To support most of the drives on the market, there have been several different BIOS's offered. The different BIOS drive type tables are listed with the 5510; The jumper settings are the same for the 5520A and the 5527A.