AMERICAN MULTISOURCE, INC.

SR4

Data bus:	16-bit ISA
Size:	Three/quarter-length, full-height card
Hard drive supported:	Two RLL ST506/412 drives
Floppy drives supported:	Four 360KB, 720KB, 1.2MB, 1.44MB drives

CONNECTIONS
Function	Location
34-pin control cable connector - hard drive	J1
20-pin data cable connector	J2
20-pin data cable connector	J3
34-pin connector - floppy drive interface (drives 1 & 2)	J4
4-pin connector - drive active LED	J5
34-pin connector - floppy drive interface (drives 3 & 4)	J6

USER CONFIGURABLE SETTINGS
Function		Location	Setting
»	Floppy drive interface address select primary	W3	open
	Floppy drive interface address select secondary	W3	closed
»	Hard drive interface address select primary	W4	open
	Hard drive interface address select secondary	W4	closed
»	On-board BIOS enabled	W6	closed
	On-board BIOS disabled	W6	open

HARD DRIVE INTERFACE CONFIGURATION
Setting		W1	W2
»	Enabled	closed	pins 2 & 3 closed
	Disabled	open	pins 1 & 2 closed

FLOPPY DRIVE INTERFACE CONFIGURATION
Setting		W5	W7
»	Enabled	closed	closed
	Disabled	open	open

BASE MEMORY ADDRESS SELECTION
Address	W8	W9
C8000h	closed	closed
CC000h	closed	open
D0000h	open	closed
D4000h	open	open

Share and Enjoy

Tags

guides information FAQ manuals articles essays