Personal Computer User Manual

AR-B1851 User’s Guide

AR-B1851

Connection

This chapter describes how to connect peripherals, switches and

indicators to the AR-B1851 board.

3.1 Ultra ATA33/66/100 IDE Disk Drive Connector(IDE1)

You can attach two IDE( Integrated Device Electronics) hard disk drives

to the AR-B1851 IDE controller.

IDE 1 : Secondary IDE Connector (44 Pins)

PIN NO. DESCRIPTION PIN NO. DESCRIPTION

1 RESET# 2 GROUND

3 DATA 7 4 DATA 8

5 DATA 6 6 DATA 9

7 DATA 5 8 DATA 10

9 DATA 4 10 DATA 11

11 DATA 3 12 DATA 12

13 DATA 2 14 DATA 13

15 DATA 1 16 DATA 14

17 DATA 0 18 DATA 15

19 GROUND 20 N/C

21 N/C 22 GROUND

23 IOW# 24 GROUND

25 IOR# 26 GROUND

27 N/C 28 BALE - DEFAULT

29 N/C 30 GROUND - DEFAULT

31 INTERRUPT 32 IOCS16#-DEFAULT

33 SA1 34 N/C

35 SA0 36 SA2

37 HDC CS0# 38 HDC CS1#

39 HDD ACTIVE# 40 GROUND

41 +5V LOGIC 42 +5V MOTOR

43 GROUND 44 TYPE