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AR-B1851 User’s Guide
AR-B1851
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3
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
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