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INSTALLATIONS
IDE1: Primary IDE Connector
IDE1
Signal Name Pin # Pin # Signal Name
Reset IDE 1 2 Ground
Host data 7 3 4 Host da
t
a 8
Host data 6 5 6 Host data 9
Host data 5 7 8 Host data 10
Host data 4 9 10 Host data 11
Host data 3 11 12 Host data 12
Host data 2 13 14 Host data 13
Host data 1 15 16 Host data 14
Host data 0 17 18 Host data 15
Ground 19 20 Protect
p
in
DR
Q
0 21 22 Ground
Host IOW 23 24 Ground
Host IOR 25 26 Ground
IOCHRDY 27 28 Host ALE
DACK0 29 30 Ground
IR
Q
14 31 32
N
o connec
t
Address 1 33 34
N
o connec
t
Address 0 35 36 Address 2
Chi
p
select 0 37 38 Chi
p
select 1
Activit
y
39 40 Ground
FDC1: Floppy Drive Connector
FDD1
Signal Name Pin # Pin # Signal Name
Ground 1 2 RM/LC
Ground 3 4 No connect
Ground 5 6 No connect
Ground 7 8 Index
Ground 9 10 Motor enable 0
Ground 11 12 Drive select 1
Ground 13 14 Drive select 0
Ground 15 16 Motor enable 1
Ground 17 18 Direction
Ground 19 20 Step
Ground 21 22 Write data
Ground 23 24 Write gate
Ground 25 26 Track 00
Ground 27 28 Write protect
Ground 29 30 Read data
Ground 31 32 Side 1 select
Ground 33 34 Diskette change
IB935 User’s Manual 15