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28 • Installation
ATX Power Connector: CN22
Pin # Assignment Pin # Assignment
1 +3.3V 11 +3.3V
2 +3.3V 12 -12V
3 Ground 13 Ground
4 +5V 14 PS-ON
5 Ground 15 Ground
6 +5V 16 Ground
7 Ground 17 Ground
8 NC 18 -5V
9 5VSB 19 +5V
10 +12v 20 +5V
y Figure:
Primary IDE Connector (40-pins 2.54mm Pitch Pin-Header with Housing):
CN23
Pin # Assignment Pin # Assignment
1 Reset IDE 2 Ground
3 Host Data 7 4 Host Data 8
5 Host Data 6 6 Host Data 9
7 Host Data 5 8 Host Data 10
9 Host Data 4 10 Host Data 11
11 Host Data 3 12 Host Data 12
13 Host Data 2 14 Host Data 13
15 Host Data 1 16 Host Data 14
17 Host Data 0 18 Host Data 15
19 Ground 20 NC
21 DRQ 0 22 Ground
23 Host IOW 24 Ground
25 Host IOR 26 Ground
27 IOCHRDY 28 Host ALE
29 DACK 0 30 Ground
31 IRQ 14 32 No Connect
33 Address 1 34 Ground
1
10
20
11