User`s manual

18 Connectors & Jumpers
2.2 Onboard Connectors
ATX 12V Power Connector (CN1)
IDE Connector (CN3)
Pin # Signal
1 GND
2 GND
3 +12V DC
4 +12V DC
Pin # Signal Pin # Signal
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 -
21 Request 22 Ground
23 I/O Write 24 Ground
25 I/O Read 26 Ground
27 I/O Ready 28 Cable Select
29 DMA Ack 30 Ground
31 Interrupt Request 32 No Connect
33 Device Address 1 34 ATA 66/100 Detect
35 Device Address 0 36 Device Address 2
37 Chip Select 1 38 Chip Select 3
39 Device Active 40 Ground
1
3
2
4