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9 Chapter 1
Table 1.7: CN1 IDE Connector Definitions
Pin Signal Pin Signal
1PRST# 2GND
3PID7 4PID8
5PID6 6PID9
7PID5 8PID10
9PID4 10PID11
11 PID3 12 PID12
13 PID2 14 PID13
15 PID1 16 PID14
17 PID0 18 PID15
19 GND 20 N/C
21 PDRQ# 22 GND
23 PIOW# 24 GND
25 PIOR# 26 GND
27 PRDY 28 CSEL*
29 PACK# 30 GND
31 PIRQ 32 N/C
33 PDA1 34 PDIAG#**
35 PDA0 36 PDA2
37 PCS1# 38 PCS3#
39 HDD_LED 40 N/C
41 +5V 42 +5V
43 GND 44 N/C
#: active low
*: CSEL connected to GND
**: PDIAG# has 10K ohm pull-down to GND