User`s manual

Chapter 2 Installation 21
2.6.3 IDE hard drive connector
Table 2-6: IDE hard drive connector
IDE connector CN5 IDE connector CN5
Pin Signal Pin Signal Pin Signal Pin Signal
1 IDE RESET 87 PCFIRST# 2 GND 13 GND
3 DATA 7 (*2) 119 SA_HDD7 4 DATA 8 (*2) 47 SA_DD8
5 DATA 6 (*2) 44 SA_DD6 6 DATA 9 (*2) 118 SA_DD9
7 DATA 5 (*2) 117 SA_DD5 8 DATA 10 (*2) 46 SA_DD10
9 DATA 4 (*2) 45 SA_DD4 10 DATA 11 (*2) 50 SA_DD11
11 DATA 3 (*2) 116 SA_DD3 12 DATA 12 (*2) 49 SA_DD12
13 DATA 2 (*2) 43 SA_DD2 14 DATA 13 (*2) 51 SA_DD13
15 DATA 1 (*2) 115 SA_DD1 16 DATA 14 (*2) 48 SA_DD14
17 DATA 0 (*2) 114 SA_DD0 18 DATA 15 (*2) 120 SA_DD15
19 SIGNAL GND - GND 20 N/C - -
21 DMA REQUEST 108 SDRQ 22 GND 124 GND
23 IO WRITE (*2) 35 SIOW 24 GND 125 GND
25 IO READ (*2) 36 SIOR 26 GND 126 GND
27 IO CHANNEL 57 IOCHRDY 28 GND (*1) 127 GND
READY
29 HDACK 34 SACK 30 GND 128 GND
31 IRQ 33 SIRQ 32 N/C - -
33 ADDR 1 38 LA18 34 N/C - -
35 ADDR 0 37 LA17 36 ADDR 2 - -
37 HARD DISK 113 SCE1- 38 HARD DISK 112 SCE2-
SELECT 0 (*2) SELECT 1 (*2)
39 IDE ACTIVE 40 GND 129 -
41 VCC 39 +5 V 42 VCC 40 +5 V
43 GND 122 GND 44 N/C --
Note *1: IDE pin 28 must connect a 470 ohms resistor to
GND.
Note *2: 33 ohms damping resistors is recommended to
connect near the IDE connector. Please refer to Fig.
2-2 below.
Note *3: We do not recommend connection to the following
IDE HDD models of Seagate: ST 31276A, ST
31720A, ST 32531A, ST 33240A or ST 34340A