Chapter 6 – XVME-973 Drive Adapter Module
6-5
P4 Connector
P4 connects up to two 2.5-inch hard drives. Power for the drives is supplied by the
connector.
Pin
Signal
Pin
Signal
1
HDRESET*
23
DIOW*
2
GND
24
GND
3
HD7
25
DIOR*
4
HD8
26
GND
5
HD6
27
IORDY
6
HD9
28
ALE
7
HD5
29
HDACK*
8
HD10
30
GND
9
HD4
31
IRQ14
10
HD11
32
IOCS16*
11
HD3
33
DA1
12
HD12
34
NC
13
HD2
35
DA0
14
HD13
36
DA2
15
HD1
37
CS1P*
16
HD14
38
CS3P*
17
HD0
39
IDEATP*
18
HD15
40
GND
19
GND
41
+5V
20
NC
42
+5V
21
HDRQ
43
GND
22
GND
44
NC
Caution
The total cable length must not exceed 18 inches. Also, if two drives are
connected, they must be no more than six inches apart.
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