CP302
I/O Module
ID 21112, Rev. 05
Page A - 11
©
PEP Modular Computers GmbH
A.4.4 EIDE Connector CON9 Pinout
The CP302 I/O board has one EIDE interface on a standard 40-pin 2.54mm pin row
connector. By means of this EIDE interface up to two HardDisk drives (one master/slave
pair) may be attatched to the I/O board. The following table describes the pinout of
connector CON9, with the corresponding signal names.
The maximum length of cable that may be used is 35 cm.
Table A-6: Pinout of the AT Standard EIDE Connector CON9
Pin
Signal
Function
In/Out
1
IDERESET
Reset HD
Out
2
GND
Ground signal
--
3
HD7
HD data 7
In/Out
4
HD8
HD data 8
In/Out
5
HD6
HD data 6
In/Out
6
HD9
HD data 9
In/Out
7
HD5
HD data 5
In/Out
8
HD10
HD data 10
In/Out
9
HD4
HD data 4
In/Out
10
HD11
HD data 11
In/Out
11
HD3
HD data 3
In/Out
12
HD12
HD data 12
In/Out
13
HD2
HD data 2
In/Out
14
HD13
HD data 13
In/Out
15
HD1
HD data 1
In/Out
16
HD14
HD data 14
In/Out
17
HD0
HD data 0
In/Out
18
HD15
HD data 15
In/Out
19
GND
Ground signal
--
20
N/C
--
--
21
IDEDRQ
DMA request
In
22
GND
Ground signal
--
23
IOW
I/O write
Out
Table continued on following page
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