Ata/ide disk chip socket (u16) – IBM CMX58886CX User Manual
Page 41
BDM-610000050
Rev A
Chapter 3: Connecting the cpuModule
33
ATA/IDE Disk Chip Socket (U16)
The ATA/IDE Disk Chip socket is a 32-pin socket that supports +3.3V or +5V miniature ATA/IDE flash disk chips.
The socket allows a true IDE device to be attached to the board with either a socketed or soldered connection.
Such true IDE devices are supported by all major operating systems, and do not require special drivers. The
socket supports ATA/IDE flash disk chips with capacites up to 4GB..
WARNING
Before installing a device in the ATA/IDE Disk Chip socket, the system must be configured in
the correct mode. For details on configuring the socket, refer to Chapter 4, Using the cpuModule.
WARNING
The ATA/IDE Disk Chip socket does not support conventional SSD memory devices or
devices that install as a BIOS extension (such as the M-Systems DiskOnChip®). If such a device is installed,
the cpuModule and device will almost certainly be destroyed.
Table 16
ATA/IDE Disk Chip Socket (U16)
1
1. Signals marked with (#) are active low.
Pin
Signal
Pin
Signal
1
RESET#
32
VDD
2
2. VDD may be set to +3.3 V or +5 V with jumper JP4
2
D7
31
D8
3
D6
30
D9
4
D5
29
D10
5
D4
28
D11
6
D3
27
D12
7
D2
26
D13
8
D1
25
D14
9
D0
24
D15
10
DMARQ/WP#
23
IOWR#
11
IORD#
22
DMACK/CSEL
12
INTRQ
21
IOCS16#
13
A1
20
PDIAG#
14
A0
19
A2
15
CS1FX#
18
CS3FX#
16
GND
17
DASP#