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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 su3.3V 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#