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

Pin

Signal

 

Pin

Signal

 

 

 

 

 

1

RESET#

 

32

VDD2

 

 

 

 

 

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#

 

 

 

 

 

1.Signals marked with (#) are active low.

2.VDD may be set to +3.3 V or +5 V with jumper JP4

BDM-610000050 Rev A

Chapter 3: Connecting the cpuModule 33

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IBM CMX58886CX user manual ATA/IDE Disk Chip Socket U161