5.3 PATA Interface
The USDT system board includes a SATA-to-PATA bridge and slim IDE connector that supports
an IDE-type optical disk drive. The pinout for this connector is listed in Table 5-2
The 44-pin slim IDE connector is shown in the figure below.
Figure 5-2. 44-pin Slim IDE Connector (P21on system board).
Pin
Signal
1
RESET#
3
DD7
5
DD6
7
DD5
9
DD4
1 1
DD3
13
DD2
15
DD1
17
DD0
19
GND
21
DMARQ
Technical Reference Guide
2
1
Table 5-2.
44-Pin Slim IDE Connector Pinout
Pin
Signal
Pin
2
GND
23
4
DD8
25
6
DD9
27
8
DD10
29
10
DD1 1
31
12
DD12
33
14
DD13
35
16
DD14
37
18
DD15
39
20
Key (no pin)
41
22
GND
43
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Signal
Pin
Signal
DIOW#
24
GND
DIOR#
26
GND
IORDY
28
CSEL
DMACK#
30
GND
INTRQ
32
NC
DA1
34
PDIAG#
DA0
36
DA2
CS0#
38
CS1#
IDEACT#
40
GND
5V
42
5V
GND
44
Reserved
Input/Output Interfaces
44
43
5-3