ATA(IDE) 34 Pin Cable Pinout


IDC 34 Pin Connector

ATA 34 PIN
PIN
FUNCTION
DESCRIPTION
1
GND
Ground
2
LDENSEL
Low Density Select
3
GND
Ground
4
MFP
MicroFloppy
5
DD6
Data 6
6
DD9
Data 9
7
DD5
Data 5
8
DD10
Data 10
9
DD4
Data 4
10
DD11
Data 11
11
DD3
Data 3
12
DD12
Data 12
13
DD2
Data 2
14
DD13
Data 13
15
DD1
Data 1
16
DD14
Data 14
17
DD0
Data 0
18
DD15
Data 15
19
GND
Ground
20
KEY
Key (no pin)
21
DMARQ
DMA Request
22
GND
Ground
23
/DIOW
Write Strobe
24
GND
Ground
25
/DIOR
Read Strobe
26
GND
Ground
27
IORDY
I/O Ready
28
SPSYNC:CSEL
Spindle Sync or Cable Select
29
/DMACK
DMA Acknowledge
30
GND
Ground
31
INTRQ
Interrupt Request
32
/IOCS16
I/O ChipSelect 16
33
DA1
Address 1
34
PDIAG
Passed Diagnostic
35
DA0
Address 0
36
DA2
Address 2
37
/IDE_CS0
(1F0 - 1F7)
38
/IDE_CS1
(3F6 - 3F7)
39
/ACTIVE
LED Driver
40
GND
Ground
41
+5VL
+5VDC (Logic)
42
+5VM
+5VDC (Motor)
43
GND
Ground
44
/TYPE
Type (0=ATA)
NOTE:  A slash "/" before a function denotes Active Low


Presented by Donohew Incorporated
www.donohewinc.com