HDD and other storage devices connectors pinouts

 

zif pin
function
zif pin
number

ATA
pin number

ATA
pin name
ATA signal
description
  1     N/C
  2     N/C
-Reset 3 1 /RESET Reset
GND 4 2 GND Ground
DD7 5 3 DD7 Data 7
DD8 6 4 DD8 Data 8
DD6 7 5 DD6 Data 6
DD9 8 6 DD9 Data 9
DD5 9 7 DD5 Data 5
DD10 10 8 DD10 Data 10
DD4 11 9 DD4 Data 4
DD11 12 10 DD11 Data 11
DD3 13 11 DD3 Data 3
DD12 14 12 DD12 Data 12
DD2 15 13 DD2 Data 2
DD13 16 14 DD13 Data 13
DD1 17 15 DD1 Data 1
DD14 18 16 DD14 Data 14
DD0 19 17 DD0 Data 0
DD15 20 18 DD15 Data 15
GND 21 19 GND Ground
    20 KEY Key (Pin missing)
DMARQ 22 21 DMARQ DMA Request
GND 23 22 GND Ground
/DIOW 24 23 /DIOW Write Strobe
    24 GND Ground
/DIOR 25 25 /DIOR Read Strobe
GND 26 26 GND Ground
IORDY 27 27 IORDY I/O Ready
    28 SPSYNC:CSEL Spindle Sync or Cable Select.
/DMACK 29 29 /DMACK DMA Acknowledge
GND 28 30 GND Ground
INTRQ 30 31 INTRQ Interrupt Request
    32 /IOCS16 IO ChipSelect 16. 
DA1 31 33 DA1 Address 0
PDIAG 32 34 PDIAG Passed Diagnostics.
DA0 33 35 DA0 Address 1
DA2 34 36 DA2 Address 2
CS0 35 37 /IDE_CS0 (1F0-1F7)
CS1 36 38 /IDE_CS1 (3F6-3F7)
/DASP 37 39 /ACTIVE Led driver
    40 GND Ground
+3.3V 38 41 +3.3V +3.3 VDC 
+3.3V 39 42 +5V +3.3 VDC
    43 GND Ground
    44 /TYPE Type (0=ATA)

Some pins are left unconnected. 

NOT TESTED!


unknown connector
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ZIF to ATA interface adapter visual pinout:
ZIF to ATA interface adapter diagram
click to enlarge
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