FlexIDE Microdrive Pinouts
I realize this thread is pretty old, but due to the huge void of info on these lil buggers I'll throw up what I know about them as of yet.
Pin Signal Description
1 Ground Ground
2 DD11 Data bus bit 11
3 DD10 Data bus bit 10
4 DD8 Data bus bit 8
5 RESET- Reset
6 DD14 Data bus bit
7 DD15 Data bus bit
8 IORDY- I/O ReadyDMA ready during Ultra DMA data-in burstsData strobe during Ultra DMA data-out bursts
9 INTRQ Interrupt request
10 DA1 Device address bit 1
11 GROUND Ground
12 DA2 Device address bit 2
13 DA0 Device address bit 0
14 DIOW- I/O WriteStop during Ultra DMA data bursts
15 GROUND Ground
16 DIOR- I/O ReadDMA ready during Ultra DMA data-in burstsData strobe during Ultra DMA data-out bursts
17 GROUND Ground
18 PDIAG- Passed diagnostics
19 GROUND Ground
20 DASP- Device active or slave present
21 GROUND Ground
22 CS1- Chip select 0
23 GROUND Ground
24 DD9 Data bus bit 9
25 GROUND Ground
26 DD13 Data bus bit 13
27 CSEL Cable select
28 DD12 Data bus bit 12
29 DD7 Data bus bit 7
30 DD6 Data bus bit 6
31 DD5 Data bus bit 5
32 DD4 Data bus bit 4
33 DD3 Data bus bit 3
34 DD2 Data bus bit 2
35 GROUND Ground
36 DD1 Data bus bit 1
37 DD0 Data bus bit 0
38 DMARQ DMA request
39 DMACK- DMA Acknowledge
40 IOCS16- Data transfer size is one word per transfer cycle
41 CS0 Chip select 0
42 Reserved 1 Reserved for device use only
43 Reserved 2 Reserved for device use only
44 VCC +3.3V 3.3V Voltage supply to device
45 VCC +3.3V 3.3V Voltage supply to device
<br>That's the pinout of the FlexIDE Cable on a Seagate, which I'm rather certain is standard pinout on all such drives.
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