Распиновка ATA (50) internal pinout

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a 50 pin cable will fit most 2.5" IDE drives and bring the extra (master/slave etc) drive pins back to the system board. The connector has the same 2mm pitch as a 40 or 44 pin cable. The only place I have seen this cable is in a Fostex DF-4 Portable 4 track recorder, but it may exist in other places. It is nearly documented at http://paulski.com/zpages.php?id=1717 but he missed the two missing pins at positions 5 and 6. It seems there are a few ways 2.5" IDE drives are wired.. They will all be a subset of.. 40 pins for data 4 pins for power and optionally 6 pins 1 blank row (2 pins), and 4 pins for master/slave.

 

Pin Number	Pin Name	Description
1	Drive Jumper	Drive Jumper
2	Drive Jumper	Drive Jumper
3	Drive Jumper	Drive Jumper
4	Drive Jumper	Drive Jumper
5	No Pin	Blank
6	No Pin	Blank
7	Reset	Reset
8	Ground	Gnd
9	Data 7	Data
10	Data 8	Data
11	Data 6	Data
12	Data 9	Data
13	Data 5	Data
14	Data 10	Data
15	Data 4	Data
16	Data 11	Data
17	Data 3	Data
18	Data 12	Data
19	Data 2	Data
20	Data 13	Data
21	Data 1	Data
22	Data 14	Data
23	Data 0	Data
24	Data 15	Data
25	GND	Gnd
26	KEY	Blank
27	N/C	N/C
28	Gnd	Gnd
29	/IOW	Write Strobe
30	Gnd	Gnd
31	/IOR	Read Strobe
32	Gnd	Gnd
33	IO_CH_RDY
34	ALE	Address Latch Enable
35	N/C	N/C
36	Gnd	GND
37	IRQR	Interrupt Request
38	/IOCS16	I/O Chip Select 16
39	DA1	Address 1
40	N/C	N/C
41	DA0	Address 0
42	DA2	Address 2
43	/IDECS0	(1F0-1F7)
44	/IDECS1	(3F6-3F7)
45	/ACTIVE	LED Drive
46	Gnd	Ground
47	+5 VL	+5 V Logic
48	+5 VM	+5 V Motor
49	Gnd	Gnd
50	/Type	Type (0=ATA)