SIMM with ECC (72 pin) pinout

memory connector

Pin	ECC	Optimized	Description
1	VSS	VSS	Ground
2	DQ0	DQ0	Data 0
3	DQ1	DQ1	Data 1
4	DQ2	DQ2	Data 2
5	DQ3	DQ3	Data 3
6	DQ4	DQ4	Data 4
7	DQ5	DQ5	Data 5
8	DQ6	DQ6	Data 6
9	DQ7	DQ7	Data 7
10	VCC	VCC	+5 VDC
11	PD5	PD5	Presence Detect 5
12	A0	A0	Address 0
13	A1	A1	Address 1
14	A2	A2	Address 2
15	A3	A3	Address 3
16	A4	A4	Address 4
17	A5	A5	Address 5
18	A6	A6	Address 6
19	n/c	n/c	Not connected
20	DQ8	DQ8	Data 8
21	DQ9	DQ9	Data 9
22	DQ10	DQ10	Data 10
23	DQ11	DQ11	Data 11
24	DQ12	DQ12	Data 12
25	DQ13	DQ13	Data 13
26	DQ14	DQ14	Data 14
27	DQ15	DQ15	Data 15
28	A7	A7	Address 7
29	DQ16	DQ16	Data 16
30	VCC	VCC	+5 VDC
31	A8	A8	Address 8
32	A9	A9	Address 9
33	n/c	n/c	Not connected
34	/RAS1	/RAS1	Row Address Strobe 1
35	DQ17	DQ17	Data 17
36	DQ18	DQ18	Data 18
37	DQ19	DQ19	Data 19
38	DQ20	DQ20	Data 20
39	VSS	VSS	Ground
40	/CAS0	/CAS0	Column Address Strobe 0
41	A10	A10	Address 10
42	A11	A11	Address 11
43	/CAS1	/CAS1	Column Address Strobe 1
44	/RAS0	/RAS0	Row Address Strobe 0
45	/RAS1	/RAS1	Row Address Strobe 1
46	DQ21	DQ21	Data 21
47	/WE	/WE	Read/Write
48	/ECC	/ECC
49	DQ22	DQ22	Data 22
50	DQ23	DQ23	Data 23
51	DQ24	DQ24	Data 24
52	DQ25	DQ25	Data 25
53	DQ26	DQ26	Data 26
54	DQ27	DQ27	Data 27
55	DQ28	DQ28	Data 28
56	DQ29	DQ29	Data 29
57	DQ30	DQ30	Data 30
58	DQ31	DQ31	Data 31
59	VCC	VCC	+5 VDC
60	DQ32	DQ32	Data 32
61	DQ33	DQ33	Data 33
62	DQ34	DQ34	Data 34
63	DQ35	DQ35	Data 35
64	n/c	DQ36	Data 36
65	n/c	DQ37	Data 37
66	n/c	DQ38	Data 38
67	PD1	PD1	Presence Detect 1
68	PD2	PD2	Presence Detect 2
69	PD3	PD3	Presence Detect 3
70	PD4	PD4	Presence Detect 4
71	n/c	DQ39	Data 39
72	VSS	VSS	Ground

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Pinouts.ru > Memory slots and cards connectors pinouts > Pinout of SIMM with ECC (72 pin) and layout of 72 pin SIMM connector	Document status:	unknown
Source(s) of this and additional information: Various productsheets at IBM Memory Products, from Hardware Book	0 reports
Last updated at Sat Jun 25 2005. Submit additions or corrections for this document.	Is this document correct or incorrect? What is your opinion?

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