TechFest - PCI Local Bus Technical Summary

PCI Pin	5V System Environment		PCI Pin	3.3V System Environment		Comments
PCI Pin	B Side	A Side	PCI Pin	B Side	A Side	Comments
1	-12V	TRST#	1	-12V	TRST#	32-bit start
2	TCK	+12V	2	TCK	+12V
3	Ground	TMS	3	Ground	TMS
4	TDO	TDI	4	TDO	TDI
5	+5V	+5V	5	+5V	+5V
6	+5V	INTA#	6	+5V	INTA#
7	INTB#	INTC#	7	INTB#	INTC#
8	INTD#	+5V	8	INTD#	+5V
9	PRSNT1#	Reserved	9	PRSNT1#	Reserved
10	Reserved	+5V (I/O)	10	Reserved	+3.3V (I/O)
11	PRSNT2#	Reserved	11	PRSNT2#	Reserved
12	Ground	Ground	12	Connector Key		3.3V key
13	Ground	Ground	13	Connector Key		3.3V key
14	Reserved	Reserved	14	Reserved	Reserved
15	Ground	RST#	15	Ground	RST#
16	CLK	+5V (I/O)	16	CLK	+3.3V (I/O)
17	Ground	GNT#	17	Ground	GNT#
18	REQ#	Ground	18	REQ#	Ground
19	+5V (I/O)	Reserved	19	+3.3V (I/O)	Reserved
20	AD[31]	AD[30]	20	AD[31]	AD[30]
21	AD[29]	+3.3V	21	AD[29]	+3.3V
22	Ground	AD[28]	22	Ground	AD[28]
23	AD[27]	AD[26]	23	AD[27]	AD[26]
24	AD[25]	Ground	24	AD[25]	Ground
25	+3.3V	AD[24]	25	+3.3V	AD[24]
26	C/BE[3]#	IDSEL	26	C/BE[3]#	IDSEL
27	AD[23]	+3.3V	27	AD[23]	+3.3V
28	Ground	AD[22]	28	Ground	AD[22]
29	AD[21]	AD[20]	29	AD[21]	AD[20]
30	AD[19]	Ground	30	AD[19]	Ground
31	+3.3V	AD[18]	31	+3.3V	AD[18]
32	AD[17]	AD[16]	32	AD[17]	AD[16]
33	C/BE[2]#	+3.3V	33	C/BE[2]#	+3.3V
34	Ground	FRAME#	34	Ground	FRAME#
35	IRDY#	Ground	35	IRDY#	Ground
36	+3.3V	TRDY#	36	+3.3V	TRDY#
37	DEVSEL#	Ground	37	DEVSEL#	Ground
38	Ground	STOP#	38	Ground	STOP#
39	LOCK#	3.3V	39	LOCK#	3.3V
40	PERR#	SDONE	40	PERR#	SDONE
41	+3.3V	SBO#	41	+3.3V	SBO#
42	SERR#	Ground	42	SERR#	Ground
43	+3.3V	PAR	43	+3.3V	PAR
44	C/BE[1]#	AD[15]	44	C/BE[1]#	AD[15]
45	AD[14]	+3.3V	45	AD[14]	+3.3V
46	Ground	AD[13]	46	Ground	AD[13]
47	AD[12]	AD[11]	47	AD[12]	AD[11]
48	AD[10]	Ground	48	AD[10]	Ground
49	Ground	AD[09]	49	M66EN	AD[09]
50	Connector Key		50	Ground	Ground	5V key
51	Connector Key		51	Ground	Ground	5V key
52	AD[08]	C/BE[0]#	52	AD[08]	C/BE[0]#
53	AD[07]	+3.3V	53	AD[07]	+3.3V
54	+3.3V	AD[06]	54	+3.3V	AD[06]
55	AD[05]	AD[04]	55	AD[05]	AD[04]
56	AD[03]	Ground	56	AD[03]	Ground
57	Ground	AD[02]	57	Ground	AD[02]
58	AD[01]	AD[00]	58	AD[01]	AD[00]
59	+5V (I/O)	+5V (I/O)	59	+3.3V (I/O)	+3.3V (I/O)
60	ACK64#	REQ64#	60	ACK64#	REQ64#
61	+5V	+5V	61	+5V	+5V
62	+5V	+5V	62	+5V	+5V	32-bit end
	Connector Key			Connector Key		64-bit spacer
	Connector Key			Connector Key		64-bit spacer
PCI Pin	5V System Environment		PCI Pin	3.3V System Environment		Comments
PCI Pin	B Side	A Side	PCI Pin	B Side	A Side	Comments
63	Reserved	Ground	63	Reserved	Ground	64-bit start
64	Ground	C/BE[7]#	64	Ground	C/BE[7]#
65	C/BE[6]#	C/BE[5]#	65	C/BE[6]#	C/BE[5]#
66	C/BE[4]#	+5V (I/O)	66	C/BE[4]#	+3.3V (I/O)
67	Ground	PAR64	67	Ground	PAR64
68	AD[63]	AD[62]	68	AD[63]	AD[62]
69	AD[61]	Ground	69	AD[61]	Ground
70	+5V (I/O)	AD[60]	70	+3.3V (I/O)	AD[60]
71	AD[59]	AD[58]	71	AD[59]	AD[58]
72	AD[57]	Ground	72	AD[57]	Ground
73	Ground	AD[56]	73	Ground	AD[56]
74	AD[55]	AD[54]	74	AD[55]	AD[54]
75	AD[53]	+5V (I/O)	75	AD[53]	+3.3V (I/O)
76	Ground	AD[52]	76	Ground	AD[52]
77	AD[51]	AD[50]	77	AD[51]	AD[50]
78	AD[49]	Ground	78	AD[49]	Ground
79	+5V (I/O)	AD[48]	79	+3.3V (I/O)	AD[48]
80	AD[47]	AD[46]	80	AD[47]	AD[46]
81	AD[45]	Ground	81	AD[45]	Ground
82	Ground	AD[44]	82	Ground	AD[44]
83	AD[43]	AD[42]	83	AD[43]	AD[42]
84	AD[41]	+5V (I/O)	84	AD[41]	+3.3V (I/O)
85	Ground	AD[40]	85	Ground	AD[40]
86	AD[39]	AD[38]	86	AD[39]	AD[38]
87	AD[37]	Ground	87	AD[37]	Ground
88	+5V (I/O)	AD[36]	88	+3.3V (I/O)	AD[36]
89	AD[35]	AD[34]	89	AD[35]	AD[34]
90	AD[33]	Ground	90	AD[33]	Ground
91	Ground	AD[32]	91	Ground	AD[32]
92	Reserved	Reserved	92	Reserved	Reserved
93	Reserved	Ground	93	Reserved	Ground
94	Ground	Reserved	94	Ground	Reserved	64-bit end