Intel SE7520JR2 manual 182

Connectors and Jumper Blocks Intel® Server Board SE7520JR2

Pin-Side	PCI Spec	Description
B	Signal
77	+3.3V	Was Vio 3.3V or 1.5V
76	PME2#	active riser only, PME needed
		per PCI segment, reserved for
		passive riser
75	AD[31]
74	AD[29]
73	Ground
72	AD[27]
71	AD[25]
70	+3.3V
69	C/BE[3]#
68	AD[23]
67	Ground
66	AD[21]
65	AD[19]
64	+3.3V
63	AD[17]
62	C/BE[2]#
61	Ground
60	IRDY#
59	+3.3V
58	DEVSEL#
57	PCI-XCAP
56	LOCK#
55	PERR#
54	+3.3V
53	SERR#
52	+3.3V
51	C/BE[1]#
50	AD[14]
49	Ground
48	AD[12]
47	AD[10]
46	M66EN
45	Ground
44	Ground
43	AD[08]
42	AD[07]
41	+3.3V
40	AD[05]
39	AD[03]

Pin-Side	PCI Spec	Description
A	Signal
77	GNT1#	Lowest PCI slot (SLOT1)
76	Ground
75	PME1#	for passive slots on both passive
		and active riser
74	PME3#	active riser only, PME needed per
		PCI segment reserved for
		passive riser
73	AD[30]	AD[31]
72	+3.3V
71	AD[28]
70	AD[26]
69	Ground
68	AD[24]
67	RSVRD	Reserved
66	+3.3V
65	AD[22]
64	AD[20]
63	Ground
62	AD[18]
61	AD[16]
60	+3.3V
59	FRAME#
58	Ground
57	TRDY#
56	Ground
55	STOP#
54	+3.3V
53	SMBD	Daisy chain to all slots
52	SMBCLK	Daisy chain to all slots
51	Ground
50	PAR
49	AD[15]
48	+3.3V
47	AD[13]
46	AD[11]
45	Ground
44	AD[09]
43	C/BE[0]#
42	+3.3V
41	AD[06]
40	AD[04]
39	Ground

182	Revision 1.0
	C78844-002