Intel SE7520JR2 Technical Manual page 182

Connectors and Jumper Blocks
Pin-Side PCI Spec
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]
182
Description Pin-Side
77
76
75
74
73
72
71
70
69
68
67
66
65
64
63
62
61
60
59
58
57
56
55
54
53
52
51
50
49
48
47
46
45
44
43
42
41
40
39
C78844-002
Intel® Server Board SE7520JR2
PCI Spec
A Signal
GNT1# Lowest PCI slot (SLOT1)
Ground
PME1# for passive slots on both passive
and active riser
PME3# active riser only, PME needed per
PCI segment reserved for
passive riser
AD[30] AD[31]
+3.3V
AD[28]
AD[26]
Ground
AD[24]
RSVRD Reserved
+3.3V
AD[22]
AD[20]
Ground
AD[18]
AD[16]
+3.3V
FRAME#
Ground
TRDY#
Ground
STOP#
+3.3V
SMBD Daisy chain to all slots
SMBCLK Daisy chain to all slots
Ground
PAR
AD[15]
+3.3V
AD[13]
AD[11]
Ground
AD[09]
C/BE[0]#
+3.3V
AD[06]
AD[04]
Ground
Description
Revision 1.0