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Connectors and Jumper Blocks Intel® Server Board SE7520JR2
Revision 1.0
C78844-002
182
Pin-Side
B
PCI Spec
Signal
Description Pin-Side
A
PCI Spec
Signal
Description
77 +3.3V Was Vio 3.3V or 1.5V 77 GNT1# Lowest PCI slot (SLOT1)
76 PME2# active riser only, PME needed
per PCI segment, reserved for
passive riser
76 Ground
75 AD[31] 75 PME1# for passive slots on both passive
and active riser
74 AD[29] 74 PME3# active riser only, PME needed per
PCI segment reserved for
passive riser
73 Ground 73 AD[30] AD[31]
72 AD[27] 72 +3.3V
71 AD[25] 71 AD[28]
70 +3.3V 70 AD[26]
69 C/BE[3]# 69 Ground
68 AD[23] 68 AD[24]
67 Ground 67 RSVRD Reserved
66 AD[21] 66 +3.3V
65 AD[19] 65 AD[22]
64 +3.3V 64 AD[20]
63 AD[17] 63 Ground
62 C/BE[2]# 62 AD[18]
61 Ground 61 AD[16]
60 IRDY# 60 +3.3V
59 +3.3V 59 FRAME#
58 DEVSEL# 58 Ground
57 PCI-XCAP 57 TRDY#
56 LOCK# 56 Ground
55 PERR# 55 STOP#
54 +3.3V 54 +3.3V
53 SERR# 53 SMBD Daisy chain to all slots
52 +3.3V 52 SMBCLK Daisy chain to all slots
51 C/BE[1]# 51 Ground
50 AD[14] 50 PAR
49 Ground 49 AD[15]
48 AD[12] 48 +3.3V
47 AD[10] 47 AD[13]
46 M66EN 46 AD[11]
45 Ground 45 Ground
44 Ground 44 AD[09]
43 AD[08] 43 C/BE[0]#
42 AD[07] 42 +3.3V
41 +3.3V 41 AD[06]
40 AD[05] 40 AD[04]
39 AD[03] 39 Ground