Intel SE7520JR2 Technical Manual page 178

Connectors and Jumper Blocks
Pin- PCI Spec
Side Signal
B
62 GND
61 IRDY#
KEYWAY
KEYWAY
60 +3.3V
59 DEVSEL#
58 PCI-XCAP
57 LOCK#
56 PERR#
55 +3.3V
54 SERR#
53 +3.3V
52 C/BE[1]#
51 AD[14]
50 GND
49 AD[12]
47 AD[10]
47 M66EN
46 Mode 2
45 GND
44 AD[08]
43 AD[07]
42 +3.3V
41 AD[05]
40 AD[03]
39 GND
38 AD[01]
37 +3.3V Was Vio 3.3V or 1.5V
36 ACK64#
/ECC1
35 +5V
34 +5V
33 RSVD
32 GND
31 C/BE[6]#
30 C/BE4#
29 GND
28 AD[63]
27 AD[61]
26 V (I/O) 3.3V or 1.5V
25 AD[59]
178
Description Pin-
Side A
62
61
60
59
58
57
56
55
54
53
52
51
50
49
47
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
C78844-002
Intel® Server Board SE7520JR2
PCI Spec
Signal
FRAME#
GND
KEYWAY
KEYWAY
TRDY#
GND
STOP#
+3.3V
SMBD Daisy chain to all slots
SMBCLK Daisy chain to all slots
GND
PAR
/ECC0
AD[15]
+3.3V
AD[13]
AD[11]
GND
AD[09]
C/BE[0]#
+3.3V Was GND
+3.3V
+3.3V
AD[06]
AD[04]
GND
AD[02]
AD[00]
+3.3V Was Vio 3.3V or 1.5V
REQ64#
/ECC6
+5V
+5V
GND
C/BE[7]#
C/BE[5]#
V (I/O) 3.3V or 1.5V
PAR64
/ECC7
AD[62]
GND
AD[60]
AD[58]
Description
Revision 1.0