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