Intel SE7520JR2 Technical Manual page 177

Intel® Server Board SE7520JR2
Pin- PCI Spec
Side Signal
B
96 +5V
95 INTB# This pin will be connected on
the 2U riser to INT_B# of the
bottom PCI slot, INT_A# of the
middle slot and INT_D# of the
top slot.
94 INTD# This pin will be used by 1U/2U
riser to bring the INT_D#
interrupt on the bottom PCI slot
down to the baseboard.
93 +5V
92 GND
91 CLK3 Highest PCI Slot (SLOT3)
90 GND
89 CLK2 Middle PCI Slot (SLOT2)
88 GND
87 REQ2# Middle PCI Slot (SLOT2)
86 GND
85 LECC5
84 GND
83 +3.3V
82 LECC2
81 GND
80 CLK1 Lowest PCI slot (SLOT1)
79 GND
78 REQ1# Lowest PCI slot (SLOT1)
77 +3.3V Was 3.3V or 1.5V
76 AD[31]
75 AD[29]
74 GND
73 AD[27]
72 AD[25]
71 +3.3V
70 C/BE[3]#
69 AD[23]
68 GND
67 AD[21]
66 AD[19]
65 +3.3V
64 AD[17]
63 C/BE[2]#
Revision 1.0
Description Pin-
Side A
96
95
94
93
92
91
90
89
88
87
86
85
84
83
82
81
80
79
78
77
76
75
74
73
72
71
70
69
68
67
66
65
64
63
C78844-002
Connectors and Jumper Blocks
PCI Spec
Signal
INTA# This pin will be connected on the 2U
riser to INT_A# of the bottom PCI
slot, INT_D# of the middle slot and
INT_C# of the top slot.
INTC# This pin will be used by 1U/2U riser
to bring the INT_C# interrupt on the
bottom PCI slot down to the
baseboard.
+5V
GND
REQ3# Highest PCI Slot (SLOT3)
GND
GNT3# Highest PCI Slot (SLOT3)
+5V Was GND
RSVD
+5V Was GND
LECC4
GND Was Vio 3.3V or 1.5V
LECC3
GNT2#
3.3VAUX 3 slots at 375ma
RST#
+3.3V Was VIO 3.3V or 1.5V
GNT1# Lowest PCI slot (SLOT1)
GND
PME#
AD[30]
+3.3V
AD[28]
AD[26]
GND
AD[24]
RSVD Lower slot IDSEL=AD17 Middle
Slot=AD18, Top slot=AD19
+3.3V
AD[22]
AD[20]
GND
AD[18]
AD[16]
+3.3V
Description
177