Intel SE7520BD2

Product Overview Intel® Server Board SE7520BD2 Technical Product Specification
24 Revision 1.3
The PCI-X Slot 6 has been modified to allow a third-party add-in riser card. This slot is capable
of being populated with three types of devices:
• Standard PCI 133-MHz compatible add-in card
• 1U/1 Slot PCI-X 2.0 Riser card
• 2U/2 Slot PCI-X 1.0 (PCI-X 100) Riser card
If either of the Riser cards is used, the riser card pin-out must match the slot’s modified PCI-X
2.0 pin-out.
Table 7. Slot 6 PCI-X Pin-out
Slot 6 PCI-X 2.0 Third party Riser
Pin Side B Side A
1 -12V TRST#
2 TCK +12V
3 Ground Riser slot1 clock
4 TDO Riser slot2 clock
5 +5V +5V
6 +5V INTA#
7 INTB# INTC#
8 INTD# +5V
9 PRSNT1# ECC[5]
10 ECC[4] +VI/O (3.3V/1.5V)
11 PRSNT2# ECC[3]
12
13
CONNECTOR KEYWAY
14 ECC[2] 3.3Vaux
15 Ground RST#
16 CLK +VI/O (3.3V/1.5V)
17 Ground GNT#
18 REQ# Ground
19 +VI/O (3.3V/1.5V) PME#
20 AD[31] AD[30]
21 AD[29] +3.3V
22 Ground AD[28]
23 AD[27] AD[26]
24 AD[25] Ground
25 +3.3V AD[24]
26 C/BE[3]# IDSEL
27 AD[23] +3.3V
28 Ground AD[22]
29 AD[21] AD[20]
30 AD[19] Ground
31 +3.3V AD[18]
32 AD[17] AD[16]
33 C/BE[2]# +3.3V