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Chipset
Bus scan order
I/O space assigning order within
the I/O Hub (IOH)
Hot-plug
Gen2 width
Slot #
Vendor Type
LSI
SAS 3Gb Gen1x4 3
Cougar2
SAS
RAID
(WASAT)
Emulex 4G-FCx1 Gen 1x8 8
4G-FCx2 Gen 1x8 8
8G-FCx1 Gen 2x8 8
8G-FCx2 Gen 2x8 8
FCoE
Intel
GbEx1
GbEx2
GbEx4
10GbEx2 Gen 2x8 8
Table 9: Expansion card installation recommendation I/O Hubs IOH#3 and IOH#4
*1) The SAS RAID controller shall not be installed in PCIe slot #1 to #7 on the
PCI Riser when a BBU is connected because of limited length of the BBU cable.
*2) The Quad LAN card consumes twice as much I/O space as a standard
expansion card because it includes a bridge within the card. If you install this
card into slot#1 or slot#2, no I/O resource will be assigned to the onboard GbE
controller.
D3081, D3131, D3082 (RX900 S1)
PCIe
Max #
Gen 2x8 1
Gen 2x8 2
Gen 2x8 8
Gen 1x4 8
Gen 1x4 8
Gen 1x4 8
Technical Manual
IOH#3
12 11 10 9
1
2
y
y
y
y
x8 x8 x8 x8 x8 x8 x8 x8 x4
9
10 11 12 13 14 15 16 17
x
x
x
x
x
x
x
x
x
x
2
2
2
2
2
2
2
2
2
2
2
2
x
x
x
x
x
x
x
x
3
3
3
3
3
3
3
3
Features
IOH#4
17 16 15 14 13
1
2
n
n
n
n
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
n
x
x
41
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