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Chipset
Bus scan order
I/O space assignment order within the
I/O Hub (IOH)
Hot-plug
Gen2 width
Slot #
Vendor
Type
Mellanox IB-QDRx1
IB-QDRx2
Fusion-
ioDRIVE
IO
(*3)
ioDRIVE
(*4)
Table 8: Expansion card installation recommendation I/O Hubs IOH#1 and IOH#2
*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) No mix with FC controller possible.
*3) Capacity: 160 GB, 320 GB, 640 GB
*4) Capacity: 320 GB, 640 GB, 1280 GB
Chipset
Bus scan order
I/O space assignment order within the
I/O Hub (IOH)
Hot-plug
Gen2 width
Slot #
Vendor
Type
LSI
SAS 3Gb
SAS 6Gb
Cougar2
SAS RAID
(WASAT)
Table 9: Expansion card installation recommendation I/O Hubs IOH#3 and IOH#4
D3144, D3145, D3146 (RX900 S2)
PCIe
Max #
Gen2 x8
2
Gen2 x8
2
Gen1 x4
4
Gen1 x4
4
12
x8
PCIe
Max #
Gen1 x4
3
Geb 2 x6
3
Gen 2 x8
1
Gen 2 x8
2
Technical Manual
IOH#1
3
2
1
5
1
2
3
4
n
n
n
n
x8
x8
x8
x8
1
2
8
3
x
x
x
x
x
x
x
x
x
x
x
x
IOH#3
11
10
9
1
2
y
y
y
y
x8
x8
x8
9
10
11
12
x
x
x
x
1
1
Features
IOH#2
6
4
7
3
2
n
n
n
x8
x4
x8
4
5
6
x
x
x
x
x
x
x
x
x
x
IOH#4
17
16
15
14
1
2
n
n
n
n
x8
x8
x8
x8
13
14
15
16
x
x
x
x
x
x
8
1
n
x8
7
x
x
x
x
13
n
x4
17
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