Four 66-MHz PCI/PCI-X slots are shared in groups of two. Shared slots have many speed and
mode change restrictions during hot-plug add or remove operations. For more information on
PCI/PCI-X card configuration and restrictions, see “PCI/PCI-X/PCIe Configurations” (page 194).
Four of the server PCI/PCI-X slots are not shared. Two of the nonshared slots are 133 MHz
PCI/PCI-X, and two of the slots are 266-MHz PCI/PCI-X. Shared slots have many speed and mode
change restrictions during hot-plug add or remove operations.
Table 2 PCI/PCI-X I/O Rope Groups
Hot Swap /
OL*
FunctionSpeedBitsPCI BusLogical Rope
Numbers
Physical Rope
Numbers
Slot #
NCore I/O (Private)66 MHz641481, 2
YPCI-X 2.0, DDR
(Public)
266 MHz642712, 13, 14,
15 (Quad
Bandwidth)
3
YPCI-X 2.0, DDR
(Public)
266 MHz64334, 5, 6, 7
(Quad
Bandwidth)
4
YHigh-Speed PCI-X
(Public)
133 MHz644610, 11 (Dual
Bandwidth)
5
YHigh-Speed PCI-X
(Public)
133 MHz64522, 3 (Dual
Bandwidth)
6
YGeneral PCI-X
(Public)
66 MHz646597, 8
YGeneral PCI-X
(Public)
66 MHz647119, 10
NUCIO (Private)33 MHz32000-
PCI/PCI-X/PCIe IOBP
On the 10 slot PCI/PCI-X/PCIe IOBP there are a total of eight Public slots (four PCI-X mode 1 and
four PCIe), two Private Fast-core slots (PCI/PCI-X mode 1 64-bit/66-MHz), and one Private Slow-core
UCIO slot (PCI 32-bit/33-MHz). The eight Public slots are further divided into three speed/bandwidth
configurations:
• Two PDHP, which operate at 64-bit/66-MHz PCI-X
• Two PSHP, operating at 64-bit/133-MHz PCI-X
• Four PCIe 8-lane (x8) 2.5 Gbps, two of which are switched
The two 66 MHz PCI/PCI-X slots are shared. Shared slots have many speed and mode change
restrictions during hot-plug add or remove operations.
Table 3 PCI/PCI-X/PCIe I/O Rope Groups
Hot
Swap/OLRFunctionSpeedBits
Logical Rope
Numbers
Physical Rope
NumbersSlot #
NCore I/O (Private)66 MHz64481, 2
NPCIe x8 (Public or Private
depending upon Core
I/O)
2.5 Gbpsx8610, 113, 4
YPCIe x8 (Public)2.5 Gbpsx8712, 13, 14,
15
5
YPCIe x8 (Public)2.5 Gbpsx834, 5, 6, 76
Server Subsystems 19
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