HP rp7440 User Service Guide, Fourth Edition - HP Integrity rx7640 and HP 9000 - Page 31

MHz/33 MHz PCI or 133 MHz/66 MHz PCI-X. Four slots in PCI-X support 266 MHz. All

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Table 1-4 PCI-X Paths Cell 1 Cell PCI-X Slot I/O Chassis Path 1 1 1 1/0/8/1 1 2 1 1/0/10/1 1 3 1 1/0/12/1 1 4 1 1/0/14/1 1 5 1 1/0/6/1 1 6 1 1/0/4/1 1 7 1 1/0/2/1 1 8 1 1/0/1/1 The server supports two internal SBAs. Each SBA provides the control and interfaces for eight PCI-X slots. The interface is through the rope bus (16 ropes per SBA). For each SBA, the ropes are divided in the following manner: • A single rope is routed to support the core I/O boards through LBAs located on the system backplane. • A single rope is routed to an LBA on the PCI backplane to support a slot for PCI and PCI-X cards (slot 8). • Six ropes are bundled into double ropes to three LBAs. They support slots 1, 2, and 7 for PCI and PCI-X mode 1 cards. • Eight fat ropes are bundled into quad ropes to four LBAs. They support slots 3, 4, 5, and 6 for PCI and PCI-X mode 2 cards. NOTE: PCI-X slots 1-7 are dual rope slots while slot 8 is a single rope slot. A rope is defined as a high speed point to point data bus. The PCI-X backplane is the primary I/O interface for the server. It provides 16, 64-bit, hot-plug PCI/PCI-X slots. Fourteen of the slots have dual ropes connected to the LBA chips. The remaining two slots have a single rope connected to each LBA chip. Each of the sixteen slots are capable of 66 MHz/33 MHz PCI or 133 MHz/66 MHz PCI-X. Four slots in PCI-X support 266 MHz. All sixteen PCI slots are keyed for 3.3 volt connectors (accepting both Universal and 3.3 V cards). See Table 1-5 for more details. The PCI-X backplane is physically one board, but it behaves like two independent partitions. SBA 0, its associated LBAs, and eight PCI-X slots form one I/O partition. SBA 1, its associated LBAs, and eight PCI-X slots form the other I/O partition. One I/O partition can be reset separately from the other I/O partition, but cannot be powered down independently. IMPORTANT: Always refer to the PCI card's manufacturer for the specific PCI card performance specifications. PCI, PCI-X mode 1, and PCI-X mode 2 cards are supported at different clock speeds. Select the appropriate PCI-X I/O slot for best performance. Table 1-5 lists the PCI-X slot types supported on the server. Detailed Server Description 31

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Table 1-4 PCI-X Paths Cell 1
Path
I/O Chassis
PCI-X Slot
Cell
1/0/8/1
1
1
1
1/0/10/1
1
2
1
1/0/12/1
1
3
1
1/0/14/1
1
4
1
1/0/6/1
1
5
1
1/0/4/1
1
6
1
1/0/2/1
1
7
1
1/0/1/1
1
8
1
The server supports two internal SBAs. Each SBA provides the control and interfaces for eight
PCI-X slots. The interface is through the rope bus (16 ropes per SBA). For each SBA, the ropes
are divided in the following manner:
•
A single rope is routed to support the core I/O boards through LBAs located on the system
backplane.
•
A single rope is routed to an LBA on the PCI backplane to support a slot for PCI and PCI-X
cards (slot 8).
•
Six ropes are bundled into double ropes to three LBAs. They support slots 1, 2, and 7 for
PCI and PCI-X mode 1 cards.
•
Eight fat ropes are bundled into quad ropes to four LBAs. They support slots 3, 4, 5, and 6
for PCI and PCI-X mode 2 cards.
NOTE:
PCI-X slots 1-7 are dual rope slots while slot 8 is a single rope slot. A rope is defined as
a high speed point to point data bus.
The PCI-X backplane is the primary I/O interface for the server. It provides 16, 64-bit, hot-plug
PCI/PCI-X slots. Fourteen of the slots have dual ropes connected to the LBA chips. The remaining
two slots have a single rope connected to each LBA chip. Each of the sixteen slots are capable of
66 MHz/33 MHz PCI or 133 MHz/66 MHz PCI-X. Four slots in PCI-X support 266 MHz. All
sixteen PCI slots are keyed for 3.3 volt connectors (accepting both Universal and 3.3 V cards).
See
Table 1-5
for more details.
The PCI-X backplane is physically one board, but it behaves like two independent partitions.
SBA 0, its associated LBAs, and eight PCI-X slots form one I/O partition. SBA 1, its associated
LBAs, and eight PCI-X slots form the other I/O partition. One I/O partition can be reset separately
from the other I/O partition, but cannot be powered down independently.
IMPORTANT:
Always refer to the PCI card’s manufacturer for the specific PCI card performance
specifications. PCI, PCI-X mode 1, and PCI-X mode 2 cards are supported at different clock
speeds. Select the appropriate PCI-X I/O slot for best performance.
Table 1-5
lists the PCI-X slot types supported on the server.
Detailed Server Description
31