HP rp8440 Site Preparation Guide, Fourth Edition - HP Integrity rx8640, HP 900 - Page 26

Table 1-7 PCI-X Slot Boot Paths Cell 1

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Table 1-7 PCI-X Slot Boot Paths Cell 1 (continued) Cell PCI Slot Ropes 1 4 14/15 1 5 6/7 1 6 4/5 1 7 2/3 1 8 1 Path 1/0/14/1/0 1/0/6/1/0 1/0/4/1/0 1/0/2/1/0 1/0/1/1/0 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 (3) 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 (4) 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. Each of the 16 slots is capable of 33 MHz/66 MHz PCI or 66 MHz/133 MHz PCI-X. Four slots in PCI-X support 266 MHz. All 16 PCI slots are keyed for 3.3 V connectors (accepting both Universal and 3.3 V cards). The PCI-X backplane does not provide any 5 V slots for the I/O cards. Table 1-8 summarizes the PCI-X slot types. The PCI-X backplane is physically one board, yet it behaves like two independent partitions. SBA 0 and its associated LBAs and eight PCI-X slots form one I/O partition. SBA 1 and 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. 26 HP Integrity rx8640 and HP 9000 rp8440 Server Overview

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Table 1-7 PCI-X Slot Boot Paths Cell 1
(continued)
Path
Ropes
PCI Slot
Cell
1/0/14/1/0
14/15
4
1
1/0/6/1/0
6/7
5
1
1/0/4/1/0
4/5
6
1
1/0/2/1/0
2/3
7
1
1/0/1/1/0
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 (3) 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 (4) 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.
Each of the 16 slots is capable of 33 MHz/66 MHz PCI or 66 MHz/133 MHz PCI-X. Four slots in
PCI-X support 266 MHz. All 16 PCI slots are keyed for 3.3 V connectors (accepting both Universal
and 3.3 V cards). The PCI-X backplane does not provide any 5 V slots for the I/O cards.
Table 1-8
summarizes the PCI-X slot types.
The PCI-X backplane is physically one board, yet it behaves like two independent partitions.
SBA 0 and its associated LBAs and eight PCI-X slots form one I/O partition. SBA 1 and 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.
26
HP Integrity rx8640 and HP 9000 rp8440 Server Overview