IBM 86884RX Installation Guide - Page 66

Two 64-bit 3.3 V PCI or PCI-X, 33 or 66 MHz adapters, The rated speed of adapter 1 in the bus

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Bus: C Slot: 6 5 RXE Expansion Port B A 43 21 Figure 3-6 RXE-100 PCI-X expansion board (six slots) For each of the three buses (A, B, C), one of the following can be installed: One 64-bit 3.3 V PCI-X 133 MHz adapter (in the odd-numbered slot), running at up to 133 MHz Two 64-bit 3.3 V PCI-X 133 MHz adapters running at up to 100 MHz Two 64-bit 3.3 V PCI or PCI-X, 33 or 66 MHz adapters Note: The PCI slots support 3.3 V adapters only. 5.0 V adapters are not supported. Like the x450, these slots can accept adapters rated at speeds ranging from 33 MHz to 133 MHz. When deciding which adapters to put in which slots, consider the following: Each adapter has a maximum rated speed. Each bus also has a maximum rated speed. Installed adapters will operate at the slowest of three speeds: - The rated speed of adapter 1 in the bus - The rated speed of adapter 2 in the bus - The rated speed of the bus 32-bit adapters can be installed in any of the slots and will run in 32-bit mode. 32-bit and 64-bit adapters can coexist in 64-bit slots in the same bus. The 32-bit adapters will run in 32-bit mode, and the 64-bit adapters will run in 64-bit mode. 52 IBM ^ xSeries 450 Planning and Installation Guide

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52
IBM
^
xSeries 450 Planning and Installation Guide
Figure 3-6
RXE-100 PCI-X expansion board (six slots)
For each of the three buses (A, B, C), one of the following can be installed:
±
One 64-bit 3.3 V PCI-X 133 MHz adapter (in the odd-numbered slot), running
at up to 133 MHz
±
Two 64-bit 3.3 V PCI-X 133 MHz adapters running at up to 100 MHz
±
Two 64-bit 3.3 V PCI or PCI-X, 33 or 66 MHz adapters
Like the x450, these slots can accept adapters rated at speeds ranging from 33
MHz to 133 MHz. When deciding which adapters to put in which slots, consider
the following:
±
Each adapter has a maximum rated speed. Each bus also has a maximum
rated speed.
±
Installed adapters will operate at the slowest of three speeds:
–
The rated speed of adapter 1 in the bus
–
The rated speed of adapter 2 in the bus
–
The rated speed of the bus
±
32-bit adapters can be installed in any of the slots and will run in 32-bit mode.
32-bit and 64-bit adapters can coexist in 64-bit slots in the same bus. The
32-bit adapters will run in 32-bit mode, and the 64-bit adapters will run in
64-bit mode.
Note:
The PCI slots support 3.3 V adapters only. 5.0 V adapters are not
supported.
1
2
3
4
5
6
C
Slot:
Bus:
B
A
RXE Expansion Port