IBM eServer xSeries 235 Type 8671, Option Installation Manual

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Table 1. Switches 1-8 (continued)
Switch
number
Default value Switch
description
1 Off Reserved.
CAUTION:
Before changing any switch settings or moving any jumpers, turn off the
server; then, disconnect all power cords and external cables. (Review the
information in “Safety” on page v, “Installation Guidelines” on page 9,
“Handling static-sensitive devices” on page 10, and “Turning off the server”
on page 12.)
Note: Any system-board switch or jumper blocks that are not shown in the
illustrations in this book are reserved.
System-board LED locations
The following illustration shows the LEDs on the system board. You might need to
refer to this illustration when solving server problems.
VRM 2 error LED (CR1)
VRM 1 error
LED (CR33)
CPU 2 error LED (CR4)
CPU 1 error
LED (CR24)
CPU mismatch error
LED (CR14)
Power error
LED (CR15)
DIMM 1 error
LED (CR16)
DIMM 2 error
LED (CR17)
DIMM 3 error
LED (CR18)
DIMM 4 error
LED (CR20)
DIMM 5 error
LED (CR22)
DIMM 6 error
LED (CR23)
Service processor
activity LED (CR67)
PCI bus A error
LED (CR66)
PCI-X bus B error
LED (CR68)
PCI-X bus C error
LED (CR76)
PCI-X slot 5 power
LED (CR75)
PCI-X slot 6 power
LED (CR79)
PCI-X slot 5 internal
attention LED (CR73)
PCI-X slot 6 internal
attention LED (CR78)
PCI-X slot 5 external
attention LED (CR74)
PCI-X slot 6 external
attention LED (CR77)
Chapter 1. Introduction
7