Cpu (Slot 0) Board Leds - Sun Microsystems Sun Fire E25K Service Manual

The following configuration rules apply when configuring components of the Sun
Fire E25K/E20K systems:
Note – The CPU/Memory board field-replaceable unit (FRU) is for maintenance use
only. FRUs must not be used to upgrade CPU performance in systems. Usage as
such can violate United States export regulations.
All CPU modules must be the same speed.
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All external cache modules must be the same size.
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When configuring memory:
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8.1

CPU (Slot 0) Board LEDs

CPU Board components and LEDs are listed in
TABLE 8-1
Total Number of CPU Boards
TABLE 8-2
LEDs After Insertion or Initial
Active
off
FIGURE 8-1
8-2 Sun Fire E25K/E20K Systems Service Manual • April 2004
All sockets within a bank must be fully populated.
All DIMM sizes within a bank must be equal.
CPU Board Components
Per System
1-18
CPU Board Valid LED Status
System Power On
Service Remove
off on
illustrates the CPU board and the LED locations.
TABLE 8-1
Total Number of CPU Boards
Per Side
0-9
Component Powered On
Active Service Remove
on off off
and .
TABLE 8-2
Number of LEDs Per
CPU Board
3
Component Powered Off
Active Service Remove
off off on