Sun Microsystems Fire X4600, Manual

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30 Server Migration • August 2009
DIMM Usage
The Sun Fire X4600 CPU Module provides four DIMM slots (TABLE F-2), for a
maximum of two pairs. Here are the specifications and population rules used with
the DIMM slots:
■
Type : DIMMs must be DDR1.
■
Speed : Maximum speed is 200 MHz (DDR1-400).
■
Capacity : 1-GB and 2-GB DIMMs are supported.
■
Matching : DIMMs must be added in pairs, with both DIMMs in a pair having the
same Sun part number.
■
Slot Usage : Every module must have at least one matched pair of DIMMs.
Populate pair 0 (the white slots) first.
TABLE 3
Sun Fire X4600 CPU Module LEDs
Led Color and Meaning
CR5: Module
Fault Amber. Indicates faulty CPU or DIMM.
CR6: CPU Core
VRM On Amber. Indicates power available to CPU.
CR7: DDR
Memory VRM
On Amber. Indicates power available to DIMM slots
CR8: Processor
Failure Amber. Indicates faulty CPU when Fault Remind button is pressed.
DIMM Ejector
Lever LEDs Amber. Indicate faulty DIMMs when Fault Remind button is pressed.
TABLE 4
DIMM Slots in Sun Fire X4600 CPU Module
Slot Color Pair Number
DIMM0 White 0
DIMM0 Black 1
DIMM0 White 0
DIMM0 Black 1