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4-2 SPARC Enterprise M4000/M5000 Servers Service Manual • August 2009
TABLE 4-1 lists the FRUs, location and access, and the replacement method.
TABLE 4-1 FRU Replacement Information
FRU FRU Location/Access Removal Method(s)
PCI cassette (PCIe) Rear Active replacement (cfgadm)
Hot replacement
Cold replacement
Hard disk drive (HDD) Front Active replacement (cfgadm)
Hot replacement
Cold replacement
Power supply unit (PSU) Front Active replacement
*
(replacefru)
Hot replacement (replacefru)
Cold replacement
172-mm fans (FAN_A) Top Active replacement
\
(replacefru)
Hot replacement(replacefru)
Cold replacement
60-mm fans (FAN_B) Top Active replacement (replacefru)
Hot replacement (replacefru)
Cold replacement
Tape drive unit (TAPEU) Front Active replacement
Hot replacement
Cold replacement
I/O unit (IOU) Rear Cold replacement
I/O unit DC-DC Converter Rear Cold replacement
I/O unit DDC Riser (DDCR) Rear Cold replacement
CD-RW/DVD-RW Drive Unit (DVDU) Front Hot replacement
Cold replacement
Backplane unit (BPU_A, BPU_B) Top Cold replacement