Sun Fire[tm] E4900 Server: Repair Procedures
This section provides the most common repair procedures for the
Sun Fire E4900, which are included in the  Sun
Fire E6900/E4900 Systems Service Manual (817-4120).
Clustered Hardware Note: When repairing a clustered system,
you should replace server components by first switching over the data services
to the functioning server, halting the host to be serviced, powering down the
host, and then performing the hardware procedure to replace the component. Following
the procedure, the logical hosts should be switched back to the default masters.
The following table provides the page numbers for each procedure.
| Component |
Page
|
Tips |
| AC Input Box |
4-11
|
|
| Air Intake Screen |
12-3
|
- Periodic maintenance requires the air intake screen be inspected and/or
cleaned once every 3 months. Have spare air intake screens onsite so
that replacements are available when needed for cleaning.
|
| Centerplane (System) |
11-13
|
|
| CPU/Memory Board |
8-6
|
- Sun Fire 4800/E4900/6800/E6900 systems with US-IV+ boards have restrictions which limit the number of domains.
(FAB 1000283.1).
- The Vcore setting for UltraSPARC IV 1350MHz boards should be
1.25V, but some earlier releases of firmware will power on
and operate the board at an incorrect voltage.
(FIN I1166-1).
|
| CPU/Memory Board EMI Spring Finger Clip |
8-16
|
|
| Fan Tray |
6-4
|
|
| ID Board |
11-24
|
|
| Memory |
8-11
|
- On certain Sun Systems a small number of 512MB and 1GB Micron DIMMs may experience premature failures with Uncorrectable Memory Error (UE) messages. (FAB 1000920.1) (formerly FCO A0285-1)
|
| PCI I/O Assembly |
9-7
|
- The QFE network interface is reporting excessive input packet
errors when running back to back stress tests. (FIN I1138-1).
|
| PCI Card |
9-10
|
|
| Power Supply |
4-6
|
|
| Repeater Board |
10-6
|
|
| System Controller Board |
7-7
|
|
|
