Sun Microsystems, Inc.   Sun System Handbook - ISO 4.1 October 2012 Internal/Partner Edition
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DC Power Distribution Board

341-3166 341-3167 501-7697 501-7951 541-2073
Blue Gnd Bus Bar
Red +12 Bus Bar
Horizontal PDB
Vertical PDB
PDB Assembly/FRU
341-3166 341-3167 511-1603 501-7951 541-4370
Blue Gnd Bus Bar
Red +12 Bus Bar
Horizontal PDB
March 2010
Vertical PDB
PDB Assembly/FRU
March 2010

Horizontal PDB 501-7697 / 511-1603

Vertical PDB 501-7951

Notes

  1. PDB <= 501-7697-05 may cause intermittant DVD operation.
  2. PDB 501-7697-06 changes firmware reset timing for proper DVD operation.
  3. PDB 501-7697-09 changes firmware to resolve BugID 6806680.
  4. Access to the Sun Fire X4250 System Board busbar screws is blocked by the CPU0 Heatsink.
    Removal of the CPU0 Heatsink during the PDB replacement procedure is required.
    Clean and re-grease the Heatsink with Thermal Grease Kit F350-1271-01.
    The kit includes Cleaning Wipe 250-1802 and ShinEtsu X23-7783D Thermal Grease syringe 310-0065.
    The kit is not included with the PDB.
  5. PDB 511-1603 only supports a SATA DVD. A PATA DVD is not supported.

SPARC Enterprise T5220 and T5240 Notes

  1. Program the chassis serial number into a replacement PDB using the setscn command.
    Reference the Service Manual.
    See also How To article 1011586.1.

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