Record number:       H1645
    Device:              D/T6560
    Model:               M
    Hit count:           UHC00000
    Success count:       USC0000
    Publication code:    PC50
    Tip key:
    Date created:        O97/06/09
    Date last altered:   A97/06/11
    Owning B.U.:         USA

    Abstract:  PC340 FILE AND MEMORY ERRORS WITH IBM OBI MEMORY OPTION


  SYMPTOM:
  When two OBI 8MB SIMMs, (OBI 16MB EDO SIMM kit P/N92G7320)
  are added to an IBM PC340 system with two other 8MB SIMMs,
  the system returns a memory size error and recognizes all
  32MB of installed memory.

  On the next boot-up the system returns another memory size
  error and may only recognize 20 or 24MB of installed memory.
  Subsequent reboots will give no post errors. Upon trying to
  load an operating system, the system will return various
  operating system errors.

  In addition to the above symptoms, users may also see one or
  both of the following:

  1) When transferring files over a network using a PCI network
  adapter, the transfer results in unusable files. Failures have
  been confirmed with the OBI SIMMs when used as the only SIMMs
  in the system and when used in combination with other SIMMs. The
  failure DOES NOT occur when using ISA network adapters.

  2) With only two of the affected 8MB SIMMS in an IBM PC340
  system, video is corrupted during POST (ex: IBM logo is
  unrecognizable) and the system hangs with the corrupted
  image on the screen.

  PROBLEM ISOLATION AIDS:
  All failures are seen after installing OBI 16MB EDO SIMM kit
  P/N92G7320 by itself or combined with two other 8MB SIMMs.
  Affected SIMMs will have manufacturing P/N40H8548 and a
  header code of J11XW.

  FIX:
  If the symptoms match as described above, replace the memory
  with FRU P/N92G7321.

  SAS KEYWORDS:
     PSY2               PSY2ERR            PSY2MEM            6560
     PSVP               PC340              92G7320            40H8548
     PSVPERR            PSVPMEM            UNCLASSIFIED       92G7321