IBM-AUSTRIA - PC-HW-Support    30 Aug 1999

NETFINITY 7000 OR PC SERVER 704: PERFORMANCE PROBLEMS

    Record number:       H166165
    Device:              D/T8651
    Model:               M
    Hit count:           UHC00000
    Success count:       USC0000
    Publication code:    PC50
    Tip key:
    Date created:        O99/03/26
    Date last altered:   A99/03/26
    Owning B.U.:         USA


Abstract: NETFINITY 7000 OR PC SERVER 704: PERFORMANCE PROBLEMS

TEXT:

Netfinity 7000 & PC Server 704: performance problems

SYMPTOMS:

Performance problems.

PROBLEM ISOLATION AIDS:

•  The system is any of the following IBM servers:

    a Netfinity 7000 server, Type 8651, any Model.
    a Netfinity 704 server, Type 8650, any Model.

•  The system's Diagnostics Pass.
•  The system displays the symptom (above).

FIX:

Reboot the system into the F1 Set-up Utility.
Choose "Advanced" from the top of the screen, then choose "Advanced Chipset Configuration".
Check the setting of "Cache Mode", it must be "Write Back."
If it is set to "Write Thru" then a severe performance issue will be seen on the server and the setting needs to be changed to "Write Back".

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