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9086001 - SHARING IRQs may CAUSE UNPREDICTABLE RESULTS



Subject: 9086001 - SHARING IRQs may CAUSE UNPREDICTABLE RESULTS
Updated Netfinity server RETAIN Tip: 

    Record number:       H165698
    Device:              D/T8680
    Model:               M
    Hit count:           UHC00000
    Success count:       USC0000
    Publication code:    PC50
    Tip key:
    Date created:        O98/12/29
    Date last altered:   A99/01/18
    Owning B.U.:         USA


Abstract: 9086001 - SHARING IRQs may CAUSE UNPREDICTABLE RESULTS


SYMPTOM:

When installing a Netfinity ESCON Adapter (M/T 9086-001), unpredictable results may occur if the adapter shares IRQs.

Possible problems could be as follows:


PROBLEM ISOLATION AIDS:



NOTE - The current list of products that have been tested with current models of IBM Netfinity and PC Servers is available at the following URL:

http://www.pc.ibm.com/us/compat/
click on "Host Attach/Mainframe Adapters"


FIX:

Insure that the Netfinity ESCON Adapter has its own dedicated IRQ.
If 2 adapters are installed make sure both have their own dedicated IRQ.

Verify Resources are not shared.


DETAILS:

The Netfinity ESCON Adapter will not share resources.


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