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IBM-AUSTRIA - PC-HW-Support 30 Aug 1999 |
ECA 051 - 8580 system board
ECA 051 - 8580 system board
Intermittent OS/2 trap errors/NMI on 25 MHz model 80 units
PURPOSE:
To provide a replacement system board for 25 MHz 8580
systems with "8 megabytes" of system board memory installed,
which are experiencing intermittent planar memory parity
errors, such as OS/2 trap 0002, or NMI errors on other
complex operating systems.
AFFECTED systems
8580 models A21, A61 and A16
PHYSICAL check:
Examine the "modules" in position "U24" and "U34" located near
J8 and J9, the system board memory sockets. If the "modules"
are identified with "FC841" the system board should be
replaced using this ECA:.
"modules" identified with "FC841 are good and the system board
does not qualify for this ECA:.
Information printed on the base card should be ignored and
only information printed on the "module" should be used for
making this physical check.
DETAIL:
Intermittent TRAP 0002 errors may be experienced on 25 MHz
8580 systems running OS/2 due to a timing condition on the
system planar. Other complex operating systems may
experience NMI or other errors depending upon the
characteristics of the operating system.
NOTEs:
This ECA only applies to the 25 MHz 8580 models listed above,
which have the affected "module" numbers in position "U24" and
"U34", other 8580 models are not affected and are not eligible
for this ECA:.
Order the current level system board FRU P/N 85F0046, using
normal parts ordering procedures.
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