Bug 90345 - nomce explanation is wrong
Summary: nomce explanation is wrong
Alias: None
Product: Red Hat Linux
Classification: Retired
Component: rhl-ig-x86 (Show other bugs)
(Show other bugs)
Version: 9
Hardware: All Linux
Target Milestone: ---
Assignee: Sandra Moore
QA Contact: Sandra Moore
Depends On:
TreeView+ depends on / blocked
Reported: 2003-05-07 11:37 UTC by Alan Cox
Modified: 2014-08-04 22:23 UTC (History)
1 user (show)

Fixed In Version:
Doc Type: Bug Fix
Doc Text:
Story Points: ---
Clone Of:
Last Closed: 2003-05-08 14:05:39 UTC
Type: ---
Regression: ---
Mount Type: ---
Documentation: ---
Verified Versions:
Category: ---
oVirt Team: ---
RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: ---

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Description Alan Cox 2003-05-07 11:37:18 UTC
Description of problem:

The explanation for the use of "nomce" on compaq systems is wrong. The technical
is apparently "Compaq connected the external pin to the wrong value". I guess
the polite/end user summary is 

"Early Compaq pentium machines may need this option because they do not support
processor error checking correctly."

Also btw

"A few other laptops - notably those using the Radeon IGP chipset may need this

Comment 1 Sandra Moore 2003-05-08 14:05:39 UTC
Thanks again for the feedback. I've edited the nomce boot option to read as follows:

This command disables self-diagnosis checks performed on the CPU. The kernel
enables self-diagnosis on the CPU by default (called 'Machine Check Exception').
Early Compaq Pentium systems may need this option as they do not support
processor error checking correctly. A few other laptops, notably those using 
the Radeon IGP chipset, may also need this option.

This correction will appear in the next release of the documentation.


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