A new update is available for Fedora Core - Fedora Core 4 Update: x86info-1.17-1.13. Here the announcement:

Fedora Update Notification
FEDORA-2005-1051
2005-11-04
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Product : Fedora Core 4
Name : x86info
Version : 1.17
Release : 1.13
Summary : x86 processor information tool.
Description :
x86info displays diagnostic information about x86 CPU's, such
as cache configuration and supported features.

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* Fri Nov 4 2005 Dave Jones <davej@redhat.com>
- Update to 1.17


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This update can be downloaded from:
http://download.fedora.redhat.com/pub/fedora/linux/core/updates/4/

f8a6437a7b2a89dcbd136ab4e3ebd23d SRPMS/x86info-1.17-1.13.src.rpm
7b430b028fa293f98e568f90f489f1c0 x86_64/x86info-1.17-1.13.x86_64.rpm
0b8815c5a053371bf03c2b59e83bc1a9 x86_64/debug/x86info-debuginfo-1.17-1.13.x86_64.rpm
8c8d93ac31b98b7f63e79525cdf49038 i386/x86info-1.17-1.13.i386.rpm
af24fcef4b04335c98ba498e9c53623e i386/debug/x86info-debuginfo-1.17-1.13.i386.rpm

This update can also be installed with the Update Agent; you can
launch the Update Agent with the 'up2date' command.