Intel has severed my original link to this driver, (TY Mark Cannis for letting me know that) so I have uploaded the driver for more reliable access.
"Whew what a relief! Unzipped and opened the file, rebooted, & it took care of my system management bus issue."
The following files are found inside the driver download file.
|layout.bin||651 bytes||18 Aug 1999|
|_user1.hdr||4.4 KB||18 Aug 1999|
|_sys1.cab||175.3 KB||18 Aug 1999|
|README.TXT||16.9 KB||19 Aug 1999|
|_Setup.dll||34.8 KB||29 Sep 1998|
|setup.lid||49 bytes||18 Aug 1999|
|_ISDel.exe||27.6 KB||27 Oct 1998|
|Setup.exe||71.7 KB||2 Oct 1998|
|DATA.TAG||124 bytes||18 Aug 1999|
|data1.hdr||24.7 KB||18 Aug 1999|
|os.dat||450 bytes||27 Jul 1998|
|setup.ins||78.6 KB||18 Aug 1999|
|RelNotes.txt||7.9 KB||19 Aug 1999|
|data1.cab||93.7 KB||18 Aug 1999|
|SETUP.INI||102 bytes||18 Aug 1999|
|_sys1.hdr||4.0 KB||18 Aug 1999|
|_user1.cab||9.3 KB||18 Aug 1999|
|lang.dat||4.7 KB||18 Sep 1998|
|_INST32I.EX_||298.0 KB||2 Oct 1998|
|setup.iss||346 bytes||19 Aug 1999|