System Type: Dimension 2400, PROCESSOR, 80531, 2.4G, 128K, 400, CELERON, DECISION ONE

Operating System:Windows XP, Home Edition

I get error code 0700.0120 no L1 cache detected when diagnostics Cd run.

 After selecting "Yes"to continue get message "System Error" -Illegal attempt to disable Intel ICH SMI without restoring original values first.

After clicking on OK,

System exits diagnostic mode and I am unable to fix problem