FSB auto-detection in Athlon XP
The following report is applicable the Barton, Thoroughbred and Thorton
However, my presumed part is contained. Please confirm for yourself.
Automatically detect the FSB setting
These pins may be used to automatically detect the front-side bus (FSB) setting of this processor.
| FSB | FSB_Sense[1] | FSB_Sense[0] | Note |
| AH31 | AG31 | ||
| 100 or 133 MHz | : | : | |
| 133 MHz | : | C | |
| 167 MHz | C | : | |
| 200 MHz | C | C |
: = Open circuit (logic level of 1)
C = Pull down to GND (logic level of 0)
FSB_Sense[1:0] controls
OFF= Open circuit (logic level of 1)
ON= Pull down to GND (logic level of 0)
FSB_Sense[1:0] ( AH30,AG31pin )
reference
- AMD http://www.amd.com/
- AMD Athlon XP Processor Model 10 Data Sheet 26237.pdf
- 2003/05/20 - 2004/01/19
Copyright 2002 ita. All rights reserved. Never reproduce or republicate without written permission.
