Overclocking

© www.tomshardwareguide.com
AMD K7 Athlon

While debug port usage of K7 (slot version) deals mainly with GFD's (Golden Finger Devices) this method modifies resistors on the K7 PCB. So you'll have to open the CPU package to get these modifications running.

R155 / 156 / 157 / 158 frequency selection (BP FID)
R121 / 122 / 123 / 3 frequency selection (core FID)
R4 / 5 / 6 / 124 frequency selection (BP FID)
R148 / 150 / 151 / 153 voltage selection (VID)





0 no resistor / 1 resistor 101 (1kOhm) / 2 resistor 102 (100Ohm)

MHz  R155  R156  R157  R158  R121  R122  R123  R3  R124  R4  R5  R6 
500 1 0 1 1 0 1 0 0 1 1 0 1
550 1 0 1 0 0 1 0 1 0 1 0 1
600 1 0 0 1 1 1 0 0 1 1 0 0
650 1 0 0 0 1 1 0 1 0 1 0 0
700 0 1 1 1 0 0 1 0 1 0 1 1
750 0 1 1 0 0 0 1 1 0 0 1 1
800 0 1 0 1 1 0 1 0 1 0 1 0
850 0 1 0 0 1 0 1 1 0 0 1 0
900 0 0 1 1 0 1 1 0 1 0 0 1
950 0 0 1 0 0 1 1 1 0 0 0 1
1000 0 0 0 1 1 1 1 0 1 0 0 0
1050 0 0 0 0 1 1 1 1 0 0 0 0

Vcc core R148 R150 R151 R153
1.30V 0 0 0 0
1.35V 2 0 0 0
1.40V 0 2 0 0
1.45V 2 2 0 0
1.50V 0 0 2 0
1.55V 2 0 2 0
1.60V 0 2 2 0
1.65V 2 2 2 0
1.70V 0 0 0 2
1.75V 2 0 0 2
1.80V 0 2 0 2
1.85V 2 2 0 2
1.90V 0 0 2 2
1.95V 2 0 2 2
2.00V 0 2 2 2
2.05V 2 2 2 2
For Vcc core see AMD Athlon processor data sheet 21016.pdf page 25

L2 Cache
Ratio R101 R102 R103 R104 R106 R107
1/2 1 0 0 1 1 0
1/3 1 0 1 0 0 1
? 0 1 0 1 1 0
? 0 1 1 0 0 1