| |
CPU FSB, multiplier and voltage selection
| CPU |
Core (MHz) |
Bus (MHz) |
Multiplier |
Core (V) |
| AMD K5 |
| K5 PR90 |
90 |
60 |
1.5x |
3.52V |
| K5 PR100 |
100 |
66 |
1.5x |
3.52V |
| K5 PR120 |
90 |
60 |
1.5x |
3.52V |
| K5 PR133 |
100 |
66 |
1.5x |
3.52V |
| K5 PR 166 |
116 |
66 |
1.75x |
3.52V |
| AMD K6 |
| K6 166 |
166 |
66 |
2.5x |
2.9V |
| K6 200 |
200 |
66 |
3.0x |
2.9V |
| K6 233 |
233 |
66 |
3.5x |
3.2V |
| K6 266 |
266 |
66 |
4.0x |
2.2V |
| K6 300 |
300 |
66 |
4.5x |
2.2V |
| AMD K6-2 |
| K6-2 266 |
266 |
66 |
4.0x |
2.2V |
| K6-2 300 |
300 |
100 |
3.0x |
2.2V |
| K6-2 333 |
333 |
95 |
3.5x |
2.2V |
| K6-2 350 |
350 |
100 |
3.5x |
2.2V |
| K6-2 366 |
366 |
66 |
5.5x |
2.2V |
| K6-2 380 |
380 |
95 |
4.0x |
2.2V |
| AMD K6-2 APR |
| K6-2 300 [66] |
300 |
66 |
4.5x |
2.2V |
| K6-2 333 [66] |
333 |
66 |
5.0x |
2.2V |
| K6-2 366 [66] |
333 |
66 |
5.5x |
2.2V |
| AMD K6-2 CXT |
| K6-2 400 |
400 |
100 |
4.0x |
2.2V |
| K6-2 450 |
450 |
100 |
4.5x |
2.2V |
| K6-2 450 |
450 |
100 |
4.5x |
2.4V |
| K6-2 475 |
475 |
95 |
5.0x |
2.2V |
| K6-2 475 |
475 |
95 |
5.0x |
2.4V |
| K6-2 500 |
500 |
100 |
5.0x |
2.2V |
| K6-2 533 |
533 |
97 |
5.5x |
2.2V |
| K6-2 550 |
550 |
100 |
5.5x |
2.3V |
| AMD K6-III |
| K6-III 400 |
400 |
100 |
4.0x |
2.4V |
| K6-III 450 |
450 |
100 |
4.5x |
2.4V |
| intel Pentium (P5) |
| P5 60 |
60 |
60 |
x1.0 |
5.0V |
| P5 66 |
66 |
66 |
x1.0 |
5.0V |
| intel Pentium (P54) |
| P54C 75 |
75 |
50 |
1.5x |
3.45V |
| P54C 90 |
90 |
60 |
1.5x |
3.45V |
| P54C 100 |
100 |
66 |
1.5x |
3.45V |
| P54C 120 |
120 |
60 |
2.0x |
3.45V |
| P54C 133 |
133 |
66 |
2.0x |
3.45V |
| P54C 150 |
150 |
60 |
2.5x |
3.45V |
| P54C 166 |
166 |
66 |
2.5x |
3.45V |
| P54C 200 |
200 |
66 |
3.0x |
3.45V |
| intel Pentium MMX (P55) |
| P55 150 |
150 |
60 |
2.5x |
2.8V |
| P55 166 |
166 |
66 |
2.5x |
2.8V |
| P55 200 |
200 |
66 |
3.0x |
2.8V |
| P55 233 |
233 |
66 |
3.5x |
2.8V |
| Cyrix 6x86 |
| P150+ |
120 |
60 |
2.0x |
3.52V |
| P166+ |
133 |
66 |
2.0x |
3.52V |
| P200+ |
150 |
75 |
2.0x |
3.52V |
| Cyrix 6x86L |
| P150+ |
120 |
60 |
2.0x |
2.8V |
| P166+ |
133 |
66 |
2.0x |
2.8V |
| P200+ |
150 |
75 |
2.0x |
2.8V |
| Cyrix M2 |
| MII PR166 |
150 |
60 |
2.5x |
2.9V |
| MII PR166 |
133 |
66 |
2.0x |
2.9V |
| MII PR200 |
166 |
66 |
2.5x |
2.9V |
| MII PR200 |
150 |
75 |
2.0x |
2.9V |
| MII PR233 |
200 |
66 |
3.0x |
2.9V |
| MII PR233 |
188 |
75 |
2.5x |
2.9V |
| MII PR233 |
166 |
83 |
2.0x |
2.9V |
| MII PR266 |
233 |
66 |
3.5x |
2.9V |
| MII PR266 |
208 |
83 |
2.5x |
2.9V |
| MII-300+ |
233 |
66 |
3.5x |
2.9V |
| MII-333GP |
250 |
83 |
3.0x |
2.9V |
| MII 333 |
250 |
83 |
3.0x |
2.2V |
| MII 366GP |
250 |
100 |
2.5x |
2.9V |
| MII 366 |
250 |
100 |
2.5x |
2.2V |
| MII 400 |
285 |
95 |
3.0x |
2.2V |
| MII 433 |
300 |
100 |
3.0x |
2.2V |
| IDT C6 |
| C6 150 |
150 |
75 |
2.0x |
3.45V |
| C6 180 |
180 |
60 |
3.0x |
3.45V |
| C6 200 |
200 |
66 |
3.0x |
3.45V |
| C6 225 |
225 |
75 |
3.0x |
3.45V |
| C6 240 |
240 |
60 |
4.0x |
3.45V |
| IDT W2 |
| W2-200 |
200 |
66 |
3.0x |
3.52V |
| W2-225 |
225 |
75 |
3.0x |
3.52V |
| W2-240 |
240 |
60 |
4.0x |
3.52V |
| W2-266 |
266 |
66 |
4.0x |
3.52V |
| IDT W2A |
| W2A-PR200 |
200 |
66 |
3.0x |
3.3V |
| W2A-PR233 |
233 |
66 |
3.5x |
3.3V |
| W2A-PR266 |
233 |
100 |
2.33x |
3.3V |
| W2A-PR300 |
250 |
100 |
2.5x |
3.3V |
| Rise mP6 |
| mP6 PR166 |
166 |
83 |
2.0x |
2.8V |
| mP6 PR233 |
190 |
95 |
2.0x |
2.8V |
| mP6 PR266 |
200 |
100 |
2.0x |
2.8V |
| mP6 PR333 |
240 |
95 |
2.5x |
2.8V |
| mP6 PR366 |
250 |
100 |
2.5x |
2.8V |
| CPU |
P54C 75..100 |
P54C 133..166 |
P54C 166..200 |
P55 MMX |
P55 MMX |
P55 mobile |
K5-0 .. PR133 |
K5-1 K5-2 |
K6 |
K6-2 |
K6-2 CXT |
K6-3 |
Cyrix 6x86L |
Cyrix 6x86MX |
Cyrix MII |
IDT C6 |
IDT W2 |
IDT W2A |
Rise mP6 |
| CPUID |
5-2-4 |
5-2-X |
5-2-C |
5-4-X |
5-4-3 and up |
5-8-x |
5-0-X |
5-1-X 5-2-X |
5-6-X 5-7-X |
5-8-X |
5-8-0C |
5-9-X |
5-2-0 |
6-0-0 |
6-0-1 |
5-4-x |
5-8-5 |
5-8-7 and up |
5-0-4 |
| socket 5 w/o BF0 |
| xxx |
CPU |
1,5 |
1,5 |
2,0 |
2,0 |
|
1,5 |
1,5 |
3,5 |
3,5 |
3,5 |
3,5 |
2,0 |
2,0 |
3,0 |
4,0 |
4,0 |
3,5 |
2,0 |
| socket 5 w/ BF0 (pin y33) |
| xx0 |
CPU |
2,0 |
2,0 |
2,0 |
2,0 |
|
2,0 |
1,5 |
2,0 |
2,0 |
6,0 |
6,0 |
2,0 |
2,0 |
2,5 |
2,0 |
CPU |
3,33 |
2,0 |
| xx1 |
1,5 |
1,5 |
1,5 |
1,5 |
3,5 |
|
1,5 |
1,5 |
3,5 |
3,5 |
3,5 |
3,5 |
3,0 |
3,5 |
3,0 |
4,0 |
4,0 |
3,5 |
3,5 |
| socket 7 w/ BF1..0 (pin x34/y33) |
| x00 |
CPU |
2,0 |
2,5 |
2,5 |
2,5 |
|
2,0 |
1,75 |
2,5 |
2,5 |
2,5 |
2,5 |
2 |
2,5 |
2,5 |
2,0 |
CPU |
2,5 |
2,5 |
| x01 |
1,5 |
1,5 |
3,0 |
3,0 |
3,0 |
|
1,5 |
2,0 |
3,0 |
3,0 |
3,0 |
3,0 |
3,0 |
3,0 |
3,0 |
3,0 |
3,0 |
3,0 |
3,0 |
| x10 |
CPU |
2,0 |
2,0 |
2,0 |
2,0 |
|
2,0 |
1,5 |
2,0 |
2,0 |
6,0 |
6,0 |
2,0 |
2,0 |
2,0 |
2,0 |
CPU |
3,33 |
2,0 |
| x11 |
1,5 |
1,5 |
1,5 |
1,5 |
3,5 |
|
1,5 |
1,5 |
3,5 |
3,5 |
3,5 |
3,5 |
3 |
3,5 |
3,5 |
4,0 |
4,0 |
3,5 |
3,5 |
| super socket 7 w/ BF2..0 (pin w35/x34/y33) |
| 000 |
CPU |
2,0 |
2,5 |
2,5 |
2,5 |
2,5 |
2,0 |
1,75 |
2,5 |
2,5 |
2,5 |
2,5 |
2,0 |
2,5 |
2,5 |
2,0 |
CPU |
2,5 |
2,5 |
| 001 |
1,5 |
1,5 |
3,0 |
3,0 |
3,0 |
3,0 |
1,5 |
2,0 |
3,0 |
3,0 |
3,0 |
3,0 |
3,0 |
3,0 |
3,0 |
3,0 |
3,0 |
3,0 |
3,0 |
| 010 |
CPU |
2,0 |
2,0 |
2,0 |
2,0 |
2,0 |
2,0 |
1,5 |
2,0 |
2,0 |
6,0 |
6,0 |
2,0 |
2,0 |
2,0 |
2,0 |
CPU |
3,33 |
2,0 |
| 011 |
1,5 |
1,5 |
1,5 |
1,5 |
3,5 |
3,5 |
1,5 |
1,5 |
3,5 |
3,5 |
3,5 |
3,5 |
3,0 |
3,5 |
3,5 |
4,0 |
4,0 |
3,5 |
3,5 |
| 100 |
CPU |
2,0 |
2,5 |
2,5 |
2,5 |
4,0 |
2,0 |
1,75 |
4,5 |
4,5 |
4,5 |
4,5 |
2,0 |
2,5 |
4,0 |
4,0 |
4,0 |
4,5 |
2,5 |
| 101 |
1,5 |
1,5 |
3,0 |
3,0 |
3,0 |
4,5 |
1,5 |
2,0 |
5,0 |
5,0 |
5,0 |
5,0 |
3,0 |
3,0 |
1,0 |
5,0 |
5,0 |
2,33 |
3,0 |
| 110 |
CPU |
2,0 |
2,0 |
2,0 |
2,0 |
|
2,0 |
1,5 |
4,0 |
4,0 |
4,0 |
4,0 |
2,0 |
2,0 |
4,0 |
4,0 |
CPU |
4,0 |
2,0 |
| 111 |
1,5 |
1,5 |
1,5 |
1,5 |
3,5 |
|
1,5 |
1,5 |
5,5 |
5,5 |
5,5 |
5,5 |
3,0 |
3,5 |
1,0 |
5,0 |
5,0 |
2,66 |
3,5 |
| |
ID switches 53h to 55h ! |
| x00 |
BF2-BF1-BF0 |
CPU |
CPU not starting |
|
|
