 |
|
|
|
|
|
|
|
|
|
|
|
|
CPU Installation Diagram |
|
|
 |
|
|
|
CPU Frequency Selection V30-II |
|
|
|
CPU Freq. |
JP13 |
JP14 |
JP15 |
CN12 |
|
75 MHz |
1-2 |
1-2 |
1-2 |
1-3 , 2-4 |
|
90 MHz |
2-3 |
1-2 |
1-2 |
1-3 |
|
100 MHz |
2-3 |
1-2 |
1-2 |
2-4 |
|
120 MHz |
2-3 |
1-2 |
2-3 |
1-3 |
|
133 MHz |
2-3 |
1-2 |
2-3 |
2-4 |
|
150 MHz |
2-3 |
2-3 |
2-3 |
1-3 |
|
166 MHz |
2-3 |
2-3 |
2-3 |
2-4 |
|
|
|
|
JP13 |
ISA Bus Speed Settings |
|
1-2 |
1/3 PCI bus frequency |
|
2-3 |
1/4 PCI bus frequency |
|
|
|
|
Internal CPU Speed Select Settings |
|
|
|
JP14 |
JP15 |
CPU Speed |
|
1-2 |
1-2 |
1.5 x External bus speed |
|
1-2 |
2-3 |
2 x External bus speed |
|
2-3 |
2-3 |
2.5 x External bus speed |
|
|
|
|
External Bus Speed Select Settings |
|
|
|
CN12 |
External Bus Speed |
|
1-3 , 2-4 |
50 MHz |
|
1-3 |
60 MHz |
|
2-4 |
66 MHz |
|
|
|
|
Pentium Bus and CPU Speed Relationships |
|
|
|
Bus Speed |
Multiplier |
CPU Speed |
|
60 |
1.0 (1/1) |
60 |
|
66 |
1.0 (1/1) |
66 |
|
50 |
1.0 (3/2) |
75 |
|
60 |
1.5 (3/2) |
90 |
|
66 |
1.5 (3/2) |
100 |
|
60 |
2.0 (2/1) |
120 |
|
66 |
2.0 (2/1) |
133 |
|
60 |
2.5 (5/2) |
150 |
|
66 |
2.5 (5/2) |
166 |
|
|
