| BIOS Setup Utility |
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| Quick CPU |
| Setting |
| Description | Note |
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| Speed Settings |
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| CPU Speed |
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| Manual |
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| Select the working |
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| 133MHz | (66 x 2) | frequency of your |
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| 166MHz | (66 x 2.5) | Pentium® II processor |
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| 200MHz | (66 x 3) | among these preset |
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| (*Default) |
| 233MHz | (66 x 3.5) | values. |
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| 266MHz | (66 x 4) | Note: Setting this field to |
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| [Manual] requires you to |
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| 300MHz | (66 x 4.5) |
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| fill in the next two |
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| 333MHz | (66 x 5) |
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| consecutive fields: |
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| 350MHz | (100 x 3.5) |
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| (1) the [CPU Host Clock], |
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| 400MHz | (100 x 4) |
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| (2) the [CPU Ratio]. |
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| 450MHz | (100 x 4.5) |
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| 500MHz | (100 x 5) |
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| 550MHz | (100 x 5.5) |
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| If [CPU Speed] field is set to [Manual] |
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| CPU Host Clock |
| 68 MHz |
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| Select the host clock of your Pentium® |
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| 75 MHz |
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| II processor among these values. |
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| 83 MHz |
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| Note: For the EX/LX chipset, |
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| 66MHz and 100MHz host clock |
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| 66 MHz |
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| frequencies are acceptable. |
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| 103 MHz |
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| However, the system stability is |
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| 112 MHz |
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| not guaranteed for other |
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| 133 MHz |
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| frequencies due to the limitations |
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| 100 MHz |
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| of this chipset. |
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| If [CPU Speed] field is set to [Manual] |
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CPU Ratio
After you have selected the host clock, choose the right multiplier for the CPU. Options are: [2, 2.5, 3., 3.5, 4, 4.5, 5, 5.5]. The CPU frequency is then defined as [host clock freq.]x[multiplier], and should match the working frequency of your Pentium® II processor.
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