MSI PT880 User Guide - Page 65

CPU Ratio Selection, CPU FSB Clock, DRAM Clock

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BIOS Setup process, and the CPU frequency needs to be boosted up to enhance the overall performance. Setting options: [Disabled] [Private] [Sergeant] [Captain] [Colonel] [General] [Commander] Disable Dynamic Overclocking. 1st level of overclocking. 2nd level of overclocking. 3rd level of overclocking, also the default value of "Load High Performance Defaults". 4th level of overclocking. 5th level of overclocking. 6th level of overclocking. MSI Reminds You... 1. Even though the Dynamic Overclocking Technology is more stable than manual overclocking, basically, it is still risky. We suggest that users make sure that the CPU can afford to overclocking regularly first. If you find the PC appears to be unstable or reboot incidentally, it's better to disable the Dynamic Overclocking or to lower the level of overclocking options. By the way, if you need to conduct overclocking manually, you also need to disable the Dynamic OverClocking first. 2. Meanwhile, there are two functions to protect user's system from crashing. - There is a safe key "Ins" in BIOS. In case the overclocking fails, you can press "Ins" key while system rebooting to restore to the BIOS defaults. - If the system incidentally reboot for four times, the BIOS will also be restored to the defaults. CPU Ratio Selection This setting controls the multiplier that is used to determine the internal clock speed of the processor relative to the external or motherboard clock speed. CPU FSB Clock This setting shows the current CPU Front Side Bus clock frequency. DRAM Clock Use this field to configure the clock frequency of the installed DRAM. Setting options: FSB100: [By SPD], [DDR 266 (3:4)], [DDR 333 (3:5)], [DDR 400 (1:2)], [DDR 433], [DDR 450], [DDR 466], [DDR 500] FSB133: [By SPD], [DDR 266 (1:1)], [DDR 333 (4:5)], [DDR 400 (2:3)], [DDR 433], [DDR 450], [DDR 466], [DDR 500] FSB200: [By SPD], [DDR 266 (3:2)], [DDR 333 (6:5)], [DDR 400 (1:1)], [DDR 433], [DDR 450], [DDR 466], [DDR 500] MSI Reminds You... The value plus a ratio (CPU: DDR) with parentheses means the nonsynchronous overclocking. 3-25

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3-25
BIOS Setup
process, and the CPU frequency needs to be boosted up to enhance the overall
performance. Setting options:
[Disabled]
Disable Dynamic Overclocking.
[Private]
1st level of overclocking.
[Sergeant]
2nd level of overclocking.
[Captain]
3rd level of overclocking, also the default value of "Load
High Performance Defaults".
[Colonel]
4th level of overclocking.
[General]
5th level of overclocking.
[Commander]
6th level of overclocking.
CPU Ratio Selection
This setting controls the multiplier that is used to determine the internal clock speed of
the processor relative to the external or motherboard clock speed.
CPU FSB Clock
This setting shows the current CPU Front Side Bus clock frequency.
DRAM Clock
Use this field to configure the clock frequency of the installed DRAM. Setting options:
FSB100: [By SPD],
[DDR 266 (3:4)],
[DDR 333 (3:5)],
[DDR 400 (1:2)],
[DDR
433],
[DDR 450],
[DDR 466],
[DDR 500]
FSB133: [By SPD],
[DDR 266 (1:1)],
[DDR 333 (4:5)],
[DDR 400 (2:3)],
[DDR
433],
[DDR 450],
[DDR 466],
[DDR 500]
FSB200: [By SPD],
[DDR 266 (3:2)],
[DDR 333 (6:5)],
[DDR 400 (1:1)],
[DDR
433],
[DDR 450],
[DDR 466],
[DDR 500]
MSI Reminds You...
1.
Even though the Dynamic Overclocking Technology is more stable
than manual overclocking, basically, it is still risky. We suggest
that users make sure that the CPU can afford to overclocking regu-
larly first. If you find the PC appears to be unstable or reboot
incidentally, it's better to disable the Dynamic Overclocking or to
lower the level of overclocking options. By the way, if you need to
conduct overclocking manually, you also need to disable the Dy-
namic OverClocking first.
2.
Meanwhile, there are two functions to protect user's system from
crashing.
-
There is a safe key "Ins" in BIOS. In case the overclocking
fails, you can press "Ins" key while system rebooting to re-
store to the BIOS defaults.
-
If the system incidentally reboot for four times, the BIOS will
also be restored to the defaults.
MSI Reminds You...
The value plus a ratio (CPU: DDR) with parentheses means the non-
synchronous overclocking.