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AMD Motherboards & CPUs Questions or comments on AMD products?


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Old 20th October, 2003, 07:20 PM
Raz Raz is offline
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What is thermal throttling, bios/video cacheable (8rda3+)?

Hi, can someone explain to me what these three options in bios are and if they can be used to increase performance?

1. Thermal throttling: Cpu slows down when overheated? When does it kick in?
2. Bios cacheable
3. Vga cacheable

thanx for any answer!
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Old 20th October, 2003, 07:48 PM
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1 not sure I have never seen that option on an AMD board of mine. Usually something like a CPU shutdown temp. Can't tell you exactly what it would do.

2 copies the motherboard BIOS into memory. Unless your system is unstable this should be disabled.

3 Copies your video card BIOS into memory. Unless your system is unstable this should be diabled.
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Old 20th October, 2003, 11:40 PM
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Thermal throttling is nonsense. Use the CPU Over temp protection feature.

In the old days of DOS, caching the BIOS into memory increased performance. Now, since almost all hardware is directly accessed without going through the BIOS, you don't need it and it may degrade performance.

Caching video is similar to caching BIOS. Older video cards were not directly accessed and performance could easily be increased by caching the video BIOS into main memory. Now since everything is AGP, there's no need to cache video BIOS. As with BIOS caching, it may actually degrade performance.
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Old 21st October, 2003, 06:59 AM
Raz Raz is offline
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Quote:
Originally Posted by mookydooky
Thermal throttling is nonsense. Use the CPU Over temp protection feature.

In the old days of DOS, caching the BIOS into memory increased performance. Now, since almost all hardware is directly accessed without going through the BIOS, you don't need it and it may degrade performance.

Caching video is similar to caching BIOS. Older video cards were not directly accessed and performance could easily be increased by caching the video BIOS into main memory. Now since everything is AGP, there's no need to cache video BIOS. As with BIOS caching, it may actually degrade performance.
Thanx! I will disable thermal throttling.
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