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Overclocking Pentium 2 700mhz, Very Old System, Which Bios Settings?

post #1 of 9
Thread Starter 
Ok, hello everyone I Posted here a while ago asking about how to overclock my HP a705w, but turns out HP locked al of the BIOS settings. Now i have a different project...
I am building myself a home theater system, and have thought about using Windows Media Center as my main component. I found a projector at my fathers office lieing in one of the back rooms all boxed up, its kind of old but its an extremely good projector. The best thing about it is it has HDTV inputs and supports HDTV from my comcast didigtal cable box! Its about 1200 lumens and im not sure of the contrast.
Now... I have a large supply of old computer componests available to me, and have been putting together a crappy computer to test out my windows media center. The parts i have so far are.. Intel Pentium 2 running at 733(i think, somewhere around there) mghz from my old computer, a American Megatrends mother board from 1997, a powersupply, a vga card, an old Creatiev Soundblaster audio card and 3x128mb sticks of RAM, and a 40gig HD out of an external HD that broke. Now right now none of it is in a case, its just all laying on my desk. I can start it up and get into the BIOS, but i need to format the HD and put media center edition from a MSDN Subscription on it when i get my cd-rom drive. I bought one on ebay for 5$ and it comes with anATX motherboard, celeron at 500mghz, and a pentium at 233 mghz, also a 3 gig HD, 64mb ram, and a floppy, and a cdrom for 5$.
Okay now for the important stuff... Which settings in the BIOS do i have to change to get the most out of my system? I know your thinking overclocking this peice of crap isnt going to do much, but what the hell... My bios is AMIBIOS V 2.5 and here are some of the settings that look like it will affect my processor.
BX/GX Master Latency Timer (Clks) - Set at 64 - Choose 32,64,96,128,160,192,224
Multi-Trams Timer (Clks) - Set at 32 - Choose 32,64,96,128,160,192,224
DRAM Refresh Rate - Set at 15.6 us - choose 15.6,31.2,62.4,124.8,249.6 US
Memory Hole - Disabled - Choose 512kb-640kb, 15mb-16mb
SDRAM CAS# Latency - Set Auto - Choose 2 DCLKs, 3 DCLKs, Auto
SDRAM RAS# TO CAS# Delay - Set Auto - Choose 2 DCLKs, 3 DCLKs, Auto
SDRAM RAS# Precharge - - Set Auto - Choose 2 DCLKs, 3 DCLKs, Auto
Gated Clock - Set Enabled - Choose Enabled, Disabled
Graphics Aperature Size - Set 64mb - Choose 4,8,16,32,64,128,256
AGP Mlti-Trans Timer (AGP Clks) - Set 32 - Choose 32,64,96,128,160,192,224
AGP Low-Priority Timer (AGP Clks) Set - 16 - Choose 32,64,96,128,160,192,224
PCI Latency Timer (PCI Clocks) - Set 64 - Choose 32,64,96,128,160,192,224,248
KBC Clock Rate - Set at 8MHz - Choose 6,8,12,16 MHz

Those are the most imporant ones i see.. Any that im missing? Im guessing the 2 most imporant are the PCI Latency Timer, and the KBC Clock rate. What should i change them to? Thanks for all your help people
post #2 of 9
That's an Intel P3 733 Coppermine Processor running on a 133MHz fsb and will with the proper ram and decent speed hard drive run WinXP MCE although it will not be a speed demon. With the right video card you will be able to play and stream movies to other systems/televisions.

BX/GX Master Latency Timer (Clks) - Set at 64 Correct Setting
Multi-Trams Timer (Clks) - Set at 32 - Correct Setting
DRAM Refresh Rate - Set at 15.6 us Correct Setting
Memory Hole - Disabled - Correct Setting
SDRAM CAS# Latency - Set Auto - Try for 2 and if your system passes memtest then leave at 2, if not, set to auto or 3
SDRAM RAS# TO CAS# Delay - Set Auto - Try for 2 and if your system passes memtest then leave at 2, if not, set to auto or 3
SDRAM RAS# Precharge - - Set Auto - Try for 2 and if your system passes memtest then leave at 2, if not, set to auto or 3
Gated Clock - Set Enabled - Set Correctly
Graphics Aperature Size - Set 64mb - Depends on your video card, if you are not going to game, then set it to the amound of ram on your video card as this will disable AGP textural transfer
AGP Mlti-Trans Timer (AGP Clks) - Set 32 - Set Correctly
AGP Low-Priority Timer (AGP Clks) Set - 16 Set Correctly
PCI Latency Timer (PCI Clocks) - Set 64 - Set Correctly
KBC Clock Rate - Set at 8MHz - Set Correctly

hth,

R
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post #3 of 9
Thread Starter 
Hey, thanks for the reply So the only settings that will let me overclock my CPU are the SDRAM Latency settings? What are the options i should be looking at to increse my processors speed, or are those the only ones. Thanks
post #4 of 9
You are running on a 133MHz fsb so your ability to overclock is severely limited. The Coppermine's that ran on a 100MHz fsb had some room to play with but you might be able to take it to ~140 - 145MHz on the fsb if you motherboard allows for it. What is the make/model of your motherboard?

Open the case up and look for some white silkscreened model numbers. They are most often between one of the PCI slots, aside of the AGP slot or to the front of the processor.

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post #5 of 9
Thread Starter 
Screenprinted on it it says "Super (trademark) 370SBA" But im pretty sure American Megatrends made it, and it has the AMIBIOS on it. Im also getting an ATX Motherboard, came in that junk part package from eBay.
Actualy, the computer isnt in a case. Its just laying put together on a little table next to me right now
post #6 of 9
That's a Supermicro 370SBA Mainboard.

Here it is:

http://www.motherboard.cz/mb/supermi...R%20370SBA.htm

Here is the manual for your board:

http://www.supermicro.com/manuals/mo...BX/MNL-021.pdf

However, specifications show that this board does not support FCPGA (Flip Chip Pin Grid Array) Pentium 3's as it utilizes an Intel 440BX chipset. Are you certain that you are running at 733MHz? I would think it more likely to be a Celeron if it is running at a fraction X33 and more likely to be: 333MHz, 433MHz or 533MHz of the PPGA (Plastic Pin Grid Array) variety. After 533MHz the form factor was moved from PGA to FCPGA (Coppermine)

Does the processor look like this:

http://www.sharkyextreme.com/hardwar...u/celeron_533/

This board utilizes a windowed AMI (America Megatrends) BIOS and as such has no ability to make changes to cpu and voltages. You are stuck with the actual processor speed and voltages set by the plug & play read at bootstrap.

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post #7 of 9
what about jumper settins n stuff - didnt old board used to use those?
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post #8 of 9
The manual has only plug & play reads. No jumpers. Check it out. Many Supermicro boards did not have any overclocking features as they (at that time) made many OEM boards.

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post #9 of 9
Thread Starter 
Hmmm yes, your right, its a celeron. I took the processor out today and tried to put it onto an ATX board i just got, but its not the right socket. The ATX board has the pentium, but its only a pentium and runs at 200 something mghz i think the guy said. Looking at the motherboard, theres tons of jumpers but i cant figure out what any of htem do. Ill read the manuel, thank you very much
Im stuck with one problem.. I cant get it to recognize any hard drive when i try to re install windows media center on it, im trying 3 different drives, a 40gig that im not sure works, a 8 gig that im not sure works, but a 3 gig i know works and already has Millenium ME on it. Im gonna reinstall windows me on it, because when i booted it up it was still in the install mode and asked for a cd key. Oh well, ill play with it a bit more
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