ASUS P2B-B and Coppermine Processors

[Guest]

Hello,
I have and ASUS p2b-b motherboard and can't get an answer back from asus if my board will support a coppermine processor or not so I figured I might ask you guys at toms hardware. I am not sure what revision it is because the baord is marked Rev 1.01 but the manual says Rev 1.02. And If my board "Technically speaking" support a coppermine processor within spec, can I force it out of spec safely without ruining my board or processor? I know it's alot of questions. SOrry about that But I would Really Appreciate an answer.

Thx,
RX39

 

[uncoando]

With a BIOS update it should...Can you soft toggle core voltage in your existing BIOS?

 

[Guest]

I have Bios 1011,which is the most recntly released official bios. I can't toggle Core voltage in my bios. All there is is a Voltage monitor but nothing to switchh it. I think it's done by Jumpers. I was considering Upgrading to a Celeron 700. Think It will work?

 

[uncoando]

Isn't this the legendary BX board w/ built in scsi controller option? Is it a 370 board? What does the vcore monitor say? Does it have fsb adjust in the BIOS?
You (should) have success either way you go...
I'm using an 8th gen MSI BXmaster board and a 9th gen ABIT BX133 RAID.
Except for hd through put, the MSI is faster...

<b><font color=blue>Brainy Sturgeon</b></font color=blue>

 

[Guest]

It's The Smaller Version. The Baby AT Version of the p2b. No Built in SCSI. Didn't Find Any FSB adjustment in Bios. I know thats done by onboard jumpers. Vcore Volatage Monitor says 2.0V What it should be for my celeron 300a. There is a Beta Bios Available but no release notes or anything on what it does. I have been hesitant to update the bios cuase of a bad experience with another board recently.

 

[uncoando]

I would read up on BIOS revisions, that board ought to be be good to 800 mhz and beyond...Asus would only release a very stable and functional Flashbios for that unit considering its huge following.
Don't be intimidated by a bios flash, just make your floppy bootable from a pure DOS enviornment (boot to dos, put floppy labeled BIOSflash in A: drive, type "format a: /s").
Then transfer the extracted flash utility to the bootable floppy disc.
In 99.9 % of all cases, this goes smoothly. Remember to archive your existing CMOS *.bin file.
There is always a small risk of catastrophic results, but it's a very remote possibility...

<b><font color=blue>Brainy Sturgeon</b></font color=blue>

 

[Guest]

My friend has P2B (ATX version). He bought Celeron 633 recently and it won't run, even after BIOS update. Now he's trying to sell the Celeron :O) Since it's using Coppermine core, that's a hint for you...

 

[breed33]

In reference to a P2B and a coppermine core Intel processor. To get these processors to work with an Asus P2B or any other MB for that, it must meet both the BIOS revision and a hardware revision. The BIOS version is like 1010 and is the easiest part. The second is much harder because it requires a hardware version of at least 1.12. The reason is the lower core voltage that the CuMine needs. The previous hardware versions cannot get that low of a voltage and will not work. Tom wrote an article about this problem a couple of months ago, six - eight months ago actually I think. Search the archives for this.

There may be a solution to this though and I have tried to get Tom to respond but he never has. Abit makes a Sloket III adapter for FCPGA processors to Slot 1. These slot adapters can do the lower voltage and I think will work in an old BX motherboard. This may be the solution you need. I think it would work although I am not absolutely sure. It would be great if Tom would do a review.

Reply with any thoughts or questions

Brian

 

[Guest]

Thx for you help everyone. I finally got a Reply from ASUS after like 2 weeks. THey said that for a P2B-B to work with a coppermine IT MUST BE PCB REVISION 1.02 and BIOS REVISION 1011. NOw The question is, is it because this board can't do the voltage? I read somehwre that someone was running a COppermine something at above the spec. BUt theres always a risk involved there.

 

[Guest]

On the older boards, the voltage regulator cannot supply the required 1.65V for P3 coppermine. The limit on my P2B rev 1.10 is 1.8V. So if you use a slocket with voltage jumpers, you can "force" the board to do 1.8V (0.15V above spec).

 

[Guest]

There is a work around for early rev motherboards.

Yuo must use a 100mz FCPGA socket 370 coppermine cpu & Socket 370 to slot 1 adapter.

Set the voltage jumpers on the adapter to 1.8 volts & the jumpers on the motherboard to the correct multiplier for the cpu.

This works because 1.8 volts is the lowest voltage the early rev motherboards can supply. This is higher then the default voltage of 1.65 volts but as INTEL run the 1ghz coppermine at 1.7 volts & were running the 1.13ghz at 1.8 volts it should not be a problem.

I have a friend who has been using this setup with a P2B & an 800 coppermine for about 3 months & it has not missed a beat.

You can run up to a 800mz P3 coppermine with your board. Although your manual may only show multipliers up to six by these are the same as the P2B & if you download the manual for the P2B from the ASUS site it will show you the extra multiplier settings.