Question about Compaq ( 277498-001) Motherboard

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Motherboard 277498-001 setting jumpers - help please

Mb 277498-001 setting jumpers - help please!
I can't find info about settings jumpers of this mb 277498-001 , socket 478, sdram, p4
thank you very much for your help!

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Visit and select the product then download the user's manual. Such informations are usually given in the users mnual. Although Compaq is presently owned by HP, but user support is still there. (

Posted on Jul 18, 2009


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Make sure your ribbon cables are pluged in corectly? make sure your jumpers on your Hds are set right? your power connectors are in corect? and set up your bios for your Hds and then when reconized partion and format thr drives. hope this helps! Remember your jumpers on your MB too!

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Bios settings are retained by the Motherboard Battery in the CMOS. Disconnecting the battery clears CMOS and returns the settings to their original state. Typically this can be done by simply removing the CMOS battery and waiting about 15 seconds before reinserting and booting PC. Nowadays most Motherboard manufacturers supply a jumper to not only disconnect the battery but also ground the CMOS to effectively drain any residual power.

The instructions for your MB are found below. JP5 is located to the left of the battery and next to the PCI 2 slot on your MB. There is a Manual for your MB on this site and the MB layout can be found at

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Don't screw around with jumpers. There are a buttload of fan speed hacks for software on the computer. Google Fan speed hack and you might find one that works.

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Thanks for using fixya.
Please rate solution if it helps.

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Most of the time the jumper is near the backup battery for your bios.. It's next to Dimm2 on your MB.. Good luck!

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I have motherboard Compaq #277498-001 P5008640WP8N2BSM AS#253242-002 DG#011346 and can't find information for jumpers setting, please for

What model does this MB belong to? If it is a newerMB the only jumper settings you should see would be the clear BIOS jumper. Alot of the newer motherboard settings are done thru the BIOS.

try looking here

good luck

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hi dear
there is always speed mismatch problem occur when we use low processor & high ram

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also try to use 1 slot of 256 ram & 2 slots of 128 ram diffrently
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