One continuous beep

Hi guys hope you can help me.

a computer has come in to the shop i work in and all it does when you turn the power on is onelong continuous beep.

what i have done so far

changed processor
change memory
change power supply (dont ask me why)
change video card

just had memory and processor +onboard graphics and still the same.

with this board the onboard graphics are ment to be disabled when you plug in a pci video card.

i have also cleared the cmos.

it is a AWARD bios.
motherboard is a socket 7 based on the sis 530 chipset.

the cpu is a k6-2 500 (which i have replaced with a k6-2 500).

i am lost with ideas now

cheers mike

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1ghz athlon thunderbird 383mb ram 10gb hdd(dont laugh getting 30gb soon)+ 6.4gb 8x4x32 samsung writer voodoo3 2000 agp.
icq 82991416

i nearly forgot i found this link http://www.pcguide.com/ts/x/sys/beep/award.htm
which says its a memory problem of some sorrt but i have changed the memory.
could this be the onboard motherboard memory ? the first 640k or whatever it is

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1ghz athlon thunderbird 383mb ram 10gb hdd(dont laugh getting 30gb soon)+ 6.4gb 8x4x32 samsung writer voodoo3 2000 agp.
icq 82991416

oh well just told him DEAD MOBO HAHA

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1ghz athlon thunderbird 383mb ram 10gb hdd(dont laugh getting 30gb soon)+ 6.4gb 8x4x32 samsung writer voodoo3 2000 agp.
icq 82991416