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Samuele
Joined: 04 May 2021
Posts: 6
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 Posted: Tue May 04, 2021 3:27 pm Post subject: Dead motherboards? |
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Hi, I have two motherboards and I tried to switch CPUs (the ASUS site says that the components were compatible) After that, the 2 motherboards turn on, but won't get any type of signal, no sound from the speaker neither. I've done a lot of testing: different PSU, GPU, RAM, CMOS.. solutions?
MB: ASUS A7A266/ASUS A7V266-E
CPUs: AMD ATHLON XP 2400+/ the other one should be XP 2000+ |
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isa-d
Joined: 16 Aug 2006
Posts: 2984
Location: Italy
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| Posted: Tue May 04, 2021 4:42 pm Post subject: |
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| at start try to enter bios and set the right FSB of the CPU |
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mavroxur
Joined: 06 Jul 2005
Posts: 1192
Location: Wichita Falls, TX
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| Posted: Tue May 04, 2021 6:45 pm Post subject: |
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| Disconnect power, pull the CMOS battery, wait a few minutes, try powering it back on again. That should set it back to factory defaults and if it's a compatible chip and the chip/board aren't bad, it should find a default FSB and at least POST. |
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debs3759
Joined: 18 Jan 2006
Posts: 9477
Location: Northampton, Divided Kingdom
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Mr.Scott
Joined: 15 Jul 2014
Posts: 267
Location: Upstate NY USA
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| Posted: Tue May 04, 2021 7:37 pm Post subject: |
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| If they are Thorton cores, you need at least bios 1015.001 for support. I'm betting you're on an older bios. |
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Samuele
Joined: 04 May 2021
Posts: 6
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| Posted: Wed May 05, 2021 8:19 am Post subject: |
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| mavroxur wrote: | | Disconnect power, pull the CMOS battery, wait a few minutes, try powering it back on again. That should set it back to factory defaults and if it's a compatible chip and the chip/board aren't bad, it should find a default FSB and at least POST. |
Just tried that, still the same. |
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Samuele
Joined: 04 May 2021
Posts: 6
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| Posted: Wed May 05, 2021 8:21 am Post subject: |
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| i Just tried to short on the A7A266, but It makes false contact i think: if i try ti short, the fans turn on and off 'till i remove the screwdriver. |
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Samuele
Joined: 04 May 2021
Posts: 6
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| Posted: Wed May 05, 2021 8:22 am Post subject: |
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| Mr.Scott wrote: | | If they are Thorton cores, you need at least bios 1015.001 for support. I'm betting you're on an older bios. |
imho i don't know how to check BIOS version right now, don't know how to flash a new one neither. |
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Samuele
Joined: 04 May 2021
Posts: 6
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Samuele
Joined: 04 May 2021
Posts: 6
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| Posted: Wed May 05, 2021 10:28 am Post subject: |
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| isa-d wrote: | | at start try to enter bios and set the right FSB of the CPU |
the motherboard gives no signal, can't go to BIOS |
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Mr.Scott
Joined: 15 Jul 2014
Posts: 267
Location: Upstate NY USA
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| Posted: Wed May 05, 2021 4:17 pm Post subject: |
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| Samuele wrote: | | Mr.Scott wrote: | | If they are Thorton cores, you need at least bios 1015.001 for support. I'm betting you're on an older bios. |
imho i don't know how to check BIOS version right now, don't know how to flash a new one neither. |
Google is your friend. 
I'm pretty sure bios version is your problem. |
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