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Shuttle SB51G Support Request - CPU Upgrade (Prescott?)
#1
Hello - I have a Shuttle SB51G that still works great, but is limited to Willamette and Northwood family of 478-pin CPUs. I would very much like to put a much better CPU (something with SSE3, at least) in, but currently, unsupported CPUs as such will render a boot failure (blank screen).

If anyone can help (or point me in the right direction), I would be very appreciative.

Edit: I have also done a fair amount of DSDT editing, if it's worth anything (never injected DSDT changes into a BIOS itself, however; loaded with bootloader that supports DSDT.aml file)


Attached Files
.bin   BACKUP.BIN (Size: 256 KB / Downloads: 1)
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#2
i think if you add the cpu microcodes from suitable mobo it may boot since there maybe hardware restrictions like vrms on pentium d only lga775 mobos

bios links and suitable donors would help too

also a bios since shuttle stopped hosting the bios files for the board you can do that with winflash i think
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#3
Ok, I've updated my OP with a dump of the BIOS. One more question pops into mind - I also have a mobile celeron (specs found at http://www.cpu-world.com/sspec/SL/SLA2F.html ) which is 478-pin, and has the same FSB (533) as the Northwood I'm currently using - would it be possible to gain support for this CPU via a microcode update as well, or would there be some other limitation preventing that possibility?

Thanx again for any help!
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#4
about the mobile celeron no that will not work on the shuttle since its a core (yonah) based cpu .
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#5
(06-28-2012, 07:15 AM)mikemike097 Wrote: about the mobile celeron no that will not work on the shuttle since its a core (yonah) based cpu .

I kinda figured that was just really wishful thinking on my part Tongue

I've been trying to use some different BIOS modification tools but I haven't had any success with anything, yet. One tool supposedly lets you replace the DSDT in a BIOS, but every time I try to patch mine in, when I re-export to check it's the original :/

Anyway, I can continue loading my dsdt.aml file via my bootloader - I would very much like to at least get a Prescott in there, if possible.

Also, if there's a resource anybody can point me to that would help me understand a little more about the nature of the hack I'd like to accomplish, I'd be very grateful! Thanx for the replies so far!
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#6
I found a computer that's got a lot of similarities (ICH5 instead of ICH4, but other than that, same basic chipset) and I believe the BIOS is Award - http://h20000.www2.hp.com/bizsupport/TechSupport/SoftwareIndex.jsp?lang=en&cc=us&prodNameId=342068&prodSeriesId=342066&swLang=8&taskId=135&swEnvOID=1093#120 has downloads for both their BIOS and a microcode update for Prescott CPUs. Would this be sufficient for adding the microcode, or would it be better to download (and extract) from intel?
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