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[REQUEST] HP dc7600 CMT BIOS Modding for C2D E7400 Support
#1
Hi everyone! I have a HP Compaq dc7600 CMT. Currently it has a Pentium 4 521, 1GB of DDR2, and a 500GB HDD. I wanna upgrade it to something from the Core 2 era as the chipset (945G Express) supports it. I know the VRMs might not support C2Ds and C2Qs, but this can be solved with a pin mod to bypass the VRM checking. However, HP's BIOS does not have the microcode for Conroe, Allendale nor Wolfdale. I have absolutely no idea how to mod the BIOS, and I hope someone here can help me mod it to support C2Ds.  Rolleyes



P.S I have a random C2D E7400 so I would like to use that. 

It won't let me upload the latest BIOS, so please download from here and choose 768D1:
https://support.hp.com/au-en/drivers/clo...-pc/472276
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quote
#2
Post a screenshot of Mainboard tab of CPU-Z with supported CPU.
Explain exactly what happens when you try to boot with VRM pin mod & E7400.
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quote
#3
(10-05-2025, 02:14 AM)DeathBringer Wrote: Post a screenshot of Mainboard tab of CPU-Z with supported CPU.
Explain exactly what happens when you try to boot with VRM pin mod & E7400We
Well, to even POST, the BIOS needs the microcode, which is why i needed a modded bios.
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quote
#4
(10-05-2025, 09:59 AM)HPsucksWHY Wrote: Well, to even POST, the BIOS needs the microcode
No, you are wrong.
BTW: adding microcode doesn't add support for new CPUs.
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quote
#5
So how would i add support for new cpus? Il try the pin mod i guess.
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quote
#6
At first make VRM pin mod and try to boot with Conroe (65-nm).
FSB=800 MHz is recommended.
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quote
#7
(10-05-2025, 02:42 PM)DeathBringer Wrote: At first make VRM pin mod and try to boot with Conroe (65-nm).
FSB=800 MHz is recommended.

I only have a Core 2 Duo E7400 ( Wolfdale), so i'll try with that
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#8
Carly Fiorina ordered the crew to put that limitation into the BIOS of dc7600 because she wanted you to buy dc7700, and after that, dc7900 if you wanted the top-end of Core 2 Duo. It shouldn't be that hard to remove that woman-made limitation.

dc7600 came with Intel 945G chipset which, according to Intel, can/could handle E7600 ---but not inside a Compaq dc7600.

I have a dc7600 with Pentium 4 D-945, and a dc7900 with Q-9550 (because life is not worth living without a computer with factory floppy drive, and booting DOS on SSD), but, just-because, it would be nice to modify dc7600's bios.
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