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HP DC7900 CMT xeon x3363 Bios Mod
#31
https://fex.net/s/aancszz
find
quote
#32
Good. Now install your Xeon(SLBC3) and try to boot.
Any POST-messages about microcode now?
find
quote
#33
It didn't work out.
After the start there is only a blank screen.
After 5 seconds the cooler accelerate to maximum speed.
BioS reset didn't help
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quote
#35
Thank you!
The test will take some time.
I can't downgrade from 1.27 to 1.08. Process stop at 155% Smile https://fex.net/s/3ecsvps
I'm going to take the Bios chip off and flash it with dump ver 1.16.
With this version, I can roll back
And I'm going to start experimenting.
find
quote
#36
Hello
Now I have the first results.
I took a PC with BIOS 1.08 and microcodes 1.27
1. BioS update to 1.09
2. Microcode update from 1.27 to 1.27 again
3. Replace the processor with Xeon
PC can boot normal.

4. Replacing the processor with C2D
5. Bios update to 1.11
6. Microcode update from 1.27 to 1.27 again
7. Replace the processor with Xeon
PC can't boot
find
quote
#37
So it's not microcode problem.
Use BIOS 1.08 or 1.09 and renamed U7F_0123.BIN - https://www.bios-mods.com/forum/Thread-H...#pid179338
find
quote
#38
I think it's MEi.
I'll try to test that guess later.
Anyway, thank you very much for your help!
find
quote
#39
So.
On the DC7900 boards, Xeon runs only on firmware 1.08 and 1.09
To these versions you can roll back from firmware 1.11-1.16

If you have a newer version, you need to use a hardware programmer (CH341) and a BIOS bin file from hp website.
After that, you'll need 2 utilities to write DMI information and MAC address on the network card:
HP-DMI-Toolkit 1.32
And mac (v2.0.18D) .zip from asROCK website
find
quote
#40
Smile 
(06-06-2021, 03:05 PM)kuzma2000 Wrote: Hello
Now I have the first results.
I took a PC with BIOS 1.08 and microcodes 1.27
1. BioS update to 1.09
2. Microcode update from 1.27 to 1.27 again
3. Replace the processor with Xeon
PC can boot normal.
 
Hello, can you help me please to install my x3363 in DC7900sff?
I do all steps what you do, but its not run. Where do you take Microcode update 1.27? Becouse i see only 1.23 ver.
I`ve install BIOS 1.08 and update Microcode to 1.01. When im trying to update to modifying microcode U7F_0123.BIN witch renammed to U7G_0123.BIN it do nothing . still write 1.01ver
x3363 SLBC3
find
quote


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