LGA771 Bios Microcode for HP dc7800 sff

[MrZlobnyj]

Your Xeon has sSpec=SLBC3 and CPUID=0x01067A
I can't help you without Core 2 Duo CPU 45-nm stepping R0: E7400, E7500, E7600, E8400 (SLB9J), E8500 (SLB9K), E8600
Or Pentium: E2210(SLB9R), E5200 (SLB9T), E5300, E5400, E5500, E5700, E5800
Or Celeron: E3200, E3300, E3400, E3400

CPU comming from china SLBC3 X3363

from screen may be bios has it microcode? 1067A it is not X3363 SLBC3? Windows 10 will be setup after install cpu.

[DeathBringer]

OK. Your BIOS has microcode for CPUID=0x1067A with platforms: 0, 4, 5 & 7.
But X3363 uses platforms = 2 & 6

[MrZlobnyj]

E8600 installed. Deafault cmos. What next. Writting from tablet.

[DeathBringer]

OK. Download this file and extract all files into bootable USB stick with DOS.
Boot from USB stick with DOS and run FlashBin.exe.
Make & post a photo of a result.
Reboot and make BIOS backup by Universal BIOS Backup ToolKit 2.0. I need to see it.

[MrZlobnyj]

E8600 installed. Deafault cmos. What next. Writting from tablet. Windows not loading.

[DeathBringer]

Bad news.
It seems that BIOS 1.35 doesn't work with Core 2 Duo with CPUID=0x01067A...

[MrZlobnyj]

What BIOS I need have for X3363 please link and I'm install it bios

[DeathBringer]

Sorry, noone maked it yet.

[MrZlobnyj]

How to downgrade bios 1.35 to 1.28?

[DeathBringer]

I don't know.

Can't downgrade BIOS from 1.35 to 1.28, 1.24 or 1.04. Any attempt to flash BIOS to version lower then 1.35 has BootBlock Emergency Recovery Mode screen. I take BIOS ROMs from HP site, and i don't understand, why this ROMs is corrupted?