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[Request] Bios upgrade of an HP Elitedesk 800 G4 mini to support i7 9700T
#1
Hello folks,

I have the HP Elitedesk 800 G4 mini and it is capable of running i5 gen 9 CPUs but not i7 gen 9

Guess it was just not added by HP on its BIOs

Here are 2 bioses.

fw1.bin is for an HP Elitedesk G4 800 Mini that does not support i7 9700T
fw2.bin is for an HP Elitedesk G5 800 Mini that does support that processor

906ED is the Microcode for i7 9700T
It is missing from firmware one, present on firmware two

Is it possible to mod firmware 1 so it is compatible with that CPU?

Link of the forementioned CPU details: https://www.cpu-world.com/sspec/SR/SRG17.html
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quote
#2
Attached the one that needs adjustment but there is a 20MB limit so I cannot add the donor fw.

Here is a link to a zip file containing both:

https://limewire.com/d/14245a45-6c2a-4ac...y1DmJ64-gk
find
quote
#3
Post a screenshot of Mainboard tab of CPU-Z.
Explain exactly what happens when you try to boot with new CPU.
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quote
#4
(02-05-2025, 12:47 PM)DeathBringer Wrote: Post a screenshot of Mainboard tab of CPU-Z.
Explain exactly what happens when you try to boot with new CPU.

3 long and 5 short beeps at the moment I power on the machine.

3 long are red on the power led. 5 short are white. (or vice versa, cant remember)
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#5
1. Download Intel ME System Tools v12 and unpack
2. Go to Intel ME System Tools v12\Flash Programming Tool\WIN64
3. Run in the command line with administrative rights and save results:
fptw64 -desc -d desc.bin
fptw64 -bios -d bios.bin
Zip and attach desc.bin and bios.bin
find
quote
#6
(02-06-2025, 12:27 PM)DeathBringer Wrote: 1. Download Intel ME System Tools v12 and unpack
2. Go to Intel ME System Tools v12\Flash Programming Tool\WIN64
3. Run in the command line with administrative rights and save results:
fptw64 -desc -d desc.bin
fptw64 -bios -d bios.bin
Zip and attach desc.bin and bios.bin

Here you go.
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quote
#7
OK. Run in the command line with administrative rights:
fptw64 -a 0x1CE3000 -l 0x49040 -d ucode.bin
Zip and attach ucode.bin
find
quote
#8
(02-06-2025, 02:54 PM)DeathBringer Wrote: OK. Run in the command line with administrative rights:
fptw64 -a 0x1CE3000 -l 0x49040 -d ucode.bin
Zip and attach ucode.bin

Here you go
find
quote
#9
OK. Now make one more test:
Run in the command line with administrative rights and make a screenshot of results:
fptw64 -a 0x1CE3000 -l 0x49040 -f ucode.bin
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#10
(02-07-2025, 12:00 AM)DeathBringer Wrote: OK. Now make one more test:
Run in the command line with administrative rights and make a screenshot of results:
fptw64 -a 0x1CE3000 -l 0x49040 -f ucode.bin

Intel ® Flash Programming Tool Version: 12.0.85.1919
Copyright © 2005 - 2021, Intel Corporation. All rights reserved.

Reading HSFSTS register... Flash Descriptor: Valid

    --- Flash Devices Found ---
    ID:0xEF4019    Size: 32768KB (262144Kb)


Error 167: Protected Range Registers are currently set by BIOS, preventing flash access.
Please contact the target system BIOS vendor for an option to disable
Protected Range Registers.

FPT Operation Failed.
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