HP Z620 BIOS secret? - Hidden BIOS or MOD BIOS? Hidden CPU multiplier. AMI BIOS - Overclock.net - An Overclocking Community

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HP Z620 BIOS secret? - Hidden BIOS or MOD BIOS? Hidden CPU multiplier. AMI BIOS

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post #1 of 16 (permalink) Old 01-24-2017, 07:47 PM - Thread Starter
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Hello and hope someone has the secret! yessir.gif Let's have some fun! tongue.gif

I am trying to access the CPU multiplier settings in the BIOS of my HP Z620 workstation (it's basically like an X79 chipset but it's C602 for dual socket support) which are hidden. I have built computers my entire life..(exception of laptops/tablets)... I decided to take a shortcut this time because I got a good deal on an HP Z620 for a MAME project. It has an Intel XEON E5-1620 3.6Ghz quad core and came with 16GB and some other things.. anyway I wanted to see if the XEON was unlocked. The E5-16xx V2 (and pretty sure V3 also) are unlocked Xeons (undocumented but trust me they are, I have one) and this is the original E5-16xx "V1" series.. so I am VERY curious if it is also and I wouldn't mind a slight kick for free.

Before I get read the riot act (LMAO) I'm very familiar with overclocking/experienced and how this isn't an overclocking system blah blah tongue.gif it's really not a system I'm planning to push I basically just wanted to know if the CPU was unlocked and if it was I would probably raise the multi one notch and call it a day (just for the good feeling of getting more than I paid lol). It became a challenge as a looked and looked and couldn't find the trick (curses foiled again! lol).

Anyway, I THOUGHT THIS WOULD BE EASY... buttkick.gif lol! I looked everywhere... nothing on the Z series so far.

Just to really break this down, here's what is going on. When I use F10 to enter the BIOS it's missing half of the normal things you would expect to see. I realize all vendor BIOS' are locked down but many of them give you SOME of the CPU settings.. this BIOS has NOTHING for the CPU except enable/disable HT... I know there must be hidden BIOS settings..(The BIOS is made by AMI)... or I need to flash a MOD BIOS to unlock the settings.

Don't call me nuts lol. This is not unheard of... there are actually many systems (many are HP) with special key combos to access hidden BIOS settings cheers.gif(https://www.youtube.com/watch?v=qSi0Xc4RcUc). The BIOS is made by AMI but it's just very limiting. I've read that some OTHER HP computers had special key combos to access hidden BIOS settings.


The ones I have found so far (but did not work for me):
* CTRL-F10 and then CTRL-F11
* F10 and then press A


Does anyone know of any other special key combos that might work or MOD BIOS'?


It's this HP Z620 workstation... Vitteowe (Click to show)

GIGABYTE GTX 9xx G1 GAMING BIOS Tweaking
  ̿̿ ̿̿ ̿̿ ̿̿̿'̿'\̵͇̿̿\з=༼ຈل͜ຈ༽=ε/̵͇̿̿/'̿'̿ ̿ ̿̿ ̿̿ ̿̿  
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post #2 of 16 (permalink) Old 01-25-2017, 06:26 PM
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Did you try CTRL+F1? I had a mobo once that used CTRL+F1 to enter the hidden BIOS.

Also what bios revision are you using and did you try resetting the CMOS or checking for a BIOS update?
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post #3 of 16 (permalink) Old 01-25-2017, 06:51 PM - Thread Starter
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Quote:
Originally Posted by aweir View Post

Did you try CTRL+F1? I had a mobo once that used CTRL+F1 to enter the hidden BIOS.

Also what bios revision are you using and did you try resetting the CMOS or checking for a BIOS update?

Thanks for the suggestion. I just tried a couple times, no luck.

I have BIOS J61 v03.15. I haven't found a MOD BIOS yet. I could always try updating to the latest official BIOS I guess to see if I get lucky...

Release notes (Click to show)
FIXES

The following fix has been made in BIOS version 03.90:

- Fixes an issue where system would not boot when cards with large MMIO are installed.

ENHANCEMENTS

The following enhancements have been made in BIOS version 03.90:

- This release improves security of UEFI code and variables and includes mitigation for the following vulnerabilities. HP strongly recommends promptly transitioning to these updated BIOS versions which supersede all previous releases.

Intel-TA DOC #548744

VU#631788

VU#766164

VU#976132

- Updates Legacy PXE OROM to 1.5.56.

- Adds F10 Setup option to Restrict USB Devices based on a variety of options including the ability to only allow keyboard and mouse.

- Adds F10 Setup option to disable error reporting if system has insufficient Option ROM space.

These utilities can be used to restore or update the System BIOS. System BIOS is independent of the operating system. To determine the BIOS family and BIOS date, press F10 on the target workstation during Power On to run the Computer Setup Utility, and then select File/"System Information". This information can be saved into a text file on a USB flash media device by selecting File/"Save to Removable Storage Device".

This SoftPaq includes the following methods for changing the BIOS version:

- Use HPQFlash to upgrade the BIOS directly in a Microsoft Windows environment.

- Use the utilities in this package to flash the BIOS in a DOS environment from bootable media.

- Use the ROM images in this package with the Computer Setup Utility (F10) to flash the BIOS from a USB flash drive or CD-ROM drive.


GIGABYTE GTX 9xx G1 GAMING BIOS Tweaking
  ̿̿ ̿̿ ̿̿ ̿̿̿'̿'\̵͇̿̿\з=༼ຈل͜ຈ༽=ε/̵͇̿̿/'̿'̿ ̿ ̿̿ ̿̿ ̿̿  
░▒▓│ FORKAY‼ «  » WΘΘT ‼ │▓▒░
Xeon E5-1680 V2 (IVY-E) Inside


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post #4 of 16 (permalink) Old 01-25-2017, 06:53 PM
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Disconnect boot drive, should end up with a BIOS prompt...thumb.gif

Just read your post carefully, this may not help you...

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post #5 of 16 (permalink) Old 01-25-2017, 07:09 PM - Thread Starter
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Thanks anyway essanbee.

I just flash the BIOS to the latest version, J61 v03.91 and doesn't have any additional CPU options but was worth a try.

GIGABYTE GTX 9xx G1 GAMING BIOS Tweaking
  ̿̿ ̿̿ ̿̿ ̿̿̿'̿'\̵͇̿̿\з=༼ຈل͜ຈ༽=ε/̵͇̿̿/'̿'̿ ̿ ̿̿ ̿̿ ̿̿  
░▒▓│ FORKAY‼ «  » WΘΘT ‼ │▓▒░
Xeon E5-1680 V2 (IVY-E) Inside


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post #6 of 16 (permalink) Old 01-25-2017, 07:13 PM
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would it even matter is the OP was using a PS/2 keyboard vs. a USB keyboard?
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post #7 of 16 (permalink) Old 01-25-2017, 07:33 PM - Thread Starter
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Thinking outside the box I like it however I'm not having any issues with keys not being recognized.. I can select F9, F10, F11, F12 and they all respond as well as the option messages and ESC boot menu it's just that when I get into the BIOS the only CPU option is to disable hyper-threading.. that's it.. Not even any memory settings. mad.gif

I figure either there's a hidden BIOS with more options or I need a MOD BIOS...

GIGABYTE GTX 9xx G1 GAMING BIOS Tweaking
  ̿̿ ̿̿ ̿̿ ̿̿̿'̿'\̵͇̿̿\з=༼ຈل͜ຈ༽=ε/̵͇̿̿/'̿'̿ ̿ ̿̿ ̿̿ ̿̿  
░▒▓│ FORKAY‼ «  » WΘΘT ‼ │▓▒░
Xeon E5-1680 V2 (IVY-E) Inside


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post #8 of 16 (permalink) Old 01-25-2017, 07:41 PM
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My guess best way to figure out is to decompile the bios and start reading code.


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post #9 of 16 (permalink) Old 01-25-2017, 07:43 PM
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How about asking who ever made that motherboard? Or reading the documentation for it?
Otherwise, keep on trying, searching or reverse it or mod it yourself or replace it, doubtful.

Even HP could tell ya.
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post #10 of 16 (permalink) Old 01-25-2017, 08:00 PM
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Might be able to OC it with SetFSB: http://www13.plala.or.jp/setfsb/

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(14 items)
CPU
Intel Core i5 2500K
Motherboard
P8P67 DELUXE
GPU
EVGA GTX 980 FTW
RAM
G.Skill
Hard Drive
Western Digital WD1002FAEX-00Z3A0
Optical Drive
ASUS DRW-24B1ST
Power Supply
THERMALTAKE TOUGHPOWER XT 775W
Cooling
SWIFTECH H20-320 EDGE HD APOGEE HD WATER BLOCK
Case
APEVIA X JUPITER S TYPE METALLIC BLUE
Operating System
WIN7 64bit
Monitor
ASUS VE258Q
Mouse
RAZER DEATHADDER 3500dpi
Audio
Creative Soundblaster Z
Other
SSD Samsung 840 EVO 250 GB for OS
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