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Full Version: [SOLVED] Dell R810 & R910 with ES CPU's
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Hi All,

I am putting together an old dell R810 and have 4 E7-8870 ES cpu's, which are not supported by the bios. I'm looking to put the bios on a bootable usb and flash it by booting that way. But I am not a sysadmin and maybe there's an easier way I'm unfamilar with. Does anyone have a working bios for this configuration or can point me in the right direction? 

Server: Dell R810
CPU: (4) Intel E7-8870 ES
Error: Unsupported CPU Stepping Detected: Stepping 6F1
BIOS Version: 2.9.0 - link
printed on cpu:
  Q4ZK ES COSTA RICA
  AT80615005757AB
  3030A608

[attachment=12876]

I saw a similar post from four years ago but no resolution:
https://www.bios-mods.com/forum/Thread-D...P-bios-Mod

Thank you for any help you can offer!
Eric
Can you downgrade BIOS version to 2.4.4 - http://www.dell.com/support/home/us/en/0...erId=K8WJ9 ?
@DeathBringer ,
I will try tomorrow - I'm in 2.9.0 and release notes for ~2.7 said you can't downgrade below it once upgraded, but it looks like the bios you reference is an oem, so maybe?

Do you think that will fix the issue? If so, would it be because it has additional steppings or because it disables the requirement?

Thank you,
Eric
All version of BIOS has microcode for this CPU's stepping, but it's blocked by BIOS code.
I can fix it but in only 2.4.4 version.
(08-06-2017, 11:30 PM)DeathBringer Wrote: [ -> ]All version of BIOS has microcode for this CPU's stepping, but it's blocked by BIOS code.
I can fix it but in only 2.4.4 version.

I would also like to run E7-8870 CPU Q4ZK stepping 6f1 on a Dell r810.  What is involved in doing this, is there a bios editor available, do you modify the bios before flashing it to the server, is it something I could do?  Why only 2.4.4 version can be edited, is that the version that had support for this CPU and then it was taken out?  Thanks.
(12-02-2017, 08:30 PM)Tricep Wrote: [ -> ]Why only 2.4.4 version can be edited.
The tool (that I have) can edit only this version.

(12-02-2017, 08:30 PM)Tricep Wrote: [ -> ]is that the version that had support for this CPU ...?
This version has the block too, but it can be removed.
Update:
I can edit 2.7.0 version. Can you downgrade BIOS version to 2.7.0 - http://www.dell.com/support/home/us/en/0...erId=H9K1G ?
Can you flash BIOS with HDR-file?
(12-03-2017, 02:40 PM)DeathBringer Wrote: [ -> ]Can you flash BIOS with HDR-file?

Deathbringer,

Sorry for disappearing there. I had to abandon trying to use it on the R810 - I was never able to flash anything on the machine. I got it working by getting non-ES cpu's. However, I now have an R910 as well that I can flash.  I'd like to use these chips in the R910. Can you help with unblocking the stepping for the R910 bios? 

Thank you,
Eric
(12-30-2017, 01:33 AM)ericsgagnon Wrote: [ -> ]However, I now have an R910 as well that I can flash.  I'd like to use these chips in the R910. Can you help with unblocking the stepping for the R910 bios? 
The last version of BIOS for PowerEdge R910 (that I can edit) is 2.7.7 - https://www.dell.com/support/home/us/en/...erId=NTW3R
Update: By truncating 256 bytes I can edit any versions, but I'm not sure is it correct.
2.7.7 would be great - I just got this and it has 2.2.3, which I would update anyway. It also has idrac enterprise with a vflash. I'm happy with 2.7.7, but if you want to try 2.10.0 (or whatever version) as a test, I can probably try it with relative safety.

Thank you!
Eric
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