dc7700 CMT CPU upgrade

[gabornico]

Hi, does anyone know if this motherboard is compatible with the Core 2 Extreme X6800 processor ?

[gabornico]

it seems to work with the following configuration:

dc7700 Mainboard Maverick Silverado (Part# 404673-001) Rev. 0B

BIOS 3.07

ME firmware 2.2.30.1046

[Rainald]

Just wondering: Where from does your estimation it "seems" come?

The latest version of the QuickSpecs

( DA-12543 32 - Version 32 - October 29, 2008 --- Retired on September 28, 2009

http://h18000.www1.hp.com/products/quickspecs/12543_div/12543_div.HTML )

specifies:
"Intel Core 2 Duo E6700 Processor (2.66-GHz, 4 MB L2 cache, 1066-MHz FSB)"

as the latest and greatest CPU.

Rainald

[gabornico]

"it seems" means that there was no 1801 or similar BIOS related error during POST on a spare DC7700 board that I  used for testing.

The manufacturers information about CPU support is outdated.

As I found out that the E7x00 series is supported with the latest BIOS and microcode installed, I thought there must be a chance to get the X6800 working because there is no big difference between an E6700 and this processor.

At the moment I have two DC7700 vpro motherboards, one with the Core 2 Duo E6700 and the second one that is running fine with the Core 2 Extreme X6800 cpu.

[Rainald]

Thank you very much for the interesting info!

May be that I'll check things again when rebuilding my sons's dc7700 USDT.

Rainald

[Paul_Tikkanen]

Please note that the E7x00 processors only run at half the FSB speed in the dc7700 which makes that upgrade pretty much useless.

A support request was submitted to HP to fix the last BIOS release, but nothing has been forthcoming.

http://h30434.www3.hp.com/t5/Desktop-Hardware/CPU-supported-by-HP-dc7700/m-p/340776#M23410

Stick with the Conroes...

[Rainald]

Thanks for the info, Paul

Rainald

[Paul_Tikkanen]

You're very welcome, Rainald.

[wfejnieh2]

Hey! Paul!   "......... long-time; no-see!"

Just bought (my first!) - a dc7900 Convertible Minitower Desktop PC on eBay!  It ships with an Intel Core 2

Duo E8400 (3.0GHz/6MB/1333MHz) Dual Core; as I had previously received when buying dc5800's (2-

microtowers and a SFF).  Your influence was instrumental in my choosing to buy the dc7900 over a dc7800.  I'll

admit, I bid on an 8000 Elite! but, it was a little out of my "just-for-fun" allowance!  I've certainly learned a great

deal, through my associaton with you and this HP Forum and I anticipate I'll learn a great deal more in the future!

Keep Up Your Good Work!  Kindest Regards, wfejnieh2

[wfejnieh2]

I own 2 dc7700's running the Intel E6700. Other than a theoretical question; it appears the X6800 should fit in a dc7700 - but; what's there to gain? The dc7700's multiplier is fixed! Why 'waste' the 'Extreme' in a dc7700? The possibility of running Intel's Core 2 Duo's E7xxx series (as Paul mentions) seems more realistic; as a goal. Kind Regards!