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Dimension 4100 Intel BIOS

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First post, by ODwilly

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Does anybody know where I can find the Intel bios for the 4100's motherboard? I have been hitting nothing but dead ends trying to hunt it down. Upgrading to a 1.4 Tualatin and apparently the Dell bios does not support it and I can not even get it to boot.

Main pc: Asus ROG 17. R9 5900HX, RTX 3070m, 16gb ddr4 3200, 1tb NVME.
Retro PC: Soyo P4S Dragon, 3gb ddr 266, 120gb Maxtor, Geforce Fx 5950 Ultra, SB Live! 5.1

Reply 1 of 26, by NJRoadfan

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Its apparently an OEMed Intel D815EEA: http://www.motherboards.org/forums/viewtopic.php?t=46082
BIOS can be found here: https://downloadcenter.intel.com/search?keywo … 5EEA%2FD815EPEA
Change list can be found here, nothing specific about Tualatin support: http://downloadmirror.intel.com/3489/eng/EA-P11.pdf

Cross flashing an Intel BIOS on a Dell board isn't for the faint of heart. The risk of bricking the BIOS is high as you have to use the board's emergency BIOS recovery mode. I managed to do it with the Dell version of the D845PT found in a Dimension 4400, so its possible. Generally Dell mirrors Intel's releases, in theory the A11 BIOS should be the same "core" BIOS as Intel's P11 BIOS given the release dates.

I wouldn't recommend a crossflash for this board anyway. The Dell version lacks on-board audio and one DIMM slot, changes that could have resulted in a BIOS different enough that the Intel version could break things.

Reply 2 of 26, by KT7AGuy

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Go to: support.dell.com

Punch in your service tag number.
BIOS updates are under "Drivers & Downloads".

The A11 BIOS for my 4100 is here.

There is no support for Tualatin for the Dell Dimension 4100. You'll need one of those pin-modded CPUs from eBay if you want to run a Tualatin.

Reply 3 of 26, by ODwilly

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Just got word from the South Korean guy on ebay and he hooked me up with a simplified version of the crossflash with really good instructions. Wish me luck!

Main pc: Asus ROG 17. R9 5900HX, RTX 3070m, 16gb ddr4 3200, 1tb NVME.
Retro PC: Soyo P4S Dragon, 3gb ddr 266, 120gb Maxtor, Geforce Fx 5950 Ultra, SB Live! 5.1

Reply 5 of 26, by ODwilly

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Ok here is what I have discovered so far, the Tualatin must be pin-modded to work (I picked mine up from the Korean guy on Ebay for $30 shipped) and Dell did not enable support for the chip in their version of the Bios. Old Dell community posts full of dead links hint that through a rather difficult bios flash with the Intel bios and a pin-modded Tualatin it should be possible to upgrade to the ultimate P3 chip. I will keep this thread updated as I find out more and document the steps I take to fail or succeed.

Main pc: Asus ROG 17. R9 5900HX, RTX 3070m, 16gb ddr4 3200, 1tb NVME.
Retro PC: Soyo P4S Dragon, 3gb ddr 266, 120gb Maxtor, Geforce Fx 5950 Ultra, SB Live! 5.1

Reply 6 of 26, by ODwilly

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http://www.mediafire.com/download/165pawz96g9 … ension+4100.zip
(Install method is in "install.txt") here is the link to the download.

Main pc: Asus ROG 17. R9 5900HX, RTX 3070m, 16gb ddr4 3200, 1tb NVME.
Retro PC: Soyo P4S Dragon, 3gb ddr 266, 120gb Maxtor, Geforce Fx 5950 Ultra, SB Live! 5.1

Reply 7 of 26, by ODwilly

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Just a quick update, I want to mention that a pin-modded cpu does not work with this motherboard. Still on my long list of projects to work on to try that Bios cross-flash, have not forgotten!

Main pc: Asus ROG 17. R9 5900HX, RTX 3070m, 16gb ddr4 3200, 1tb NVME.
Retro PC: Soyo P4S Dragon, 3gb ddr 266, 120gb Maxtor, Geforce Fx 5950 Ultra, SB Live! 5.1

Reply 8 of 26, by Skyscraper

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It should be possible to use Uniflash?

New PC: i9 12900K @5GHz all cores @1.2v. MSI PRO Z690-A. 32GB DDR4 3600 CL14. 3070Ti.
Old PC: Dual Xeon X5690@4.6GHz, EVGA SR-2, 48GB DDR3R@2000MHz, Intel X25-M. GTX 980ti.
Older PC: K6-3+ 400@600MHz, PC-Chips M577, 256MB SDRAM, AWE64, Voodoo Banshee.

Reply 9 of 26, by Oldskoolmaniac

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Did anything ever come of this, im in the same boat as well.

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Reply 10 of 26, by Carlos S. M.

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There are some topics on Dell's forum about Tualatin and the Dimension 4100

http://en.community.dell.com/support-forums/d … 3514/t/19440492
http://en.community.dell.com/what-do-i-buy/fo … /4510/t/3078815

If i remember, both the Intel D815EEA and the Dimension 4100 doesn't officially support Tualatins

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Reply 11 of 26, by Oldskoolmaniac

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I read those they don't really say much. Ive bought this modded p3 http://www.ebay.com/itm/Tualatin-P-IIIs-1-4GH … Q0AAOxyRhBSxjSY witch is not working for it. Im really thinking its because this board dosnt support any pentium II processors, look at the powerleap adapters for the bx motherboards all of them show the pentium 3-s as pentium II @ 1.4GHz. So if I could find a modified bios with added support then it should post with the adapter.

Motherboard Reviews The Motherboard Thread
Plastic parts looking nasty and yellow try this Deyellowing Plastic

Reply 12 of 26, by ODwilly

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YA it is possible to flash the intel bios I ended up finding out, tracked down the bios, but did not feel comfortable enough to risk bricking the board. It would not be a big deal, but the bios is soldered to the motherboard 😒 dont want to risk it.

Main pc: Asus ROG 17. R9 5900HX, RTX 3070m, 16gb ddr4 3200, 1tb NVME.
Retro PC: Soyo P4S Dragon, 3gb ddr 266, 120gb Maxtor, Geforce Fx 5950 Ultra, SB Live! 5.1

Reply 13 of 26, by Oldskoolmaniac

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Do you have a link to the intel one? ill be that guy to test it, I can get another board very easy for this if I do brick it.

Motherboard Reviews The Motherboard Thread
Plastic parts looking nasty and yellow try this Deyellowing Plastic

Reply 14 of 26, by ODwilly

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Oldskoolmaniac wrote:

Do you have a link to the intel one? ill be that guy to test it, I can get another board very easy for this if I do brick it.

In the Media fire link around halfway through the page, that is pretty much where I got to before I gave up.

Main pc: Asus ROG 17. R9 5900HX, RTX 3070m, 16gb ddr4 3200, 1tb NVME.
Retro PC: Soyo P4S Dragon, 3gb ddr 266, 120gb Maxtor, Geforce Fx 5950 Ultra, SB Live! 5.1

Reply 15 of 26, by Oldskoolmaniac

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Its fine ill prolly use that tualatin mod for something else then

Motherboard Reviews The Motherboard Thread
Plastic parts looking nasty and yellow try this Deyellowing Plastic

Reply 16 of 26, by ElementalChaos

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Sorry for the necro, but was any progress ever made on this?

Pluto, the maxed out Dell Dimension 4100: Pentium III 1400S | 256MB | GeForce4 Ti4200 + Voodoo4 4500 | SB Live! 5.1
Charon, the DOS and early Windows time machine: K6-III+ 600 | 256MB | TNT2 Ultra + Voodoo3 2000 | Audician 32 Plus

Reply 17 of 26, by Oldskoolmaniac

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The only work around this I believe is to add the 1.4 tualatin code to the bios file before flashing it.

Motherboard Reviews The Motherboard Thread
Plastic parts looking nasty and yellow try this Deyellowing Plastic

Reply 18 of 26, by ElementalChaos

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Sorry for the necro (again) but I think I'm gonna be the one to try this out in a little bit. A bricked BIOS probably means like $40 spent on a new motherboard, which I don't mind that much.

The MediaFire link to the .zip up above seems to have died, so I'm putting it up again as an attachment.

Attachments

  • Filename
    Dimension 4100.zip
    File size
    507.93 KiB
    Downloads
    39 downloads
    File license
    Fair use/fair dealing exception

Pluto, the maxed out Dell Dimension 4100: Pentium III 1400S | 256MB | GeForce4 Ti4200 + Voodoo4 4500 | SB Live! 5.1
Charon, the DOS and early Windows time machine: K6-III+ 600 | 256MB | TNT2 Ultra + Voodoo3 2000 | Audician 32 Plus

Reply 19 of 26, by ElementalChaos

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I've succeeded in flashing the D815EEA BIOS (version P10) onto my 4100!

I did some sleuthing. The .zip up above will not work: it is missing a couple files. I found the .exe to create a working BIOS floppy and have uploaded it as an attachment.

The instructions are similar to what's in the .zip:

  • remove the BIOS jumper to set the machine to recovery mode,
    insert the floppy and power on,
    wait while while the drive grinds and then stops for a bit. You will hear 2 beeps.
    Keep waiting, more drive activity follows. 2 more beeps.
    Once it's done, hold the power button to turn it off,
    unplug, remove the CMOS battery for 15 seconds, reinsert the battery and the BIOS jumper in its original position,
    reboot.

It remains to be seen whether this is enough for Tualatins to work. I'm thinking more than likely. I've messaged the guy selling the pin-modded Tualatins just to be sure.

Attachments

  • Filename
    EA-P10.EXE
    File size
    607.02 KiB
    Downloads
    44 downloads
    File license
    Fair use/fair dealing exception

Pluto, the maxed out Dell Dimension 4100: Pentium III 1400S | 256MB | GeForce4 Ti4200 + Voodoo4 4500 | SB Live! 5.1
Charon, the DOS and early Windows time machine: K6-III+ 600 | 256MB | TNT2 Ultra + Voodoo3 2000 | Audician 32 Plus