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NV28 | DEV_ID 0286 | v4.28.20.31.C1

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[ DISCLAIMER ]

important things we have to say

Caution: We try to make these files as safe as possible, but they might not be official and might not be specifically designed for your hardware.

Use at your own risk.

The nViSiON team takes NO responsibility for ANY failure/malfunction/burning of components due to OverClocking, BadFlashing, Flashing at all nor do we support Flashing & OverClocking.

It's just for backup and archive reasons plus it has an informational purpose and shall not animate or encourage to flash your card.

Use it with care, know what you do, we don't take any responsibility for anything that might happen regarding your or your laptops health.

  • Before you consider flashing your mobile GPU you need to have ready to use the following:
  • The original BIOS backed up.
  • a working and plugged in Power AC Adapter
  • a PCI capable Docking station ready to use in case this BIOS is not designed for your mobile GPU and you can't see the Boot Screen.
  • a PCI Video card that will actually override the laptops one (modern cards might not do that, you need to test that BEFORE).
  • an external monitor.
  • Absolutely no fear of what might happen or money growing on trees where a replacement laptop is not a problem.

We (and also NVIDIA) can't & will not support you if something goes wrong! It's your own responsibility.

Be warned.

[ DOWNLOAD / DETAILS / ISSUES RESOLVED ]

notes on every VIDEO BIOS version, Fixes & enhancements description, more detailed specifications for this and all other mobile GPUs can be found HERE.

Downloads will link to an official site, if any. Otherwise, it will link to the appropiate post in this thread from somebody who attached his VIDEO BIOS.

v4.28.20.31.C1 / NV28 P138 Mobile Reference VGA BIOS
released 2004-JAN-21 by DELL for Inspiron 8500, 8600 & Latitude D800
actual BIOS name: 42831C1.rom
actual BIOS filesize: 61.440 bytes (60KB)
ControlBlockVersion: v5.39
Mouse pointer is not visible on LCD after toggling displays.
No display on TV when connecting to composite dongle.
Mouse pointer navigates slowly when moving over Dell Media Experience menu.

v4.28.20.31.A1 / NV28 P138 Mobile Reference VGA BIOS
released 2003-SEP-17 by DELL for Inspiron 8500, 8600 & Latitude D800
actual BIOS name: 42831A1.rom
actual BIOS filesize: 62.464 bytes (61KB)
ControlBlockVersion: v5.39
Lamp Status error when running PSA Diagnostic.

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Guest r.y.a.n

I've got an older version (A01 or A02 in dell version numbers) because the A03 and higher had some messy problems with mouse cursors and opengl..

There was a big fuss about this on the Dell forums and I have some files up on my site for backing up BIOs and stuff.

My version is Version 4.28.20.29.D1

The date of them is 02/28/03 (feburary 28th 2003)

http://forums.us.dell.com/supportforums/bo...essage.id=91085

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r.y.a.n. , can you tell with beeing 100% sure How To backup VideoBIOS.

I mean which application did you use and was your filesize always like in the 64KBs.

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Guest r.y.a.n

The program on my site is just a WinRAR SFX compressed file that adds the NVFlash util to a boot diskette, and changes the autoexec batch file to run the NVflash util with a backup command once the computer is booted from that disk.

So really it's nVidia's own program doing everything and it should work with pretty much every nVidia card.

I know it works because the "PreA03 BIOS" all over dells forums and on my site was created using that disk. I found someone who still had the good BIOS (without the mouse cursor problem) on their system and asked them to try my backup thing, they did and sent me the resulting .rom file, then I flashed my BIOS with it and everything was golden :)

Have had no complaints so far! :)

Edit: The filesize of BIOS backed up with it are 64.0 KB (65,536 bytes) when viewing the 'size on disk' of the file properties

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®®®

so nvflash -b (with version 4) ??

I really have to look at the RAR you mentioned....

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i just downloaded the file, but have to go right now, i 'll have a look at htem later, thanlks r.y.a.n.

That surely will help what you posted, and we need help here . :)

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I've got an older version (A01 or A02 in dell version numbers) because the A03 and higher had some messy problems with mouse cursors and opengl..

There was a big fuss about this on the Dell forums and I have some files up on my site for backing up BIOs and stuff.

My version is Version 4.28.20.29.D1

The date of them is 02/28/03 (feburary 28th 2003)

http://forums.us.dell.com/supportforums/bo...essage.id=91085

Just another question the new BIOS v4.28.20.31.C1 did NOT solve this problem?

Mouse pointer is not visible on LCD after toggling displays.

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Guest r.y.a.n

A03 A04 and A05 (dell versions) all suck apparently, problems in OpenGL apps and the mouse dissappears when placed in this line across the screen. The newer drivers fixed that problem but the openGL still sucks apparently (i never really tested enough to see for myself)

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®®®

I see. Good finding.

What about the -u parameter? Is the pre A03 bios suitable for all kind of 4200Go cards (means different subsys IDs) so that's why there was need to put that in the commandline of the autoexec?

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Guest r.y.a.n

i completely forget what the -u tag is for but i think i may have just used it because it was used when flashing

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used it because it was used when flashing
You mean it was already there (because you copy&pasted that from some other flash procedure you found) and this commandline may be used "officially" by nVIDIA to flash cards.

That would give us a hint that the BIOSs in generally are suitable for all different SUBSYS_IDs of one DEV_ID :)

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Guest rocksy77

My Dell Latitude D800:

SystemBiosDate: 07/08/04

SystemBiosVersion: DELL - 27d40708 Phoenix ROM BIOS PLUS Version 1.10 A10

VideoBiosDate: 12/02/03

VideoBiosVersion: Version 4.28.20.31.C1

:)

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Guest GrimSage

Dell Inspiron 8500

SystemBiosDate: 07/12/04

SystemBiosVersion: DELL - 27d4070c Phoenix ROM BIOS PLUS Version 1.10 A06

VideoBiosDate: 12/02/03

VideoBiosVersion: Version 4.28.20.31.C1

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Guest Nerdtalker
Microsoft Windows XP / 2600.xpsp_sp2_rtm.040803-2158
[Mon 11/29/2004 - 21:28:50]
Graphic card specification for LaptopVideo2Go.com
-------------------------------------------------

VideoBiosDate: 12/02/03
VideoBiosVersion: Version 4.28.20.31.C1 \0Version 4.28.20.31.C1 \0Version 4.28.20.31.C1 \0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0

SystemBiosDate: 07/12/04
SystemBiosVersion: DELL   - 27d4070c\0Phoenix ROM BIOS PLUS Version 1.10 A06\0\0

PCI\VEN_10DE&DEV_0286&SUBSYS_01791028&REV_A1\4&2EEAE0A0&0&0008
   Name: GeForce4 4200 Go LaptopVideo2go.com
   Hardware ID's:
       PCI\VEN_10DE&DEV_0286&SUBSYS_01791028&REV_A1
       PCI\VEN_10DE&DEV_0286&SUBSYS_01791028
       PCI\VEN_10DE&DEV_0286&CC_030000
       PCI\VEN_10DE&DEV_0286&CC_0300
   Compatible ID's:
       PCI\VEN_10DE&DEV_0286&REV_A1
       PCI\VEN_10DE&DEV_0286
       PCI\VEN_10DE&CC_030000
       PCI\VEN_10DE&CC_0300
       PCI\VEN_10DE
       PCI\CC_030000
       PCI\CC_0300
1 matching device(s) found.

DISPLAY\DEFAULT_MONITOR\5&39627D05&D&00000100&01&00
   Name: Default Monitor
   Hardware ID's:
       Monitor\Default_Monitor
   Compatible ID's:
       *PNP09FF
DISPLAY\DEFAULT_MONITOR\5&39627D05&D&00000120&01&00
   Name: Default Monitor
   Hardware ID's:
       Monitor\Default_Monitor
   Compatible ID's:
       *PNP09FF
DISPLAY\DEFAULT_MONITOR\5&39627D05&D&00000200&01&00
   Name: Default Monitor
   Hardware ID's:
       Monitor\Default_Monitor
   Compatible ID's:
       *PNP09FF
DISPLAY\HTC1C46\5&39627D05&D&00000110&01&00
   Name: Plug and Play Monitor
   Hardware ID's:
       Monitor\HTC1C46
   Compatible ID's:
       *PNP09FF
4 matching device(s) found.

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®®®

:) :) Thanks Nerdtalker :P

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Enialator

I have read this post and as you can see by my signature I am curious, but also very afraid! Want to update my 4200 will I be needing this info to do so? Eni

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Bill

As I said in the other thread go visit Dell's download page and look for the harddrive version of the Video BIOS for your card, should be a peace of cake and safe if you know/pay attention to what you are doing.

Also can you move some stuff from your system info into your signiture or something, the long left collumn almost hurts my eyes. (ive seen much worse, if yours was longer I'd fix it myself)

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