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Hi,
I recently changed my Motherboard and CPU from a K7S5A (ECS) with an XP2000+ CPU to an Aopen AK-77 8XN with a Duron 1300.
My PSU is 550W,memory is Kingston PC2100/512MB, HDD : Seagate barracuda ST340016A (40 GB) and an IBM Deskstar 120GXP (80GB), Video : Voodoo Banshee 16 MB PCI
I put in the new MB and CPU,hooked up the drives and tried to boot my system.All hardware is recognized corectly in the postscreen.
The system wants to boot up the OS (XP), but after 10 seconds, the system resets itself and gets into a reset and boot loop.I diabled the cach and shadow options in the bios, without result.
Since I had a dualboot system, I tried Win98 to start up, but run into the same problem.I try to boot from cd, start the setup for win Xp, but run into a blue stop screen with error 0X0000007E after the setup loads the files and gives the message "starting up windows"
Tried to start in Safe mode, no resultThis looks like a hardware conflict,but tried a lot of things already.
My CPU's FSB is 100Mhz, the memory is DDR266.Can this create this problem ?Can anyone help me with this one ?
Thanks

At that point in the boot sequence, XP is ttrying to load the video drivers. It sounds like it keeps failing to load the drivers and restarts to try again. Can you hit F8 and select VGA mode, or safe mode?

Is it stable when you're in BIOS or does it reboot? If it fails then it's probably a bad memory stick. you can exercise it with this:Memtest86
if it is stable then the FSB setting may be wrong. Although the FSB can go slower than the RAM rating, it can't go faster.
Even so the PC2100 ram is spec'd at 266MHZ and should be ok.

I think your asking an awful lot of your new motherboard in trying to recognize your old hard drive especially since you have two OS's on it. Try putting an empty hard drive in there and installing your OS's again.

Why did you "downgrade" your system? Was there a prob with your old board?
Before you switched over, did you go to the device manager & remove the IDE controller? It's possible that Windows is still looking for an SIS 735 chipset & your new board has what...VIA KT400?
Maybe this will help:
http://www.windowsreinstall.com/install/other/motherboard/win98me.htm
http://www.windowsreinstall.com/install/other/motherboard/winxp.htm

You guys are fast in responding !!!!
Thanks !!1 :
I can select safe mode, but run into the same problem when the booting sequense continues : the system gets a reset and loops2 : It is stable in BIOS , The FSB is set on the MB to 100Mhz, the Ram settings are set to auto : FSB 100,multiplier 2.66 ' ddr 266
3: I will indeed try to install XP to a new HD .The problem is that my "old" master drive had my system configured in a good way, and I would like to get this configuration back.
4: Jam, I did not remove the IDE controller, that's a very good point. Thanks for the links provided. Looking into that right now
Thanks all.
If more suggestions, let me know please.
Jim

Jam,
I "downgraded" my system because my CPU got fried. I had a D1300 laying around, and got a new MB.

a rule of thumb, the multiplier is determined by dividing the processor speed by the FSB speed (if you aren't overclocking)

What concerns me is the video card verses the new motherboard...
A pci 16 mg card on an 8x capable agp board?
I dont think so. Most of those boards specifically state you cant use even a 2x agp card or it wont boot up much less a 1x pci card.
I believe this is your problem. Get an updted video card. Even the 64 meg gainward agp cards are cheap now.
Good Luck
p.s. I am sure you disabled agp in your bios but I doubt that card will run with your board anyways....

As long as you use a PCI card it should work with the AK-77 8XN. The fact that it did POST and attempts boot indicates at least rudimentary function.
"The system wants to boot up the OS (XP), but after 10 seconds, the system resets itself and gets into a reset and boot loop"
I agree with Normande in that you are expecting a lot from a hard drive setup with a different MB. If you don't want to rebuild the hard disk, do you have another HD to install a fresh copy of win98? The current drive could be slaved or mounted on the secondary IDE for the time being. That way you'll have backup capacity.

Disabled all USB/Cach/onboard audio/LAN
I was able to boot from CD, and run the XP setup. The computer is way slower this way, and after a couple hours, when the setup gets into the "installing drivers " section , I get the eror message "IRQL_NOT_LESS_OR_EQUAL "I checked the message board for this error, and it looks like either a memory error,or a device driver that's missing.
Since I can't gets into the OS to update any device drivers, that's not an options I guess.
I also got an error "CDR4_xp.sys" dumping physical memory to disk.Any suggestions ?

You still have issues with the setup of the RAM. Have you tried to set the FSB to 133mhz?
I would re-enable the L2cache. that disabled makes the computer reaaaalllll sssslllllooooowwww.
I was just reading about the duron 1300 Here with some interesting comments on the FSB multiplier.
all these things can cause the instability.

The FSB on the MB is set to 100.
If I set the jumper to 133, the system doesn't post at all.
I set the multiplier of the DDR 266 memory to 2, so the memory runs at 200 MHZ.I'm going to try to put a different video board and pc1600 in, because the errors I'm getting ,now that I'm able to run the XP setup(see number 10),are leading that direction.
To be continued .....

Humm, i had a similar situation with a 512MB 133MHZ SDRAM card in my FIC motherboard. I had set the FSB to 133MHZ. It didn't boot either. I had to set it to Auto in BIOS. I guess at 133MHZ the rating is top the end and it becomes marginal at that speed.

The end of the XP/MB problem in sight ?
Following RayMan's advice ,I selected my second drive (former slave) as master, disabled the sec. master and slave and did a clean Xp install to the former D drive.
In order for this to work, I had to disable ALL caching in the BIOS, disabled USB support and onboard audio (and codec), since I was getting the blue stop screens again.
Video card is still Voodoo banshee, but Robbie's suggestion for a newer AGP card sounds good.
FSB jumper on MB = 100 , I set the multiplier for the memory to "2" , since DDR266 kept giving me trouble, so the momory is DDR200 now.
I was finally able to get through the whole setup.I think it took like 10 hours with all the caching disabled.
Had a bad storm last night, and saw that system had restarted overnight.
Will start over tonight, but at least , it looks like this is working .
I hope after the whole installation is complete, I can turn the BIOS configuration back to normal, because my calculator works faster than my D1300 right now.

What an ordeal! Once installed, i would do extensive system checks between re-enabling caching, USB and audio. With the OS stable it may single out the real (hidden) problem.
Oh and get a good surge protector (not one of those $15 power strips either).

Finally solved !!!
XP is "fresh" installed on the new master.
Flashed the BIOS to latest update ,installed MB drivers,enabled all caching again ,and enabled all onboard harware (USB/audio/Lan) in BIOS.
All exterior hardware recognized properly by XP.Current settings :
CPU FSB =100 , Multiplier = 13
RAM FSB =133 , multiplier auto (2.66) DDR266
Voodoo Banshee running fine again.It looks like the OS is running stable now for about 1/2 day.(knocking on wood)
Being busy installing all software again !Just looking around now, how to "delete" the MBR from my old master,since XP keeps giving me a disk check on this drive .
RayMan, funny you brought up the surge protector. Got another pretty heavy storm again yesterday !! Will do !!Thanks to all of you for the help.
This forum RULEZ !!!!

The best surge protection is distance. Ideally you should unplug it and the telephone / cable connection.
When you go for the surge protector, pick one that covers all the bases.
And if you have the spendolas go for a Un-interruptible power supply (UPS). Besides keeping power to your machine, one of the things they will do is regulate the voltage. this is important if your area experiences brownouts. lo line voltage will kill your installed OS for lack of adequate power during a write operation.

I've seen this issue alot... all you had to do after you where able to boot from the XP cd is choose repair your windows installation (not recovery console), ie hit enter first then hit "R"... it leaves all software installed in the registry including... the only think you have to do is redownload updates for the OS.

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