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MSI 850 Pro2 problem

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First post, by th1r5bvn23

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Got a MSI 850 Pro2 mobo and tried to install Windows XP but failed. It always hanged at boot screen or 2nd stage installation with hdd led always on but in fact no activity. Tried both a STEC 8GB CF card and a WD 80GB IDE hdd which were detected by BIOS correctly. (primary master)
Also I found a weird behavior when using that WD hdd. Fdisk from 98SE boot disk reported ~11GB and after reboot it reports ~10GB.
I couldn't boot into preinstall environment either. I used a Samsung TS-H652H IDE DVD writer to boot from a all-in-one preinstall environment CD. With 2003 PE I failed at loading ramdisk and it reported cannot read file, and with XP PE I hanged up at loading shell (explorer, a customed PE).
Since there was no bluescreen I doubt there was problem with IDE controller (ICH2 southbridge), but PE failed too and it made me confused. What should be the problem?
Edit: My PSU don't have 6pin AUX connector. It's a Delta NX350.

Last edited by th1r5bvn23 on 2019-09-23, 03:15. Edited 1 time in total.

AMD K6-2+ 500, FIC PA-2013 2.0 (1MB cache), 128MB SDRAM PC100, Voodoo3 3000 AGP, Labway Yamaha YMF719B-S with NEC XR385
AMD Athlon 64 3000+, ECS K8M800-M3, 512MB DDR 400, GeForce FX 5200, SoundBlaster Live! SB0060

Reply 1 of 5, by Warlord

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my instinct is that its bad ram modules. id start with removing the ram and trying individual sticks to running memtest86 if that doesn't work.

Remember that setup and PE load a lot, and work from system memory. If you have a bad stick of ram or a fualty memory module then this kinda thing will happen.

Reply 2 of 5, by Doornkaat

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I'm not very familiar with Socket 423 but I think using the 6pin connector was required. See what the manual says about this.

With IDE troubleshooting it's always a good start to try other cables. IDE cables have a bad habit of breaking all the time.

Warlord's RAM suggestion is also a good idea.

Reply 4 of 5, by th1r5bvn23

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dionb wrote:

MSI was using some pretty terrible caps around the time this board was made. Check them too...

All the capacitors are in good shape. 8 Rubycon MBZ caps (with T prefix) were used for CPU VRM and most of other caps were SANYO, except 4 taller Elite 16V caps and one small TAYEH cap near southbridge. All of them look pretty well.

AMD K6-2+ 500, FIC PA-2013 2.0 (1MB cache), 128MB SDRAM PC100, Voodoo3 3000 AGP, Labway Yamaha YMF719B-S with NEC XR385
AMD Athlon 64 3000+, ECS K8M800-M3, 512MB DDR 400, GeForce FX 5200, SoundBlaster Live! SB0060

Reply 5 of 5, by th1r5bvn23

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Problem solved. It was my using too little memory (64M x2) that caused Windows PE not booting. And the CF card I used to install Windows XP initially was too slow for it.

AMD K6-2+ 500, FIC PA-2013 2.0 (1MB cache), 128MB SDRAM PC100, Voodoo3 3000 AGP, Labway Yamaha YMF719B-S with NEC XR385
AMD Athlon 64 3000+, ECS K8M800-M3, 512MB DDR 400, GeForce FX 5200, SoundBlaster Live! SB0060

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