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Acorp mobo onboard video

Trish's Escape from Hardware Hell Help Board » Hardware » Video Related Problems » Acorp mobo onboard video « Previous Next »

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Posted on Monday, January 26, 2004 - 8:20 am:   

I have an acorp 4pm266am mobo with agp s3 prosavage ddr video onboard the mobo has the via pm266 chipset and an open agp slot. I have tried clearing cmos, contacting s3 & acorp with no results. If I add a video card to the agp slot it doesnt work, there are no BIOS settings to disable onboard and the manual states nothing about it. could there be a jumper on the mobo if so I cant find it does anyone know how to add agp video card to this mobo I have tried for a month now
Wayne Lewis
Posted on Tuesday, January 27, 2004 - 9:46 pm:   

Where there is no setting to disable in CMOS, some are automatically disabled when using the AGP slot. some CMOS setups also have the option of which to initialize i.e. AGP slot, PCI slot etc. Also some slots will need an AGP VXD installed. Do you have your original motherboard driver disk?
Posted on Thursday, January 29, 2004 - 10:16 am:   

Yes I have the origional disk, I switched the bios to agp from pci but the onboard adapter is agp also and it doesn't seem to recognize the add on card, not sure how to do the vxd installation, I updated all the drivers even for the via chip.This mobo is new purchased around xmas 2003, origionally I had a problem with the origional drivers and my monitor but updating them seemed to fix it.I even did a clean install of windows me after formating the hd,with all the new drivers. Some games just wont work with the onboard video. I really appreciate you responding as this one has got me stumped and it doesnt seem manufactorers give much in the way of tech support anymore.
Wayne Lewis
Posted on Thursday, January 29, 2004 - 2:25 pm:   

No "AGP slot" option in the Bios?

Is there a readme.txt on the original driver disk that may mention AGPVXD?
Posted on Thursday, January 29, 2004 - 6:24 pm:   

No the only thing is a engineers data for the video card but it states nothing about the motherboard. The manual is pretty good except where it comes to the agp slot, it shows a diagram of the mobo and even has the agp slot pictured but makes no mention of it or how to disable it. I have a disable feature in the bios for modem, onboard audio, and the onboard lan card, but nothing for agp except the agp/pci switch and agp&p2p bridge which has aperature size, mode, and driving control, if driving control is switched to manual it adds agp fast write, ws write and ws read thats all. this board will take either ddr memory or regular 100/133 sdram, I am currently using the 133 sdram and the thought had enterd my mind that I might need to upgrade to the ddr memory, but I couldnt imagine how that would affect agp, could the slot just be a leftover and not actually function. the manual makes no mention except to say the onboard video is agp which seems to use system ram.
Wayne Lewis
Posted on Thursday, January 29, 2004 - 9:05 pm:   

Try to download AIDA32 (should be easy to find.) After it is installed, run it and go to:
computer > system slots | see if the AGP Slot is listed.

If you haven't heard of AIDA32, it is an excelent free diagnostic program. it should give you all the information about your system.
Wayne Lewis
Posted on Thursday, January 29, 2004 - 9:07 pm:   

It should have been:

computer > DMI > system slots
Wayne Lewis
Posted on Thursday, January 29, 2004 - 9:53 pm:   

Also, I downloaded the manual for your borad. Look at page 3-70. Were all 4 boxes checked when you installed it? It mentions miniport -- AGPVXD is sometimes referred to as that.
Wayne Lewis
Posted on Thursday, January 29, 2004 - 10:35 pm:   

Also (again), what voltage and speed is the AGP card you are trying to install? If you have the exact model of adapter that would be helpful.

Sorry to keep posting, but this problem has got me intriged.
Posted on Friday, January 30, 2004 - 7:19 am:   

I ran the programs you suggested aida32 reports agp in connection with the s3 prosavage onboard card, when i ran the chipset utility listed on page 3-70 I only get 3 checkboxes the one for IRQ routing miniport driver does not appear.
Posted on Friday, January 30, 2004 - 7:23 am:   

I'm sorry misread your instructions didnt see the secont part went back and ran aida32 and it reports the agp slot as empty.
Posted on Friday, January 30, 2004 - 7:38 am:   

The card Im trying to install is ATI Rage xpert 2000 Pro the voltage listed as +5v +-5% 0.4V typical, +3.3+- 5% 1.4 typical, and +12V =_5% 0.03 typical, supposed to be agp 1.0 and 2x compliant, mode 2x-4x I noticed that it does request irq11
Wayne Lewis
Posted on Friday, January 30, 2004 - 1:04 pm:   

Most APG 2.0 slots should support both 3.3V and 1.5V, but some may only support 1.5V which is normal for a 4x. Your manual said it was 2.0 but on page 3-70 on the check boxes it looked like it said 3.0 which will support .8V (might have been a typo for the 3.0.) The manual for you AGP card shows that it requests an IRQ, but perhpas your board's BIOS may not asign one. I hate to say it but your card may not be compatible with your board.

Can you get your hands on a 1.5V card (borrow or something) to see if it will work?

Posted on Friday, January 30, 2004 - 4:05 pm:   

It may take some time but I'll try to find one I really do appreciate all the time youve spent trying to help I've worked and worked on the problem to no avail THANKS

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