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W98 AGP issues on AMD VIA chipsets

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First post, by bobsmith

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So I've experienced this myself on a MSI K8T Neo2 using an ATI Radeon X800 GTO which the specifics of this issue are seen in my post history, and have seen PhilsComputerLab experience the same issue here https://www.youtube.com/watch?v=KtyLkfvozck&t=696 despite him having an Nvidia card. The graphics drivers will install fine and display the desktop in high color, but no Direct3D device gets found and no kind of 3D acceleration will work. Phil says using a different Nvidia driver works, but on ATI the only driver that supported my card (Catalyst 6.2) didn't work at all, and I could never get it to detect any kind of Direct3D device. I have heard of plenty of AGP video card issues with W98 on this platform including memory issues, limited AGP speeds, texture acceleration not working and the card not even working in general but has anyone else faced this issue before, or could speculate why it's happening?

Last edited by bobsmith on 2023-11-02, 18:55. Edited 1 time in total.

Main PC : MSI PRO B650M-P Ryzen 5 7600, 32GB DDR5-5600, XFX RX 7600
P3 build : ASUS CUSL2-C, Pentium III @ 733MHz (Coppermine), Voodoo3 3000 AGP, 384 MB SDR-100, Audigy 2 ZS, Netgear GA311

Reply 1 of 5, by Repo Man11

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There is a known issue with Via chipset Socket 754 motherboards and later BIOS. Take a look at this thread: Not Another Ultimate Windows 98 Build

"I'd rather be rich than stupid" - Jack Handey

Reply 2 of 5, by Joseph_Joestar

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Yup, known issue with VIA chipsets. See also this thread, since you have a similar motherboard: MSI K8T NEO-V + Athlon 64 - very slow 3D performance in Windows 98 (works great in Windows XP)

Sometimes, flashing the oldest available BIOS can help, but not always.

PC#1: Pentium MMX 166 / Soyo SY-5BT / S3 Trio64V+ / Voodoo1 / YMF719 / AWE64 Gold / SC-155
PC#2: AthlonXP 2100+ / ECS K7VTA3 / Voodoo3 / Audigy2 / Vortex2
PC#3: Athlon64 3400+ / Asus K8V-MX / 5900XT / Audigy2
PC#4: i5-3570K / MSI Z77A-G43 / GTX 970 / X-Fi

Reply 3 of 5, by brian105

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Yes, I had this exact problem on my Via AM2 build. Windows ME worked with the same Nvidia card.

Presario 5284: K6-2+ 550 ACZ @ 600 2v, 256MB PC133, GeForce4 MX 440SE 64MB, MVP3, Maxtor SATA/150 PCI card, 16GB Sandisk U100 SATA SSD
2007 Desktop: Athlon 64 X2 6000+, Asus M2v-MX SE, Foxconn 7950GT 512mb, 4GB DDR2 800, Audigy 2 ZS, WinME/XP

Reply 4 of 5, by AlexZ

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For a very fast Windows 98 system use Athlon XP or P4. They are both very cheap. Socket 754 is early Windows XP territory, a slightly better Athlon XP.

Pentium III 900E, ECS P6BXT-A+, 384MB RAM, NVIDIA GeForce FX 5600 128MB, Voodoo 2 12MB, 80GB HDD, Yamaha SM718 ISA, 19" AOC 9GlrA
Athlon 64 3400+, MSI K8T Neo V, 1GB RAM, NVIDIA GeForce 7600GT 512MB, 250GB HDD, Sound Blaster Audigy 2 ZS

Reply 5 of 5, by Repo Man11

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AlexZ wrote on 2023-10-31, 21:47:

For a very fast Windows 98 system use Athlon XP or P4. They are both very cheap. Socket 754 is early Windows XP territory, a slightly better Athlon XP.

My Asus Socket 754 system worked perfectly with Windows 98 SE as long as it had an early BIOS installed. Re: Not Another Ultimate Windows 98 Build My 3D Mark 2001 score dropped from just under 14,000 to just over 7,000 points with a newer BIOS, so there are times where the newest BIOS isn't the best BIOS.

I enjoy playing with my Socket A systems, but Socket 754 is better in so many ways: ease of installing the heatsink on the CPU, a much less fragile CPU, less heat in general.

"I'd rather be rich than stupid" - Jack Handey

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