RetroTech Chris Profile picture
Oct 25 • 12 tweets • 8 min read • Read on X
I took some time to install Windows 98 SE on the Pentium III Pacman PC! And there was definitely a snag or two I hit along the way. Let's talk about it in a 🧵 here. Image
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So, per usual, first thing I did was carve out some space for the install using my boot manager BootIt. The list of OSes on this PC keeps growing. Image
Installation BEFORE we started configuring drivers went off without a hitch. Just a few yellow exclamation marks to fix up, and of course, we need better video drivers. Piece of cake, right? RIGHT... right... Image
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First up, we set up the network. These 3COM 3C905 cards are typically a snap to set up, and this time was no different! You can find drivers for these almost anywhere too, it seems. Image
As for my Aureal Vortex 1, finding drivers is SLIGHTLY more nuanced, but I found something that works. Drivers from Internet Archive do the trick, just be sure to choose the "Aureal Vortex Au8820 A30373.exe" file inside the archive. And ignore missing file errors on install. Image
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Okay, that just leaves video... oh... video... yeah. So, the issue with video is that I'd install the drivers for my Diamond Stealth III S40, reboot the PC, and all I get is a black screen with an hourglass. Ugh. Image
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Funny(?) enough, people actually had problems with this back in the day too! Many suggestions were offered, including trying older versions of DirectX, enabling interrupts, and I THINK I remember reading somewhere else, disabling hardware acceleration Image
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I tried many versions of DirectX, including the latest, & older versions like 7.0. I was going to try 6.1 to have parity w/ my Win95 install, but that's not supported under Windows 98 SE. No luck with any versions I tried sadly (H/T to for the cool chart) falconfly.3dfx.pl/directx.htmImage
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Alright, FIIIINE, let's disable hardware acceleration. And, yep, that fixed it. Let's try to bump it up a notch to see if we can use it at all even. NOPE! Okay, it stays off. Image
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Look ma, no yellow exclamation marks. I guess this was a success then... well... as much as it could be anyway. Image
Let's map a network drive. Wait.. I can't map to drive Z:? Why? Well, let's add a LASTDRIVE=Z to config.sys and try again. Okay, it works now. Not sure why we had to do this in Win98, but ok šŸ˜‚. We definitely didn't have to do this in Win95. Image
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Anyway, that's gonna do it for now. I hope I was able to inject some degree of humor into your evening. Solving these technical challenges is always fun, and we've added one more OS to this Pentium III. Thanks for following along!

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More from @RetroTechChris

Oct 25
I'm about to wrap up my Pacman PC adventures for now. We've definitely installed an operating system or two on it at this point. Let's fire up a few of the operating systems that we haven't tried recently & see if the sound and video hardware work as expected first. Let's go! 🧵 Image
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So, first, you may ask: why is this necessary, what has changed? Well, at some point, in order to gain sound card compatibility in Windows 3.1x, I installed an Aureal Vortex 1 card. So, I wanted to make sure everything still works! Image
Also, in the past, I have tested a few PCI sound cards for Windows 3.1 compatibility. That thread is here for the interested:
Read 11 tweets
Oct 24
I took a few minutes today and spruced up the Windows 95 install on the Pacman PC! Let's talk about it in a 🧵 here! Image
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So, first of all, I reinstalled the Diamond Stealth III S540 video card in the system. I had removed it to test out a different card that I purchased a few days ago. Image
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With the Internet Archive being back online, I was able to get the drivers I needed! They installed right up. Look at these cool new menus and features we have! Image
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Read 6 tweets
Oct 22
I installed Win95 OSR 2.5 on my Pentium III Pacman PC tonight! The goal was to test out my new ATI Rage XL video card for my eventual ITX Llama PC. And... I gotta tell you, I don't think I made the best choice in hardware here, but I think it SHOULD work. Time for a 🧵. Image
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So, before I got to installing drivers, the Win95 install was pretty straight forward. I always enjoy seeing this screen! Image
After install completed, I took a look and needed some drivers, including for the 3Com network card. So I booted into Windows 3.11 for Workgroups and used the networking capability to copy drivers over to the Win95 partition. Seemed like the easiest thing to do! Image
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Read 13 tweets
Oct 22
I got a video card in the mail today that I plan to use with the ITX Llama when it gets here. It's an ATI Rage XL AGP card. Let's test it out in the Pacman PC in a 🧵 here! Image
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It's been a little while since we have had the Pacman PC on the desk. It's a Pentium III system. Here's a shot of the inside! Image
Alright, so firing this up, I have a few OSes on here. I want to test out this card in Windows 3.11 and Windows 95. I started out by making a copy of my Windows 3.11 partition as to keep the original one "pristine" since we will be mucking around with drivers. Image
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Read 10 tweets
Oct 15
A friend of mine had an 8 Bit ISA Ethernet Card for sale, so I picked it up for the Tandy 1000 SX. Let's get it installed in a 🧵 here! Image
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Installation was as easy as can be. I pulled out the Intel 8/16 card that was in the system (far right) and put in the 8 Bit ISA Ethernet card (far right). Sheesh, I should have taken a picture without that cable in the way šŸ˜‚ Image
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As far as software setup, I wanted to set this up with MS LAN Manager. Okay, no sweat, just swap out the driver in config.sys and C:\lanman.dos\protocol.ini and we are in business. Right? Right... Image
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Read 6 tweets
Sep 15
Here's something a little different from me.. recently I saw a request on a forum: "Can someone make a custom high score file for Tetris for Windows." I figured this could be pretty easily reversed engineered, and indeed it can! Let's talk about it in a 🧵 here.
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Basically, Tetris saves your score in a file called tetris.hst. It asks you if you want to create a high score file after achieving your first high score. tetris.hst is a 660 byte file.


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Okay, let's load this file into a hex editor. Looks like I found a half-decent online one! Next, I'll fill in the file and talk about the format. Image
Read 8 tweets

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