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RetroTech Chris Profile picture
@RetroTechChris
Feb 15 • 7 tweets • 5 min read • Read on X
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Recall that new Win3.1 video driver that we looked at recently? It just keeps getting better and better. I reported an issue with network sharing and "green lines" on startup a few weeks ago, and it is now fixed! I decided to build the driver from source, let's talk about it! 🧵
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The process to build the driver is nicely documented! I downloaded the Win16 DDK and placed it at C:\DDK31 in a DOS6.22/Win3.1 VM. I also installed Microsoft Visual C++ 1.52c, and grabbed a copy of EXE2BIN from FreeDOS. Image
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From there, in DOS, I edited the C:\MSVC\BIN\MSVCVARS.BAT file as directed and ran it. Okay, we are ready to build! Image
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First, I built the VBESVGA.DRV file. It's a matter of navigating to the VBESVGA directory (that you place within the DDK directory structure) & running "make". One step failed, I just ran it by hand & it succeeded (not shown). Once built, I copied the driver to C:\WINDOWS\SYSTEM Image
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From there, we build the 386 Enhanced Driver. You navigate to the VDDVBE directory that you place in the DDK, and run "nmake". When done, just copy the driver to C:\WINDOWS\SYSTEM. Image
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At this point, I just launched Windows since I had already configured this new driver before. But if you haven't, the steps to do such are pretty straight forward, you just need to edit C:\WINDOWS\SYSTEM.INI accordingly. Image
And that's it! I love seeing the progress on this driver. If you haven't seen it yet, you can find it at . I presume new file versions will be posted soon that contain this fix, I was just impatient 😂. Thanks for following along.

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More from @RetroTechChris

RetroTech Chris Profile picture
Jun 3
Recently, I announced that I was working on a packet driver for the DaynaPORT SCSI/Link, which will bring wireless support to DOS for select SCSI emulators. But did you know there are other wireless solutions available as well? Let's talk other methods I have used in a 🧵 here! Image
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First, and this one is tried and true, and I have used it the longest: the Cisco Aironet 350 PCMCIA cards. I presume you could also use the PCI desktop cards, but haven't tried it. You're limited to 802.11b and 128-bit WEP, but these cards work GREAT!
Next up is another personal favorite: PicoMEM. These cards emulate the ubiquitous NE2000 standard and bridge it to wireless! Amazing little cards that do a lot more than wireless networking too: HDD/FDD emulation, EMS memory, and USB mouse to name a few:
Read 9 tweets
RetroTech Chris Profile picture
Jun 2
I'm behind on my testing... let's check out these new XTIDE Deluxe cards that I picked up from Monotech PCs that arrived this week and answer a few curiosity questions. Time for a quick 🧵 Image
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I installed a CF card into the first XTIDE Deluxe card, and installed it into an ISA slot in the Rustbucket PC. I also have a SCSI drive in this system. And.. as we can see here in my boot manager, BootIt Bare Metal, both drives are present! Perfect! Image
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So, the question that I got asked about this card is: can you plug something into the CF card slot AND into the IDE connector? YES, yes you can. I proved it out with this Western Digital Caviar 22500 drive. We have a CF card, IDE HDD, and SCSI HDD now, and all are detected! Image
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Read 5 tweets
RetroTech Chris Profile picture
Jun 2
I got this dual floppy drive in the mail this week! It's a 1.2MB 5.25" and 1.44 MB 3.5" combo drive by Teac! Let's check it out in a 🧵 here! Image
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So, first, let's talk about the model number. Figuring this out was a little confusing: there's one model number on the top, and then, since each drive is its own entity, I found a label for the bottom drive too. But, looking at the manual, this is a Teac FD-505 Image
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Let's start out with some drive ASMR. Here you can hear the drive booting up MS-DOS 6.22. I did cut out some "dead space," but we have a floppy seek and a boot from the 3.5" drive!
Read 6 tweets
RetroTech Chris Profile picture
Jun 1
I bought this BlueSCSI V2 back in April. My goal was to get WiFi in DOS. Well, there is just one problem: there aren't any drivers for that. Well, that just changed 😂. This is very beta, but I wrote a DOS packet driver, and it seems to be working well!
Big shout out to @wrljet who provided moral support, suggested tools, and offered suggestions!
@wrljet Code repo is here! I am not an expert at this, but hey, it works 😂
Read 6 tweets
RetroTech Chris Profile picture
May 25
I made it through testing the rest of the ISA and PCI interface cards that I talked about yesterday... erm... at least as well as I could. I'd say things went pretty well! Let's talk about it in a 🧵 here! Image
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We'll use Windows 98 SE for the testing again. And I'm starting out with a "freshly" copied partition again. It's for the best when installing a bunch of drivers. Image
So, first up, I tested out the Sound Blaster Audigy 2! It works okay, it does have some "static" occasionally. Probably needs a recap. Muting CD Audio and Line In seems to help. But otherwise it sounds pretty good! Image
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Read 20 tweets
RetroTech Chris Profile picture
May 24
A few weeks ago, I purchased a group of 17 ISA and PCI cards of all different types! I've had a chance to test out some of them and the results have been PRETTY good, despite an issue here and there. Let's talk about the first round of testing in a 🧵 here! Image
So, first, this is the shipping box for the card. Eek! And, naturally none of the cards were in ESD bags. Oh well. Annnnyway, moving on, I stacked and sorted. 6 NICs (plus 2 bonus ones I bought), 5 sound, 1 IDE, 1 video capture, 3 misc interface, and... 1 MODEM 😂😂 Image
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We'll use the Rustbucket PC to do the testing. It has both ISA an PCI slots, which is what we need! I'll make a backup of the Windows 98 install on here first before we start shoving a bunch of cards and drivers at it! Image
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Read 15 tweets

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