RetroTech Chris Profile picture
Jul 27 20 tweets 13 min read Read on X
I recently received this Dell Inspiron 700m from my friend Bill. Originally a Windows XP system. I thought "maybe I could make this a mean DOS/Windows For Workgroups 3.11 system." Let's give it a shot in a 🧵 here, I bet we can get pretty close! Image
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First thing I did was to look in the BIOS. This system is a Pentium M 2.0 GHz with 512MB of memory. The optical is a CD-RW/DVD. Okay, this should be more than adequate for what we want to do here 😂. Oh... and look, we can boot from a USB floppy drive! Okay, let's do that. Image
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First thing I thought I would do is to boot DOS 6.22. And... look at that, I even had the right drivers set up to detect the optical drive. Win! Image
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So, next up, I installed, yes, you guessed it, BootIt Bare Metal. I carved out a nice 2GB space for a DOS partition, and we are now ready to rock and roll! Image
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I went about the steps of doing a "sys C:" to make the HDD bootable (not shown), and copied over some files, and from there we can now boot off of drive C:. Also.. hi 😂..this shiny screen is reflective, you will probably see me again 🤣 Image
Next up, I wanted to copy some files over. I just assume use the Broadcom B440x network interface in this beast to do such, and I already had a MS LAN Manager image ready to go. So I wrote it out using rawrite for Windows, booted up, and copied some files off the Raspberry Pi! Image
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Next, I wanted to set up a wireless network card in DOS. The integrated WiFi is too "new" for DOS, but you may have noticed from the opening picture that I put a Cisco Aironet 350 in this system! I found some SystemSoft CardSoft PCMCIA drivers online too... will they work? Image
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The answer: kindof. I ran the installer you saw in the last pic, but nothing got detected. HOWEVER, I found the docs for the integrated Texas Instruments PCI7240 PCMCIA controller online, and it is compatible with the Intel 82365SL standard. Hmm... can we improvise? Image
Yes. Yes we can. I fired up a LTE 5400 for inspiration to see the order that drivers needed to be listed, copied over the drivers from the installer by hand, and swapped in the "SS365LP.EXE" driver for the first line of needed drivers.. and IT FREAKING WORKED! Awesome! Image
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From there, I installed Windows for Workgroups 3.11 and started to configure the network card! Image
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My network is set up for 802.11b with 128-bit WEP. We just need to set the SSID and manually add one line to C:\windows\protocol.ini to make this work (AuthMode=WEPOPEN). The WEP key is set at the card level, so it gets picked up. And... look at that, we can FTP to my web host! Image
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As an aside, it was just yesterday where we covered how to set the WEP key in DOS, here's a throwback to that thread 😂
Let's move on and set up video. Using the amazing and relatively new vbesvga driver, this is a piece of cake. This driver even has an installer now. We're set to 1024x768 in no time flat! Image
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Let's move on and try to set up sound. I still lament the loss of the "turkeys4me" website by watlers_world. I do have an archived Intel ICH AC'97 driver from there though, and my friend Matt put what we could find on for posterity. archive.orgImage
Anyway, sadly, no luck. I tried every way to Sunday with changing settings, etc. and the driver just won't work. Perhaps I need to tweak it a bit since it is ICH4 compatible which is newer than ICH. Who knows. Oh well, we tried. Image
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Let's at least see if we can get SOME sound working. So I installed SBEMU in DOS and did the requisite configs. And the card is detected! Well, good, that's at least something. Maybe I can steal SBEMU code in the future 🤣 Image
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Here's a quick demo of Commander Keen with SBEMU. Sounds GREAT!!
I thought I might as well configure the Broadcom B440X network card too. We have to do some legwork to make an oemsetup.inf file. I referenced a past video of mine to remember what to do 😂. Basically we can steal an oemsetup.inf from Broadcom 57xx drivers and repurpose it. Image
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With the legwork done, I can now add the card. Unfortunately, the two cards fight each other on startup. I think there are some conflicts that I still need to resolve in the upper memory region that is causing instability. Oh well, we'll tackle that another day. Image
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So, anyway, that is it! Getting "newer" machines to run DOS & Win3.X software is always interesting, and systems of this era are fairly problematic. We resolved most issues, maybe we will revisit this another day too. Thanks for following along!

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More from @RetroTechChris

Jul 26
I got a few items in the mail for my Compaq LTE 5000 laptops! A power adapter... and a bunch of Cisco Aironet 350 wireless network cards from a friend who bought like 50+ of them 😂. Let's test out the network cards and go through how to set them up in MS-DOS!! Time for a 🧵 Image
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Before I get into the setup procedure, I wanted to inform that I do have a setup procedure for this on one of my old "crap film quality" videos (not that the newer ones were better 😂). If you want a video walkthrough, hosted by a younger RTC, go here! Image
To make these cards work in MS-DOS, we need an older firmware. It has become a bit scarce online, so I put it in my GitHub repo: github.com/cml37/dos-util…Image
Read 16 tweets
Jul 26
Memory testing, final round! Mostly good news, but some bad news too. What happened? And... just how many memory spares did we end up having? Let's find out, 🧵 time! Image
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First, let's talk about the cliffhangers from last time. Both the CompUSA custom and the eMachines T2341 finished their round of testing, and are good to go! Image
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Now for some bad news. I ended up using the Pacman PC for a lot of PC100/PC133 testing, and when I put everything back together, the 512MB DIMM started to fail. Boo! So we are back to 768MB, but we got to use DIMMs that I bought a while back that were in my basement PII PC. Image
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Read 9 tweets
Jul 23
Memory testing, round 3.. fight! 🧵 Image
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So, first of all, the Pacman PC passed its tests with flying colors! Woot! I'll leave it at 1GB for future fun. Image
As such, I've moved on to the CompUSA PC. It has an Intel SE440BX-2 motherboard. Oh, here we go again, that i440BX chipset. Also, looks like the manual and The Retro Web disagree here on max memory, but I bet with the right kind of 256MB chips, we could hit 768MB. Image
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Read 7 tweets
Jul 23
Memory test round 2: fight! Let's talk about what we are up to today, in a 🧵here! Image
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First, some good news. After running for 9 hour or so, the Abit PC in the basement passed multiple times! I didn't snap a picture, so this one from yesterday will have to do 😂 Image
Now for some bad news: the eMachines failed on a SINGLE BIT on a SINGLE PASS of its 2GB memory. I want to keep this one at 2GB, so I am re-running MemTest86+ on it again. If it passes a round or two, I will leave it. Image
Read 8 tweets
Jul 22
I went to visit my friend Bill yesterday, and he gave me "just a few" DIMM and RDRAM modules 😂. Shall we explore a bit and upgrade some PCs? Methinks yes. Time for a 🧵 Image
The first order of business was to sort a bit. I looked up a fair number of chips to get this far, and also got a little lazy and "guessed" on a few. But we can see we have PC100/133, DDR, DDR2, and Rambus modules here, in varying capacities! Image
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The first thing I am going to do is set the Rambus aside, since I can't test that! This will also probably be true for the DDR2 (and actually DDR3 as well) memory, but that's ok. And yes, those blanks are for populating unused Rambus slots in a motherboard. Image
Read 18 tweets
Jul 13
Last week, I took my ISA to USB card out of my Tandy 1000 TX. Today it finds a new home in my 486 DX4/66. Let's get it installed and talk about it briefly in a 🧵 here! Image
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And before I get into that, recall that if you purchase one of these ISA to USB cards, they are pretty much good for mass storage devices only. Also, I did design a bracket for these a few years back if you need one! Image
When I cracked the case on this system, I realized that pretty much every slot is in use. I am going to remove this second serial port header for now, which freed up the bottom slot. All put back together, and this is what we see now. This is one power-packed 486 PC 😂 Image
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Read 7 tweets

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