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Re: CMS upgraded Sound Blaster - OPL2 = CMS Music in Prince of Persia?

Posted on 2018-09-27, 16:20

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Yes, I know some people don't like posting to old threads, but I'd rather do that in this case than create a new one. I have some interesting news to report. I have two very old Sound Blaster cards: a Sound Blaster 1.5 (CT1320C) and a Sound Blaster 2.0 (CT1350B). Both have the C/MS upgrade chips …

Re: Creating 80186 Based System

Posted on 2018-09-27, 01:54

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

In Yugoslavia Novkabel launched in 1985 a ET188A PC-XT compatible machine based on a 80188 CPU. Machine was fully compatible with PC-XT clones with MS-DOS or CP/M. They chose 188 cpu because it had integrated peripherals so design of the motherboard was easier. Technical Specifications: CPU: Intel …

Re: How to connect MIF-IPC-A to MT-32

Posted on 2018-09-25, 23:29

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

What, no covox? :+ Dammit. It had been a while since I'd heard covox mentioned, and I had forgotten to look into it. Now that I just did, I probably will have to get one of these. But it won't go in my rack, I don't think... (I dunno. Maybe. Damn you!) My setup is somewhat less impressive, but …

Re: Good Composite Monitor Models for CGA NTSC Artifacting

Posted on 2018-09-25, 22:57

in Marvin \ Video

in Marvin \ Video

By contast. the 1084 rather was meant as an Amiga monitor (not *bad* either, but priority was on RGB, so not intended for artifacts). Strictly speaking, the 1084 was made for the C128. It was then modified to the 1084S, where the S means Stereo (and the Amiga also required analog RGB). As keropi …

Re: How to connect MIF-IPC-A to MT-32

Posted on 2018-09-25, 13:23

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Cool! Okay, my "current" (as in, all works-in-progress) builds are: * Tandy 1000 TL/2. 4 8-bit ISA slots. This one is a "nice-to-have" for getting the MT-32 and Sound Blaster (or compatible) running for both MT-32 and digital audio. Mostly for my older Sierra games. * Packard Bell PackMAte 450 (a …

Re: Good Composite Monitor Models for CGA NTSC Artifacting

Posted on 2018-09-25, 13:09

in Marvin \ Video

in Marvin \ Video

I second that idea, just give a CRT TV a try. :) Maybe also an old one in a wooden case, with RF jack. A VCR or external video modulator can help to to interface that with your CGA. Also, have a look at Great Hierophant's blog: http://nerdlypleasures.blogspot.com/search/label/NTSC%20Composite% …

Re: Good Composite Monitor Models for CGA NTSC Artifacting

Posted on 2018-09-25, 13:04

in Marvin \ Video

in Marvin \ Video

aquishix since you are in the US just get a 1084 monitor that has both alalog and ttl RGB inputs. It will be PERFECT for your CGA needs. No need to worry about composite inputs, all 1084 models have it but not all support TLL RGB (it was used in Commodore PCs and the C128) I use a 1084-S , both …

Re: Good Composite Monitor Models for CGA NTSC Artifacting

Posted on 2018-09-25, 13:01

in Marvin \ Video

in Marvin \ Video

Have you tried a CRT TV? Not yet, because up until a few days ago, I didn't have one anymore! I made an attempt to purchase a Sony Trinitron 20" 480i CRT TV back in February, and the idiotic seller did a poor packing job; it arrived completely busted and I got a full refund. A little over a week …

Good Composite Monitor Models for CGA NTSC Artifacting

Posted on 2018-09-24, 15:59

in Marvin \ Video

in Marvin \ Video

I've been on a quest to properly experience the CGA's true abilities over the last half year or so. One of the first things I tried to do was get an Amiga 1080 CRT, and unfortunately it strips out the color completely from my CGA card's composite output. Next, I hooked up the CGA card to a low-end …

Re: Creating 80186 Based System

Posted on 2018-09-23, 15:04

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

My thoughts here are that the 8086 and 80186 were rather 'unfortunate' products in the history of the PC. That is, they were 16-bit CPUs in an era where the 'real' PC platform was still 8-bit. 16-bit ISA slots and chipsets were not introduced until the PC/AT with the 286 CPU. So I have never seen a …

Re: Creating 80186 Based System

Posted on 2018-09-22, 17:34

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

My thoughts here are that the 8086 and 80186 were rather 'unfortunate' products in the history of the PC. That is, they were 16-bit CPUs in an era where the 'real' PC platform was still 8-bit. 16-bit ISA slots and chipsets were not introduced until the PC/AT with the 286 CPU. So I have never seen a …

Re: Creating 80186 Based System

Posted on 2018-09-22, 17:27

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Here's another random tidbit of 80186 exotica from a little less than a year ago: https://hackaday.com/2017/11/03/386-too-much- … 186-in-an-fpga/

Re: Creating 80186 Based System

Posted on 2018-09-21, 15:22

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

There were a few 80186-based PCs, like the Tandy 2000. THAT was the kind of information I was looking for. Now that I think about it, I came across this fact a few months ago but I think it got blurred in my memory with the fact that the Tandy 1000 line included 8086 CPU based models. THANK YOU! I …

Re: Creating 80186 Based System

Posted on 2018-09-21, 15:13

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

186 was designed as a microcontroller and not a general purpose cpu, so its usage was rare. everyone went straight to the 286 for designing new mobos. Sure, but this statement from the AMPRO Little Board manual is pretty intriguing: The Little Board/186 single board computer is based on an 80186 …

Re: Games that don't run properly on faster CPUs

Posted on 2018-09-21, 15:00

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

What about lowering the bus speed on your 486 DX2 system to 25Mhz? That should drop it to 50Mhz. You might even have a 20Mhz bus speed setting, which would give you 40Mhz. Use the turbo button on either of those if they are too fast at full speed to see if it slows it down. And if none of those …

Creating 80186 Based System

Posted on 2018-09-21, 14:49

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

I'm intensely interested in creating an Intel 80186 based system, but all of the motherboards I've seen for sale thus far appear to be intended for microcontroller applications. That's not surprising, since it seems like the 80186 was mostly used for controller cards/boards of various types. The …

Creating New 286 System from Scratch

Posted on 2018-09-21, 14:42

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

As I've mentioned on another thread, there's a 286-shaped hole in my heart and memories. I started with a TRS-80 CoCo II, then moved on to a Turbo XT clone, then to a 386SX-40 based system. I was aware of the existence of the 286 but I never had the opportunity to use one. I don't even know if I've …

Re: How to connect MIF-IPC-A to MT-32

Posted on 2018-09-21, 14:21

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Please forgive me but this is going to be a n00b question to many here. I've been digging through the various threads here regarding 'what is the best sound card' etc. and of course, that varies from person to person. What seems to be consistent though is that there is no one size fits all card. To …

Free Creative Labs CT2940 Sound Blaster 16 Card!

Posted on 2018-09-19, 18:21

in Marvin \ Sound

in Marvin \ Sound

All, I've been trying to collect CT2940s with genuine OPL3 chips on them instead of the stupid CQM CT1978 chips. I've been able to acquire 3 of them, but 1 of them appears to be non-functional. Instead of posting it for sale on Amibay or eBay as "for parts or not working", I've decided to give it …

Re: What retro activity did you get up to today?

Posted on 2018-08-31, 14:12

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Btw I finally got a working KVM switch (with audio even) to switch between my daily driver and retro machines. I should have done this much sooner *_* Excellent. I would've done the same thing, except that I'm insisting on using CRTs for my retro/vintage gear. So I have a dedicated desk and …

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