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View Full Version : Will any 16 bit vga card work with a 286?



codyw1996
March 30th, 2017, 06:39 PM
I have a 286 laptop which I use for testing 16 bit assembly programs on actual vintage hardware.

I would rather use the 286 laptop for everything (writing and compiling) without relying on my modern laptop and dosbox, because the 286 has a much better keyboard and a built in number pad. However, it has a horrible display. The ghosting on it is so awful, that I lose the cursor constantly while editing asm files.

Tried to capture a pic of the LCD ghosting while scrolling text.
37439

So, i've been looking into external monitors for it. It has a 9 pin display connector, compatible with an mga, or cga monitor which would be just fine if they weren't so stupidly expensive.
I can't find a decent CGA monitor on eBay for less than 200 bucks! I wouldn't pay more than 50.

It also has a 16 bit, and an 8 bit isa slot, but I have no idea if any old isa vga card would work in a system this old. I remember seeing crappy Trident isa vga cards in systems from the Pentium III era.

Pic of the 9 pin mga/cga display port as well as the ISA slot.
37440

So 8 bit vga cards are too expensive for me. However, the 16 bit cards are still cheap, guess they aren't very rare yet. But will any old card "just work" in my system?

I'm not too familiar with hardware this old, the laptop runs dos 5.0. I would like a card with 16 colors @ 640 x 480, but really I would settle for 80 x 25 monochrome.

norm8332
April 5th, 2017, 07:53 AM
I have a Western Digital 16 bit VGA card in a 286 desktop, shouldn't be an issue. But in your case I wonder if the on-board video can be disabled of if there will be a conflict.

soviet9922
April 5th, 2017, 10:17 AM
I see a 16bit slot on your computer you can use any VGA ISA card there.

Also if you like modding can perform the same mod i did, remove the b/w blurry screen and install a new vga one
https://preview.ibb.co/g6XgDv/20170302_123648.jpg (https://ibb.co/efvORF)
imagenes en jpg gratis (https://es.imgbb.com/)

I used one like this
http://www.ebay.com/itm/10-1-IPS-LCD-Display-ModuleHDMI-VGA-2AV-Driver-Board-for-Raspberry-Pi-/201063938929?hash=item2ed0583b71:g:5ToAAOxy0zhTOTg j

If theres free space inside the case to fit the controller board is quite easy mod.

codyw1996
April 19th, 2017, 09:04 PM
If theres free space inside the case to fit the controller board is quite easy mod.

Ok, so how do I do it?
I don't own a soldering iron, and I have next to no knowledge of electronics at the hardware level.