QuickSilver cartridge

Hardware questions and modifications

QuickSilver cartridge

Postby raphnet » Sun Oct 04, 2020 11:21 pm

This week-end I decided to take a close look at the BIOS patches included in the QuickSilver cartridge! A mostly useless activity, but it was fun.
https://www.raphnet.net/divers/pcjr_qui ... dex_en.php

Unfortunately I do not have a QuickSilver cartridge. So I was wondering if any of you would have pictures of one you could share with me which I could add to my page with your permission?
Also I would like to know what chips are found in this cartridge as it could provide hints or answers as to how the cartridge was implemented. I'm assuming it tried to include
as little as reasonably possible of the original IBM BIOS code, so surely it's not merely a 32 kB ROM, or is it?
raphnet
 
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Re: QuickSilver cartridge

Postby raphnet » Sat Oct 17, 2020 1:48 am

Yes those are perfect! Thank you so much for taking the time to take those pictures!

Thanks to these I was able to add a small section to my page where I try to learn what I can by following the tracks on the PCB.
https://www.raphnet.net/divers/pcjr_qui ... x_en.php#6
raphnet
 
Posts: 5
Joined: Thu Mar 26, 2020 5:52 pm

Re: QuickSilver cartridge

Postby prpplague » Mon Oct 19, 2020 9:48 am

raphnet wrote:Yes those are perfect! Thank you so much for taking the time to take those pictures!

Thanks to these I was able to add a small section to my page where I try to learn what I can by following the tracks on the PCB.
https://www.raphnet.net/divers/pcjr_qui ... x_en.php#6


nice write up!
prpplague
 
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