Mike's PCjr Page

Well that did not work... Is cartridge Basic compatible with JrConfig?

Hi. Can anyone here outline to me how to perform the Tandy sound modification on my PCjr? I understand that it is simply a matter of re-routing the sound chip output. I recently acquired Battle Chess but I have no sound when running it in Tandy mode...

Walid

Well I finally got the chance to perform the Tandy modification and so far tested it on FS3 and Silent Service II both of which work great with the Tandy option. Ultima V however does not automatically recognize Tandy mode and will lock up if forced to use that mode. Same issue with Gunship and Shin...

Believe me, all the effort you put on this site is incredibly appreciated as it is a unique resource. Thank you.

Walid

While I admire your principles Mike, I personally think that one has to use some common sense when it comes to matters such as these. Given that the information in that newsletter is dated 1989 and could not possibly be of any commercial value whatsoever, I would make a good faith effort at contacti...

Great! Would you mind emailing the instructions to me to wmaalouli@comcast.net? Better yet maybe you can have Mike post them on this site for everybody's benefit.

Thanks for taking the time to look for them.

Walid

I did the memory upgrade to an IBM sidecar, and I can vouch that it was a delicate and very time consuming operation, specifically the desoldering of the old chips using a combination of soldering pencil, braid and vacuum pump. I ended up socketing all the new chips because I am not sure the board p...

If memory serves me correctly, my PCJr is out of warranty he he...
I really appreciate any help you can provide here.

Walid

Hi.

Would you happen to still have the technical details of making the PCJr graphics Tandy compatible? I have had no luck so far locating this on the net...

That worked. Thanks again.