Search found 186 matches

by chuckphd53
Sun Dec 29, 2024 7:07 pm
Forum: Design Ideas 💡
Topic: ADLIB/MPU-401 Expansion bay
Replies: 10
Views: 171059

Re: ADLIB/MPU-401 Expansion bay

cool.... keep your progress posted
by chuckphd53
Mon Sep 23, 2024 10:41 am
Forum: Sell / Buy / Trade / Free
Topic: I have an IBM PC jr, the monitor and a printer- want to sell
Replies: 4
Views: 66768

Re: I have an IBM PC jr, the monitor and a printer- want to sell

Good Luck Nancy....
these are good finds when they have been stored and not used,.....

Hope it goes to a good home....

Chuck
by chuckphd53
Thu Jul 18, 2024 6:11 pm
Forum: Gallery 📸
Topic: Pics Color System
Replies: 8
Views: 122005

Re: Pics Color System

Hoping to get back on this next year once we get in our new house....
so little time ugh...
by chuckphd53
Thu Jul 04, 2024 4:25 pm
Forum: Progamming / Learning 📚
Topic: TTL DATA BOOK 1976.
Replies: 0
Views: 26942

Re: TTL DATA BOOK 1976.

I suspect yes using FGPA or CPLD software, mostly Xilinx type devices are used for complex designs
but CPLD small device chips have been used to program specific input to output schemes...
by chuckphd53
Thu Jul 04, 2024 6:17 am
Forum: Progamming / Learning 📚
Topic: PCJR Cartridge Items.
Replies: 2
Views: 20299

Re: PCJR Cartridge Items.

Agree, no reason it should not work just fine.
Speed is usually the concern but with the chips today... not a problem.
keep an eye on the Voltage ratings of course, lots of chips today are 3v types.
Then only thing I might be concerned about is edge transistiin timing, Some of the older designs
Can ...
by chuckphd53
Wed Apr 24, 2024 8:25 am
Forum: Gallery 📸
Topic: Pics Color System
Replies: 8
Views: 122005

Re: Pics Color System

send me a PM with your email.....
I'll send you the STL files for what I have...
by chuckphd53
Wed Apr 24, 2024 2:18 am
Forum: Gallery 📸
Topic: Pics Color System
Replies: 8
Views: 122005

Re: Pics Color System

let me find that design and will post it for ya... it is a two piece that I super glued looked ok
by chuckphd53
Tue Apr 23, 2024 2:02 pm
Forum: Gallery 📸
Topic: Pics Color System
Replies: 8
Views: 122005

Re: Pics Color System

I have made sides what size are you needing for the Racore
Can you take measurements. exact if possible in metric :)

do you have a 3d printer ?


Oh also if you look at the purple unit , it has my 3D printed side you can see it is 2 parts because of length..
by chuckphd53
Thu Dec 07, 2023 7:36 am
Forum: IBM PCjr Talk ⌨️
Topic: SMARTDRV.SYS
Replies: 1
Views: 47987

SMARTDRV.SYS

MESSAGE FROM RYAN:

Hi Chuck,
Long time! I hope all is well with you.

I was looking at your autoexec and config page today and I was curious about your Device =smartdrv.sys Line in your config.sys. I know it is following your Zip drive device line and I know that palmzip recommends using it, but ...
by chuckphd53
Fri Oct 27, 2023 4:07 pm
Forum: IBM PCjr Talk ⌨️
Topic: Brittle case?
Replies: 2
Views: 20772

Re: Brittle case?

HAHA,,,, yuppers those tabs are OLD like aging legs, they may bend alittle but mostly break....

But as long as the board aligns in the case the few screws do a good job....

Let us know how you like the jr..

Welcome on board
chuck
by chuckphd53
Mon Aug 28, 2023 7:52 pm
Forum: IBM PCjr Talk ⌨️
Topic: Playing with the Band
Replies: 2
Views: 20757

Re: Playing with the Band

music heals the soul !
by chuckphd53
Sun Aug 27, 2023 10:33 am
Forum: IBM PCjr Talk ⌨️
Topic: Playing with the Band
Replies: 2
Views: 20757

Playing with the Band

All.... I have been busy with work and play.....
Not Jr related but we all need some fun time...
here is how I have been relaxing..


https://www.youtube.com/watch?v=rW3rrJ4MMms
by chuckphd53
Sat Aug 05, 2023 5:43 pm
Forum: IBM PCjr Talk ⌨️
Topic: Gotek HD Image Support on PCjr
Replies: 2
Views: 21136

Re: Gotek HD Image Support on PCjr

interesting..... keepus informed
by chuckphd53
Sun Apr 16, 2023 9:45 am
Forum: Gallery 📸
Topic: MY working system
Replies: 4
Views: 32192

Re: MY working system

On Ebay

SEJIN PS2
KEYBOARDS ARE BACK

https://www.ebay.com/itm/165840756856?hash=item269ce12078:g:EGoAAOSwCJdjn5B6&amdata=enc%3AAQAIAAAAwD2X8juOkT5xlkVhFyOMvvZIZNRdEX9728ml574MMFx6ubvaosY2Bu2nPABhjMp6HYNHeW3N8L%2FLxzrCnqisEQZXeKcgYPgZ5OjYD70Wc2Aw1XXR3klSwZb2RQFLLXank0KPfq4Q%2BeXcmJxzN5T2ILJ ...
by chuckphd53
Sun Mar 19, 2023 6:48 pm
Forum: Sell / Buy / Trade / Free
Topic: PCjr PS/2 Adapters
Replies: 7
Views: 42339

Re: PCjr PS/2 Adapters

Yes I can make one for you..
PM me with your mailing address

chuck
by chuckphd53
Wed Mar 08, 2023 1:06 pm
Forum: Sell / Buy / Trade / Free
Topic: PCjr PS/2 Adapters
Replies: 7
Views: 42339

Re: PCjr PS/2 Adapters

I just ask for the parts and shipping cost......I do it for the Jr Folks so we can have fun :)
by chuckphd53
Wed Mar 08, 2023 6:13 am
Forum: Sell / Buy / Trade / Free
Topic: PCjr PS/2 Adapters
Replies: 7
Views: 42339

Re: PCjr PS/2 Adapters

I can make you a ps2 adapter...
by chuckphd53
Tue Mar 07, 2023 5:26 pm
Forum: Sell / Buy / Trade / Free
Topic: PCjr PS/2 Adapters
Replies: 7
Views: 42339

Re: PCjr PS/2 Adapters

Are you wanting a Jr keybrd to PS2 ???

chuck
by chuckphd53
Fri Sep 30, 2022 8:19 am
Forum: IBM PCjr Talk ⌨️
Topic: PCjr Patched Game Repo?
Replies: 1
Views: 18453

Re: PCjr Patched Game Repo?

I do not know of a site that has this support,
I know a couple of the old timers have done this but not really formalized it...

This is the link that Jim did years back.....
https://www.youtube.com/watch?v=BCSaKuqPrf4
by chuckphd53
Sat Sep 24, 2022 6:29 pm
Forum: Gallery 📸
Topic: ICJ's PCjr in photographs
Replies: 1
Views: 17483

Re: ICJ's PCjr in photographs

Great stuff...a nice clean system too ! good job.