Search found 255 matches

by banman
Mon Jan 24, 2022 7:32 pm
Forum: Hardware
Topic: PS/2 keyboard adapter for VIC20 and C64
Replies: 30
Views: 1740

Re: PS/2 keyboard adapter for VIC20 and C64

I found this web link talking about USB and PS 2 protocols...


https://superuser.com/questions/1150204 ... motherboar



Very interesting.........
by banman
Mon Jan 24, 2022 2:16 pm
Forum: Hardware
Topic: PS/2 keyboard adapter for VIC20 and C64
Replies: 30
Views: 1740

Re: PS/2 keyboard adapter for VIC20 and C64

Hi Levoman,


Thanks for the heads up regarding USB to PS 2 protocols on the keyboards. I didn't know that. I think all the USB keyboards I have here have the older PS 2 protocols.

I just had a look at my crosspoint switch IC. Looks like it's a 28 pin leaded version.
by banman
Sat Jan 22, 2022 11:42 am
Forum: Hardware
Topic: PS/2 keyboard adapter for VIC20 and C64
Replies: 30
Views: 1740

Re: PS/2 keyboard adapter for VIC20 and C64

I suspect that AT style, PS 2 style and USB style keyboards are all serial in nature. It is the plug connector that is different. I should clarify this. It should be.... I suspect that AT style, PS 2 style and USB style keyboards use all the same serial protocols. It is the plug connector that is d...
by banman
Sat Jan 22, 2022 11:12 am
Forum: Hardware
Topic: PS/2 keyboard adapter for VIC20 and C64
Replies: 30
Views: 1740

Re: PS/2 keyboard adapter for VIC20 and C64

Sort of like this PCB board..........


AU $1.30 8%OFF | 5 Pcs HTQFP QFN32 to DIP32 QFN32 0.8/0.65mm QFP32 QFP32 PQFP LQFP Adapter Plate
https://a.aliexpress.com/_mPDlTDS
by banman
Sat Jan 22, 2022 11:07 am
Forum: Hardware
Topic: PS/2 keyboard adapter for VIC20 and C64
Replies: 30
Views: 1740

Re: PS/2 keyboard adapter for VIC20 and C64

Hi Levoman and eslapion, That's a very good write up of the keyboard adapter levoman. That's an interesting idea regarding the PCB footprint eslapion. I was wondering if it were possible to make plcc to 28 pin adapter PCB board. This way the plcc adapter board could be plugged into the current PS 2 ...
by banman
Sat Dec 18, 2021 11:44 pm
Forum: Hardware
Topic: 1571 cannot switch to double-sided mode
Replies: 7
Views: 614

Re: 1571 cannot switch to double-sided mode

Hi rmzalbar,

That's great information, thanks very much! :D
by banman
Thu Dec 16, 2021 2:34 am
Forum: Hardware
Topic: 1571 cannot switch to double-sided mode
Replies: 7
Views: 614

Re: 1571 cannot switch to double-sided mode

Hi eslapion and rmzalbar,



I am curious what is the best method and fluids to clean disk drive heads?
by banman
Tue Dec 14, 2021 8:18 pm
Forum: Hardware
Topic: 1571 cannot switch to double-sided mode
Replies: 7
Views: 614

Re: 1571 cannot switch to double-sided mode

Hi sanvigh, That's a very interesting problem. Unfortunately I don't own a 1571 disk drive or C128. Can I ask some questions? Have you tried formatting an appropriate disk in 1571 mode and then formatting another appropriate disk in 1541 emulation mode? Can you get access to a C128? I had lots of pr...
by banman
Fri Dec 03, 2021 9:59 am
Forum: Hardware
Topic: PS/2 keyboard adapter for VIC20 and C64
Replies: 30
Views: 1740

Re: PS/2 keyboard adapter for VIC20 and C64

Hi levoman and eslapion, I got mine from here.... AU $2.41 3%OFF | 1pcs/lot MT8808AE MT8808 DIP-28 https://a.aliexpress.com/_mLb9Fp0 AliExpress has a dispute resolution center for items that don't work. I have used this process a few times successfully. I won't consider buying from a vendor unless I...