Search found 254 matches

by MK14HAK
Thu Apr 02, 2015 2:55 am
Forum: Buy / Sell / Trade
Topic: 505 board
Replies: 0
Views: 2406

505 board

I would love a 505 board if anyone has a spare. :mrgreen:
Mike
by MK14HAK
Tue Mar 31, 2015 11:24 pm
Forum: Buy / Sell / Trade
Topic: Data Separator for 610 to Drive
Replies: 1
Views: 2204

Re: Data Separator for 610 to Drive

See Grants excellent work here: viewtopic.php?f=3&t=196
by MK14HAK
Fri Mar 27, 2015 1:42 am
Forum: OSI discussion, thoughts, projects
Topic: [Solved] Serial puzzle (was DISKREAD / RAWDUMP)
Replies: 8
Views: 3371

Re: [Solved] Serial puzzle (was DISKREAD / RAWDUMP)

Mark Spankus perhaps remains a hope of further contributions ? I know he has Forth and 65U
by MK14HAK
Fri Mar 27, 2015 12:57 am
Forum: Introductions and Reminiscence
Topic: Does anyone remember Polk Hobby?
Replies: 14
Views: 7150

Re: Does anyone remember Polk Hobby?

Only one lame game of Nim there ! ... ?
by MK14HAK
Fri Mar 27, 2015 12:52 am
Forum: OSI discussion, thoughts, projects
Topic: [Solved] Serial puzzle (was DISKREAD / RAWDUMP)
Replies: 8
Views: 3371

Re: [Solved] Serial puzzle (was DISKREAD / RAWDUMP)

Well that's a blow. :( I was thinking you were sitting on a goldmine of contributed OSI disks etc.. Would like to know what you have on 8" Dave ? I have a few more programs to contribute soon, utilities mainly. Maybe some PET or TRS80 BASIC programs could be converted to OSI and there is probably so...
by MK14HAK
Fri Mar 27, 2015 12:44 am
Forum: OSI discussion, thoughts, projects
Topic: RS-232 mod for C1P
Replies: 6
Views: 3132

Re: RS-232 mod for C1P

See MarkCsele's site for some good RS232 notes: Connector J3 Wiring (for Cassette Tape operation): •Jumper J3 Pin 5 to J3 Pin 6 Connector J3 Wiring (for RS-232 operation): •Jumper J3 Pin 4 to J3 Pin 6 •J3 Pin 2 (RS-232 Out) to DB-9 Pin 2 (Transmit to PC) •J3 Pin 3 (RS-232 In) to DB-9 Pin 3 (Receive ...
by MK14HAK
Fri Mar 27, 2015 12:42 am
Forum: OSI discussion, thoughts, projects
Topic: Help - trying to restore C1PMF
Replies: 51
Views: 12953

Re: Help - trying to restore C1PMF

See MarkCsele's site for some god RS232 notes: Connector J3 Wiring (for Cassette Tape operation): •Jumper J3 Pin 5 to J3 Pin 6 Connector J3 Wiring (for RS-232 operation): •Jumper J3 Pin 4 to J3 Pin 6 •J3 Pin 2 (RS-232 Out) to DB-9 Pin 2 (Transmit to PC) •J3 Pin 3 (RS-232 In) to DB-9 Pin 3 (Receive f...
by MK14HAK
Fri Mar 27, 2015 12:37 am
Forum: OSI discussion, thoughts, projects
Topic: Sunday with my SuperBoard II
Replies: 61
Views: 54234

Re: Sunday with my SuperBoard II

Looking forward to progress with these. Great work Bill.
by MK14HAK
Fri Mar 27, 2015 12:10 am
Forum: OSI discussion, thoughts, projects
Topic: 48 pin bus Backplane
Replies: 1
Views: 1306

48 pin bus Backplane

I am relatively new to the 48pin expansion bus with only having obtained my SuperKit 502 system in the last month. Already I am having issues removing and replacing boards in those tight molex connectors. I grimace each time I have to pull a board with the obvious strain that goes on the boards the ...
by MK14HAK
Sun Mar 22, 2015 11:33 pm
Forum: OSI discussion, thoughts, projects
Topic: ROM-mapping jumper on 50x-series CPU boards
Replies: 7
Views: 4281

Re: ROM-mapping jumper on 50x-series CPU boards

For non purists or those who want to learn what they are missing: http://www.osiweb.org/manuals/cegmon.pdf