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Schematics for 88-Disk-AddOn available?

Can anyone tell if (where) the schematics for the Disk add-on are available? The reason for my question: a while back I worked on a project that includes battery backed SRAM, just using a small CR2032, and it is working very well and keeps the data. I simply would like to review the ram backup porti...
by no0207
May Sat 21, 2016 9:10 am
 
Forum: Altair 8800 Micro
Topic: Schematics for 88-Disk-AddOn available?
Replies: 1
Views: 5803

my current project - a cheap DIY world time wall clock

Recently at work I had the honor to visit the IT department in their office. One thing there immediately caught my attention: they have five or six analog clocks lined up on a wall, each of them showing the local time of one of our plants or offices around the globe. Of course nowadays you can have ...
by no0207
Aug Sat 30, 2014 6:05 am
 
Forum: Venues, projects and off topic stuff - NO SPAM
Topic: my current project - a cheap DIY world time wall clock
Replies: 0
Views: 5884

my first PDP11

must admit I always wanted to have one. In my eyes the PDP11 is one of the most notable milestones of computer history. Some weeks ago I could not resist the temptation anymore - and bid on a 11/73. To my own surprise I won the auction at a moderate price. The box + backplane is actually not an orig...
by no0207
Jun Wed 04, 2014 5:08 pm
 
Forum: Venues, projects and off topic stuff - NO SPAM
Topic: my first PDP11
Replies: 1
Views: 6378

finally I have it... my exemplar of an IBM M keyboard

After years of typing on lousy cheap computer keyboards I finally came back to the roots... the IBM M "clicky" keyboard! Simply feels great! There is still a company around that makes these keyboards: http://www.pckeyboard.com/ However they are also available cheaper second hand at ebay. J...
by no0207
May Wed 14, 2014 5:32 pm
 
Forum: Venues, projects and off topic stuff - NO SPAM
Topic: finally I have it... my exemplar of an IBM M keyboard
Replies: 1
Views: 6439

cassette interface

Actually I am just watching out for the next hobby project. On the internet I found this document, which describes a cassette recorder interface for the Altair: http://www.classiccmp.org/dunfield/altair/d/cassette.pdf It is from long time ago but as it looks the parts are still available. Honestly, ...
by no0207
May Mon 05, 2014 2:37 pm
 
Forum: Altair 8800 Micro
Topic: cassette interface
Replies: 5
Views: 11544

Re: Firmware updated to V0.905

Vince,

it looks like the download link for the PockeTerm firmware in your post above is broken. Can you please have a look?
I am sure I must have somewhere a CD Rom with the firmware, but just cannot find it at the moment :-(
by no0207
May Sun 04, 2014 4:12 am
 
Forum: PockeTerm General Discussion
Topic: Firmware updated to V0.905
Replies: 5
Views: 10275

Re: FYI: Briel Altair 8800 YouTube Videos and Blog Posts

@Jeff: thank you very much for making and sharing those videos on youtube! I watched them all and enjoyed it really very very much. That was also a good reminder to get back to this neat little computer and spend some time playing with it. Recently I found a very interesting website, related to CP/M...
by no0207
Mar Sun 30, 2014 6:15 pm
 
Forum: Altair 8800 Micro
Topic: FYI: Briel Altair 8800 YouTube Videos and Blog Posts
Replies: 5
Views: 8030

ressurrection of the "Cray 1"

This is amazing, isn't it?

http://gigaom.com/2014/01/14/the-search ... mputer-os/

I am definitely sure I *HAVE TO* build such a desktop model for my desktop as soon as I get a chance.
by no0207
Jan Sat 18, 2014 4:56 pm
 
Forum: Venues, projects and off topic stuff - NO SPAM
Topic: ressurrection of the "Cray 1"
Replies: 1
Views: 6708

Merry Christmas!

My best wishes to all of you! Enjoy the Christmas time.
Just playing with an old electronic typewriter (with a very crude TTL interface) I thought this was an opportunity for a somewhat unusual seasons greeting card ;-)
BTW the sound of such a typewriter as it prints is really amazing...
by no0207
Dec Tue 24, 2013 7:11 am
 
Forum: Venues, projects and off topic stuff - NO SPAM
Topic: Merry Christmas!
Replies: 0
Views: 5509

Re: The CPMputer ;-)

Finally received the long awaited PCB. Putting things together was (as always) the easy part - took only two to three hours. But somehow no sign of life came out of the machine. Until I finally realized the /CTS input to the Z180's cereal interface was actually not on low. Had to rearrange things a ...
by no0207
Oct Thu 31, 2013 4:23 am
 
Forum: Venues, projects and off topic stuff - NO SPAM
Topic: The CPMputer ;-)
Replies: 3
Views: 8597

Re: another PockeTerm up and running :)

As you recommended Vince, deactivating the PC interface speeds things up. Could verify that through running a lengthly hex dump from a quite powerful host - if the PC interface is on, every now and then some chars get lost. If the PC interface is off, everything gets displayed properly. Btw just dig...
by no0207
Oct Sun 20, 2013 2:28 pm
 
Forum: PockeTerm General Discussion
Topic: another PockeTerm up and running :)
Replies: 3
Views: 7217

Re: another PockeTerm up and running :)

Thank you vince. Deactivation of the PC com port is a very good hint. Unfortunately the Z80 system I am playing with can only 115200 Baud and nothing else - but I am waiting for another board where I can configure Baud rate... There is one hint I would like to forward to other PockeTerm users - in c...
by no0207
Oct Sun 20, 2013 3:14 am
 
Forum: PockeTerm General Discussion
Topic: another PockeTerm up and running :)
Replies: 3
Views: 7217

another PockeTerm up and running :)

This morning I finished my PockeTerm kit. Actually I was much in doubt during the process of soldering it that box would ever work - some of the soldering points and the gaps between soldering point and GND area are really tight. But somehow it works - looks like the solder resist does the trick ;) ...
by no0207
Oct Sat 19, 2013 12:32 pm
 
Forum: PockeTerm General Discussion
Topic: another PockeTerm up and running :)
Replies: 3
Views: 7217

Re: Questions regarding on/off switch

Sorry. Please forget my question and forgive me. I was still at work when I asked it. Looking at the PCB i can see of course which pins must be connected :oops:
by no0207
Oct Fri 18, 2013 2:48 pm
 
Forum: PockeTerm General Discussion
Topic: Questions regarding on/off switch
Replies: 1
Views: 4416

Questions regarding on/off switch

I ordered the PockeTerm as PCB only, mainly to avoid Customs Duty. No problems to get the parts - with one exception: for the on/off switch I cannot get a piece with identical footprint. Also no problem - can mount another type of switch to the casing and wire it to the board. My question: to which ...
by no0207
Oct Fri 18, 2013 8:26 am
 
Forum: PockeTerm General Discussion
Topic: Questions regarding on/off switch
Replies: 1
Views: 4416
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