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Search: Posts Made By: TomL_12953
Forum: Announcements 10-21-2017, 11:54 PM
Replies: 21
Views: 1,401,594
Posted By TomL_12953
I know this is an old message but I'm still...

I know this is an old message but I'm still interested in a replica if you ever start producing them again!
Forum: Announcements 03-06-2017, 10:47 AM
Replies: 21
Views: 1,401,594
Posted By TomL_12953
Re: Great to hear

I looked on S100 but didn't see anything. What's the URL?

Tom L
Forum: Altair 8800 08-04-2010, 12:51 PM
Replies: 8
Views: 11,005
Posted By TomL_12953
Price of Altairs

The high-end prices are for vintage Altairs, not replicas. A replica might go for about $2000.00-$2500.00 if it includes other boards and you catch the right buyer. As good a job as Grant did in...
Forum: Altair 8800 05-30-2010, 11:41 AM
Replies: 1
Views: 3,519
Posted By TomL_12953
Bus Termination?

I have Grant's 18-slot motherboard and am having a great deal of trouble getting a known-good ACR board to work. Is it possible the bus has too much noise or ringing (I'm not a hardware person so I...
Forum: Troubleshooting 05-24-2010, 02:35 AM
Replies: 2
Views: 172,938
Posted By TomL_12953
+5V Adjustment

My ACR is only reading +3.9V on the UART when it should be +5V. Does my power supply need adjusting? If so what's the best method? Do I remove all the cards and measure the bus lines? I don't...
Forum: Troubleshooting 05-17-2010, 10:28 AM
Replies: 2
Views: 18,855
Posted By TomL_12953
I finally ot it fixed! the guy who fixed it...

I finally ot it fixed! the guy who fixed it said:
"The tape write section had some damage. It wasn't even generating a carrier tone. I had to replace 2 chips. They were both binary counters and...
Forum: Altair 8800 04-29-2010, 07:37 PM
Replies: 3
Views: 4,194
Posted By TomL_12953
Do you have an oscilloscope? It seems hard to...

Do you have an oscilloscope? It seems hard to fix these things without one.

If you do, let me know and also let me know your rates! Thanks for the reply.
Forum: Altair 8800 04-12-2010, 01:24 PM
Replies: 0
Views: 8,001
Posted By TomL_12953
Has Grant Come Back?

Someone has cleaned up this board and gotten rid of the SPAM! Is that you, Grant? Thank you whoever you are!

If you ARE getting involved here again, Grant, how about sending the ACR boards I...
Forum: Altair 8800 04-07-2010, 01:57 PM
Replies: 1
Views: 68,697
Posted By TomL_12953
Altair 8800 Case

Try:

http://www.altair32.com/

Rich has an excellent Altair emulator and also has plans for a real front panel to interface with it. I use his emulator with a real ASR-33 Teletype. It works...
Forum: Altair 8800 04-02-2010, 07:49 AM
Replies: 3
Views: 4,194
Posted By TomL_12953
Need Person to Repair ACR

I have an Altair ACR (2-board set) that puts out a very low level signal and doesn't read any commercial tapes. I've tried troubleshooting it myself with no luck so now I'm looking for a person who...
Forum: Classifieds 03-31-2010, 01:16 PM
Replies: 0
Views: 4,915
Posted By TomL_12953
Need Person to Repair ACR

I have an Altair ACR board (2-board set) that puts out a very low level signal and doesn't read any commercial tapes. I've tried troubleshooting it myself with no luck so now I'm looking for a...
Forum: Altair 8800 10-10-2009, 02:47 AM
Replies: 8
Views: 11,005
Posted By TomL_12953
AltairKit For Sale

How much memory, how many slots, what boards are included?
Forum: Classifieds 10-07-2009, 05:33 PM
Replies: 0
Views: 4,489
Posted By TomL_12953
WTB: Altair Disk Controller

I'm looking for the two-board set for interfacing the Altair with 8" hard-sectored floppy disk drives.
Forum: Altair 680 09-24-2009, 06:29 PM
Replies: 6
Views: 7,471
Posted By TomL_12953
OK, I'm still waiting for a copy! Your post was...

OK, I'm still waiting for a copy! Your post was on 8/14/09 and it's 9/27/09 now. Are you still with us?

P.S.
Where's my ACR???
Forum: Altair 8800 09-14-2009, 09:37 AM
Replies: 2
Views: 13,354
Posted By TomL_12953
Cool A New BASIC Tape

I just got a cassette of 4K BASIC version 4.0. Now I don't have to mess with having to stop and change the switch settings after loading the tape. I can create paper tapes of this version, too. I...
Forum: Classifieds 09-09-2009, 03:26 AM
Replies: 0
Views: 4,360
Posted By TomL_12953
Cool FS: Tenor Model 763 EPROM Programmer

I have a Tenor Model 763 EPROM Programmer for 1702 and 1702A EPROMS. It works just fine and is in good cosmetic condition, too. Pics available on request. List price is $950.00 (when new of...
Forum: Announcements 09-08-2009, 04:53 AM
Replies: 6
Views: 35,364
Posted By TomL_12953
I know this message is old but there is a device...

I know this message is old but there is a device that does something like this.
You plug a VGA monitor and PS/2 keyboard into it and it acts like a dumb terminal.
It responds to VT-100 codes rather...
Forum: Altair 8800 09-07-2009, 11:27 PM
Replies: 3
Views: 3,433
Posted By TomL_12953
Thumbs down ACR Woes

Sorry I haven't responded sooner, Marty!
Thanks for the suggestion but unfortunately I didn't hear
any difference in the signal when I changed the value of the
resistor (even replacing it with...
Forum: Altair 8800 09-07-2009, 08:43 PM
Replies: 3
Views: 3,433
Posted By TomL_12953
Lightbulb Need Help with Programming Package II?

If you've downloaded the tape images of the programs in Programming Package II from the Altair32 site, you may have had trouble loading the monitor program (which needs to be done before any of the...
Forum: Troubleshooting 09-01-2009, 02:04 PM
Replies: 2
Views: 18,855
Posted By TomL_12953
Question ACR Volume Too Low

What would cause the output of an ACR cassette interface to be very faint? I tried a friend's ACR board and when I plug its output into an amplifier and do a CSAVE from BASIC, I can hear the correct...
Forum: Altair 8800 08-31-2009, 01:46 PM
Replies: 2
Views: 13,354
Posted By TomL_12953
BASIC Paper Tapes

Do you have a paper tape reader but not a punch? Do you want to re-create the agony/joy of an authentic vintage computer experience and load BASIC from paper tape the way God (or Bill Gates,...
Forum: Altair 8800 08-29-2009, 04:05 PM
Replies: 1
Views: 3,022
Posted By TomL_12953
60 Hz Line Frequency

In the manual for the Real-Time Clock, it says that unrectified +16v has to be brought to pin 55 of the motherboard to use the RTC with the 60 Hz line frequency. I seem to remember reading here...
Forum: Altair 8800 08-28-2009, 12:54 PM
Replies: 9
Views: 6,232
Posted By TomL_12953
Re: Loading BASIC With Tera Term

Oops! There's a difference in terminology here! I sometimes refer to the two ports on the 2SIO as Port 1 and Port 2 rather than Port 0 and Port 1 so my Port 1 would be your Port 0! OK, so I'm...
Forum: Altair 8800 08-25-2009, 01:26 PM
Replies: 9
Views: 6,232
Posted By TomL_12953
I have the 232CL9R. It's quite easy to hook up...

I have the 232CL9R. It's quite easy to hook up (for me to be able to use it, it would HAVE to be!) Make sure you get a 12v power supply, too since the loops are passive (need external power) You...
Forum: Altair 8800 08-25-2009, 01:10 AM
Replies: 9
Views: 6,232
Posted By TomL_12953
Originally I had Geoff set up the board for port...

Originally I had Geoff set up the board for port 1 being TTY and port 2 being RS-232 but port 1 never worked right. I had him convert it to RS-232 as well and now use a B&B Electronics Serial to...
Showing results 1 to 25 of 80

 
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