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  • wa2flq's Avatar
    Yesterday, 09:19 PM
    I remember coming across this back when I had a PDP 11/34. The cables running from the controller to the KY11-LB laid pretty flat in the chassis. I...
    3 replies | 80 view(s)
  • wa2flq's Avatar
    June 14th, 2019, 07:33 PM
    wa2flq replied to a thread PDP-11/34A interrupt problem in DEC
    Congratulations! Learned a few new things myself. Try a .DIFF/BIN RT11SJ.40 RT11SJ.060 and the differences and locations will be quickly...
    28 replies | 540 view(s)
  • wa2flq's Avatar
    June 14th, 2019, 10:13 AM
    wa2flq replied to a thread PDP-11/34A interrupt problem in DEC
    It definitely possible. The console addresses are easily patchable w/o having to generate a new system. See...
    28 replies | 540 view(s)
  • wa2flq's Avatar
    June 13th, 2019, 03:36 PM
    wa2flq replied to a thread PDP-11/34A interrupt problem in DEC
    I see in your later postings that you have made good progress in sorting out the various questions or issues - congrats. In regards to the question...
    28 replies | 540 view(s)
  • wa2flq's Avatar
    June 12th, 2019, 02:51 PM
    wa2flq replied to a thread PDP-11/34A interrupt problem in DEC
    Note: In addition to placing 0 in the vector and status word for any interrupt you are testing, place a 0 starting at address 0. That will...
    28 replies | 540 view(s)
  • wa2flq's Avatar
    June 12th, 2019, 11:48 AM
    wa2flq replied to a thread PDP-11/34A interrupt problem in DEC
    The 11/34 should clear PSW after power startup or Control - INIT from the programmers console. FYI - the 11/34 has both the addressable PSW and the...
    28 replies | 540 view(s)
  • wa2flq's Avatar
    June 12th, 2019, 07:58 AM
    wa2flq replied to a thread PDP-11/34A interrupt problem in DEC
    Enable the LTC using just the Console DL11-W board. Use address 177546 instead of 176500 and vector 100 instead of 300. Enable the RTC switches....
    28 replies | 540 view(s)
  • 8008guy's Avatar
    June 6th, 2019, 07:24 PM
    Thanks for the great project! I have three and have realy enjoyed the luxry of having the drive space. Len
    5 replies | 328 view(s)
  • wa2flq's Avatar
    May 25th, 2019, 08:44 PM
    Yes insert R to T if you haven't already. Great! This result and layout appears correct too!
    20 replies | 1091 view(s)
  • wa2flq's Avatar
    May 25th, 2019, 08:15 AM
    Hi Maurice, Summarizing the information from your notes I think we have the following. 1) The 11/23 processor is 22bit (Rev C) 2) The...
    20 replies | 1091 view(s)
  • wa2flq's Avatar
    May 24th, 2019, 04:34 PM
    Great, you've got three good memory boards. So the problem is when you mix them together. The most likely causes are: 1) Incorrect...
    20 replies | 1091 view(s)
  • wa2flq's Avatar
    May 24th, 2019, 07:31 AM
    After reviewing the strapping, given that you had this card set to 18bits, I still confused as to why the MEMX program can show more than 128K words...
    20 replies | 1091 view(s)
  • wa2flq's Avatar
    May 23rd, 2019, 06:56 PM
    Getting clean results on 32KW of memory is great progress. I do see that MEMX program reports 292KB (146KW) before it halts which is >18bits, but...
    20 replies | 1091 view(s)
  • wa2flq's Avatar
    May 21st, 2019, 08:33 PM
    The M0847 (MXV11-A) being a multifunction card provides including memory, 2 x serial ports, crystal clock and rom devices. Make sure you don't have...
    20 replies | 1091 view(s)
  • wa2flq's Avatar
    May 20th, 2019, 08:57 AM
    wa2flq replied to a thread ODT copy and paste in DEC
    Short Answer: S L O W L Y Long Answer: Some terminal emulators allow you to specify the delay between characters and/or delay between lines....
    7 replies | 427 view(s)
  • wa2flq's Avatar
    May 19th, 2019, 12:17 PM
    This is not a code, but the PC address when the processor halted - in octal. Its low in the 28KW range that RT11SJ would use. Its a bit hard to...
    20 replies | 1091 view(s)
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First it was leaded solder, now itís coffee

by 8008guy on April 2nd, 2018 at 04:33 AM
Quote Originally Posted by luckybob View Post
From the advances in medicine I've seen in my (relatively) short time on this rock, we are close to having replacement internals. They take your dna, stick it in a pig, wait a few months. BAM! New organs and bacon! Even in mechanical replacements, they are working hard. I read not to long ago about some trials on replacement kidneys. Yea, it might suck if things go the route of Repo! or Repo Men.


Replacment inplys that somepeople had one to replace! In some cases

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