From: ohland@charter.net   
      
   Is this just a breakout card, or does it have actual components?   
      
   Kevin Bowling wrote:   
   > On 6/2/24 06:11, Louis Ohland wrote:   
   >> No.   
   >>   
   >> Required Instrument: HP165x, 166x, 167x, or 165xx family of logic   
   >> analyzers   
   >   
   > I've got one of these.  Goal is to eventually probe the MCA bus,   
   > particularly some of the RS/6k frame buffers.   
   >   
   > I'm not sure how complex the device is, I guess there is the board   
   > itself which should be relatively simple to replicate it just mentions   
   > "bus loading".  It also came with a disk that gave the LA some knowledge   
   > of the MCA mnemonics.   
   >   
   >> Bus signals supported: All MCA ™ - 32 bit slot signals except slot   
   >> specific signals (e.g. -CD-SETUP) and audio.   
   >>   
   >> Part Number   
   >>      ALD-1M for HP1650, 52, 16510, 511, 540   
   >>      [ HP P/N ALO60003 ]   
   >>      ALD-2M for HP1660, 62, 16550, 555, & later   
   >>      [ HP P/N ALO60004 ]   
   >>   
   >> Note that there is an HP P/N. There is no chance that HPE has anything   
   >> on this.   
   >>   
   >>   
   >> Kevin Bowling wrote:   
   >>> Anyone ever seen one of these in the wild?   
   >>>   
   >>> https://web.archive.org/web/19971027020324/http://www.ald.com/ald/mca.html   
   >>>   
   >   
      
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