From: kevin.bowling@kev009.com   
      
   On 1/6/25 14:39, SteffenU wrote:   
   > And I noticed you have an MCA PCMCIA Board, wow, didn't know that exists.   
      
   These are mostly a curiosity and the card software support is not great.   
     You are effectively getting a 16-bit ISA bus out of PCMCIA so better   
   off going 32-bit MCA wherever possible.   
      
   One past curious use is PCMCIA sound cards, but a good one is now more   
   rare than MCA sound cards.  Note that CardBus (i.e. Creative AudigyZS)   
   is 32-bit PCI-based and will not work.   
      
   There are new recreation MCA soundcards and CF/IDE adapters   
   (https://zzxio.com/product/mcide-cf/).   
      
      
   > On 06.01.2025 22:11, Kevin Bowling wrote:   
   >> On 1/6/25 11:12, SteffenU wrote:   
   >>> Hi all,   
   >>>   
   >>> in my quest to improve my old P70, I ran across the Cyrix / TI   
   >>> upgrade CPUs. I could source one for relatively cheap, it is the   
   >>> following CPU:   
   >>> TX486DLC/E040C-GA. I am waiting for the confirmation whether it is   
   >>> the BGA 132 Socket variant.  Of course, it is a 40 MHz CPU, and my   
   >>> P70 is a 20MHz Model. Would that CPU run with the slower clock speed?   
   >>> I am likely to buy it and just try it out.   
   >>>   
   >>> This one would be even nicer with the 8kb Cache: Ti486 SXL-40 40MHz.   
   >>> Would that run in my 20Mhz machine?   
   >>>   
   >>> I am truly impressed about the vast information available for these   
   >>> machines.   
   >>>   
   >>> Cheers/2   
   >>   
   >> I have had success with the Cyrix 40mhz 486 upgrade chip on the P70.   
   >   
      
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