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   comp.sys.ibm.ps2.hardware      Discussing IBM PS/2 hardware      42,985 messages   

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   Message 42,166 of 42,985   
   Louis Ohland to Louis Ohland   
   Re: POS Sub Addressing   
   12 Oct 23 16:24:15   
   
   From: ohland@charter.net   
      
   Read it, no mention of POS 6 or 7. Doesn't look like XPOS.   
      
   Louis Ohland wrote:   
   > 0x96 bit 3, sounds system board.   
   >   
   > Ryan Alswede wrote:   
   >>> Yes, in a general way. No. No.   
   >>   
   >> https://www.ardent-tool.com/docs/pdf/PS2_Model_80_Technical_R   
   ference_Apr87.pdf   
   >>   
   >>   
   >> Pages 81 and 82.   
   >>   
   >> Disable interrupts   <-probably not possible in DOS mode   
   >> Push CDSETUP high. 0x96 bit 3   
   >> Disable the card.  0x102 bit 0 to off   
   >> Do POS / XPOS   
   >> Enable the card 0x102 bit 0 to on   
   >> Set CDSETUP Low 0x96 write 0x00   
   >> Reenable interrupts   
   >>   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)   

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