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

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   Message 42,257 of 42,985   
   Louis Ohland to Louis Ohland   
   Re: Let me see your naughty bits [4216-0   
   25 Nov 23 11:41:26   
   
   From: ohland@charter.net   
      
   Rockwell R65NC22 P2 Versatile Interface Adapter (VIA)   
      
   Louis Ohland wrote:   
   > o   10 Mhz M68000 processor   
   > o   0.5Mb program and 2.0Mb page buffer storage   
   > o   16Kb EPROM including diagnostics and loader   
   >   
   > "high-speed video interface"   
   >   
   > -  FIFO and serializer logic to convert the page image in RAM to a video   
   > bit stream for transmission to the 4216 Model 020.   
   >   
   > -  An interface port between the M68000 and the Personal System/2.  The   
   > interface consists of a modified parallel printer adapter design.  This   
   > is the only communication between the Adapter and the Personal System/2   
   > with no processor memory space being used by the adapter.   
   >   
   > This interface emulates the Personal System/2 printer port (i.e., LPT2)   
   > when an ASCII printer emulator is loaded and can be accessed by normal   
   > BIOS calls.  It also can be switched to an alternate (high-speed) mode   
   > that transfers data using a packet mode protocol.  The interface also   
   > allows bi-directional data transfer.   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)   

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