REXXLib System Hardware Information Functions

• PCMODEL()
  • returns the system model value contained in the BIOS

• PCRAM()
  • returns the number of 1024-byte memory blocks installed in the system

• PCVIDEOMODE()
  • returns four space-delimited numbers indicating, respectively:
    • the success of the function call
    • the number of bits used to display color information for each pixel
    • the horizontal resolution in pixels, and
    • the vertical resolution in pixels

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