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Graphics Interchange Format  |  1998-06-08  |  16.2 KB  |  347x212  |  4-bit (16 colors)
   ocr: yourvxa b VCOMM VRO, parallell port a) Get VPD pointer and port handle from VCOMM b) - CallVPDto acquire port C) Directly: access parallel port (even from ring3) d) Call VPDtO release port Figure 1: Overview ofacquiring parailel port