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  1. weitso

    How to access ISA device which be mapped memory address 0xF00000~0xF80000?

    Hi ~ First of all,thanks for your reply. l use MS DOS 6.22 . Do you have any idea? Thanks
    • weitso
    • Post #3
    • Forum: C
  2. weitso

    How to access ISA device which be mapped memory address 0xF00000~0xF80000?

    hi~ We have a ODM x86 PC board which has a on-board NVRAM. (NVRAM can store data even power-off) The NVRAM is designed as a ISA device. and map to memory address 0xF00000~0xF80000 (For ISA device) We have test the hardware in MS-windows using utility "rw-everything" (some kind of debug tool)...
    • weitso
    • Thread
    • Replies: 3
    • Forum: C

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