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    SubjectRe: Solution to the "1802: Unauthorized network card" problem in recent thinkpad systems
    On Sun, Jun 13, 2004 at 12:10:29PM -0700, Tisheng Chen wrote:

    > Somebody did succeed with a X31.
    > As I know, it should works for T30,R40,X31,R40E at
    > least.

    Indeed, this version:

    #include <stdio.h>
    #include <sys/types.h>
    #include <unistd.h>
    #include <sys/stat.h>
    #include <fcntl.h>

    int main(void)
    int fd;
    unsigned char data;

    printf("Disabling WiFi whitelist check.\n");
    fd = open("/dev/nvram", O_RDWR);
    lseek(fd, 0x5c, SEEK_SET);
    read(fd, &data, 1);
    printf("CMOS address 0x5c: %02x->", data);
    data |= 0x80;
    printf("%02x\n", data);
    lseek(fd, 0x5c, SEEK_SET);
    write(fd, &data, 1);

    worked just fine, and the notebook no longer complains about an
    unsupported WiFi card! Now if I only can get the card to enable the
    transmitter/receiver. It's a Compaq Atheros card inside an X31 notebook.

    Vojtech Pavlik
    SuSE Labs, SuSE CR
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