taglinefilesource code
cseg1070drivers/char/apm_bios.capm_bios_info.cseg, apm_bios_info.offset,
cseg1080drivers/char/apm_bios.c0xc0000000 + ((unsigned long)apm_bios_info.cseg << 4));
cseg34include/linux/apm_bios.hunsigned short  cseg;