at DATA and 0xAC, when this driver has already been loaded once
DATA will hold 0x08. For most uGuru's CMD will hold 0xAC in either
scenario but some will hold 0x00.
- Some uGuru's initally hold 0x09 at DATA and will only hold 0x08
+ Some uGuru's initially hold 0x09 at DATA and will only hold 0x08
after reading CMD first, so CMD must be read first! */
u8 cmd_val = inb_p(ABIT_UGURU_BASE + ABIT_UGURU_CMD);
u8 data_val = inb_p(ABIT_UGURU_BASE + ABIT_UGURU_DATA);