Get CPU Information
Input Field
Major function number - X'ðð'
Minor function number - X'ð1'
Parameter 1
- Reserved
Parameter 2
- Reserved
Parameter 3
- Reserved
Parameter 4
- Reserved
Parameter 5
- Reserved
Output Field
Return code
- Error status
Auxiliary return code - Reserved
Parameter 1
- (Bits 15-8): Reserved
(Bits 7-ð): CPU maker
X'ð1': Intel
X'ð2': AMD
Parameter 2
- CPU ID
(Bits 15-8): Microprocessor type
(Bits 7-ð): Microprocessor stepping level
= X'FFFF': Unknown
Parameter 3
- Clock Information
(Bits 15-8): CPU clock (units: MHz)
= X'FE': CPU clock is over 254 MHz
(Parameter 4 is valid.)
= X'FF': Unknown
(Bits 7-ð): Internal clock (units: MHz)
= X'FE': Internal clock is over 254 MHz
(Parameter 5 is valid.)
= X'FF': Unknown
Parameter 4
- (Bits 31-16): Reserved
(Bits 15-ð): CPU clock (units: MHz)
Parameter 5
- (Bits 31-16): Reserved
(Bits 15-ð): Internal clock (units: MHz)
ThinkPad 560Z SMAPI BIOS
A-13
