Lenovo ThinkPad 600E Technical Reference Manual for the ThinkPad 600 - Page 89
Input Field, Get CPU Information, SMAPI BIOS
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Get CPU Information Input Field Major Function Number - Minor Function Number - 1 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 - Reserved Parameter 2 - CPU ID (Bits 15-8) Microprocessor type (Bits 7- ) Microprocessor stepping level = FFFFh : Unknown Parameter 3 - Clock Information (Bits 15-8) CPU clock (units: MHz) = FEh : CPU clock is over 254 MHz = FFh : Unknown (parameter 4 is valid) (Bits 7- ) Internal clock (units: MHz) = FEh : Internal clock is over 254 MHz = FFh : Unknown (parameter 5 is valid) Parameter 4 - (Bits 31-16) Reserved - (Bits 15- ) CPU clock (units : MHz) Parameter 5 - (Bits 31-16) Reserved - (Bits 15- ) Internal clock (units: MHz) SMAPI BIOS B-13