BIOS的秘密

EAX=0: Get vendor ID

This returns the CPU's manufacturer ID string - a twelve character ASCII string stored in EBX, EDX, ECX - in that order. The highest basic calling parameter is returned in EAX.

The following are known processor manufacturer ID strings:

• "GenuineIntel" - Intel
• "AuthenticAMD" - AMD
• "CyrixInstead" - Cyrix
• "CentaurHauls" - Centaur
• "SiS SiS SiS " - SiS
• "NexGenDriven" - NexGen
• "GenuineTMx86", "TransmetaCPU" - Transmeta
• "RiseRiseRise" - Rise
• "UMC UMC UMC " - UMC
• "Geode by NSC" - National Semiconductor
• "AMDisbetter!" - early engineering samples of AMD K5 processor