TYAN Tomcat i945GM S3095, User Manual

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4.3 - BIOS Post Code
BootBlock POST Code List :
Post Code
(Port 80) Mnemonic Post Routine Description
80H TP_BB_CS_INIT Initializes the host PCI device.
81H TP_BB_BRIDGE_INIT Initializes the SMB support.
82H TP_BB_CPU_INIT Initializes the CPU if needed.
83H TP_BB_TIMER_INIT Initializes timer.
84H TP_BB_IO_INIT Configures I/O floppy and LPT port.
85H TP_BB_FORCE Checks for a forced flash.
86H TP_BB_CHKSUM Check BIOS checksum.
87H TP_BB_GOTOBIOS Transition from Boot Block to the system
BIOS.
88H TP_BB_MP_INIT Initializes multi-processors.
89H TP_BB_SET_HUGE Sets huge (4GB) segment for DS, ES, FS
and GS.
8AH TP_BB_OEM_INIT OEM special initialization. (Null)
8BH TP_BB_HW_INIT Initializes PIC and DMA controller.
8CH TP_BB_MEM_TYPE Initializes memory type.
8DH TP_BB_MEM_SIZE Initializes memory size.
8EH TP_BB_SHADOW Shadows the Boot Block.
8FH TP_BB_SMM_INIT Initializes SMM. (Null)
90H TP_BB_RAMTEST Tests the first 640KB of RAM.
91H TP_BB_VECS_INIT Initializes the interrupt vector area.
92H TP_BB_RTC_INIT Initializes RTC. (Null)
93H TP_BB_VIDEO_INIT Initializes Video. (Null)
94H TP_BB_OUT_INIT Initializes the output devices.
95H TP_BB_BOOT_INIT Initializes the boot devices.
96H TP_BB_CLEAR_HUGE Resets the segment to 64KB
97H TP_BB_BOOT_OS Begins booting to the crisis diskette.
98H TP_BB_USB_INIT Enables USB devices.
99H TP_BB_SECUR_INIT Initializes security. (Null)