TYAN TOMCAT I7230W Manual page 69

POST (hex)
77h:
7Ah
7Ch:
7Fh:
82h:
83h:
84h:
85h:
87h:
89h:
8Bh:
8Dh:
8Fh:
93h:
94h:
95h:
96h:
FFh:
Description
Detect serial ports & parallel ports.
Detect & install co-processor
Init HDD write protect.
Switch back to text mode if full screen logo is supported
-If errors occur, report errors & wait for keys
-If no errors occur or F1 key is pressed to continue
Clear EPA or customization logo.
1. Call chipset power management hook.
2. Recover the text fond used by EPA logo (not for full
screen logo)
3. If password is set, ask for password.
Save all data in stack back to CMOS
Initialize ISA PnP boot devices
1. USB final Initialization
2. Switch screen back to text mode
NET PC: Build SYSID Structure.
1. Assign IRQs to PCI devices
2. Set up ACPI table at top of the memory.
1. Invoke all ISA adapter ROMs
2. Invoke all PCI ROMs (except VGA)
1. Enable/Disable Parity Check according to CMOS setup
2. APM Initialization
Clear noise of IRQs
Read HDD boot sector information for Trend Anti-Virus
code
1. Enable L2 cache
2. Program Daylight Saving
3. Program boot up speed
4. Chipset final initialization.
5. Power management final initialization
6. Clear screen & display summary table
7. Program K6 write allocation
8. Program P6 class write combining
Update keyboard LED & typematic rate
1. Build MP table
2. Build & update ESCD
3. Set CMOS century to 20h or 19h
4. Load CMOS time into DOS timer tick
5. Build MSIRQ routing table
Boot attempt (INT 19h)
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