TYAN TOMCAT I915 User Manual page 95

Tomcat i915 S5120
POST (hex)
82h:
83h:
84h:
85h:
87h:
89h:
8Bh:
8Dh:
8Fh:
93h:
94h:
95h:
96h:
FFh:
Description
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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Appendix II: Post Error Code for BIOS
6-11