7. BIOS Setup
PC-686BX(NLX)-LV, PC-686BX(NLX)-LVV
93
Table 7.4. POST Codes < 5 / 5 >
7Fh
1. If a full-screen logo is supported, change to text mode.
- If an error has occurred, display the error and wait for a key press.
- If no error has occurred, pressing the F1 key continues execution.:
* Erase the EPA logo or customer logo.
80h Not used
81h Not used
82h
1. Call the chipset power management hook.
2. Restore the text background used by the EPA logo (rather than a full-screen logo)
3. If a password is set, request password input.
83h Save all stack data in CMOS.
84h Initialize ISA PnP boot device.
85h
1. Perform final USB initialization.
2. Network PC: Assemble SYSID structure.
3. Switch screen to text mode.
4. Setup ACPI table at top of memory.
5. Call ISA adaptor ROM.
6. Assign IRQs to PCI devices.
7. Initialize APM.
8. IRQ noise elimination.
86h Not used
87h Not used
88h Not used
89h Not used
90h Not used
91h Not used
92h Not used
93h Read HDD boot sector information for common virus prevention code.
94h
1. Enable L2 cache.
2. Set boot speed.
3. Perform final chipset initialization.
4. Perform final power management initialization.
5. Clear summary table from screen and display.
6. Set K6 write allocation.
7. Set P6 class write link.
95h
1. Set summer time.
2. Update keyboard LEDs and keystroke repeat rate.
96h
1. Create MP table.
2. Create and update ESCD.
3. Set CMOS century to 20h or 19h.
4. Load DOS timer increment to CMOS time.
5. Create MSIRQ routing table.
FFh Attempt to boot (INT 19h).
POST (hex) Description
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