HP Omnibook XE4100 Service Manual page 85

Beep Codes*
1-3-1-3
1-3-2-1
1-3-3-1
1-3-3-2
1-3-3-3
1-3-4-1
1-3-4-3
1-3-4-4
1-4-1-1
1-4-1-3
1-4-1-4
1-4-2-3
1-4-3-1
1-4-3-3
1-4-4-1
1-4-4-2
2-1-1-2
2-1-1-3
2-1-2-2
2-1-2-3
2-1-2-4
2-1-3-1
2-1-3-2
2-1-3-3
2-1-3-4
2-1-4-1
2-1-4-3
2-1-4-4
2-2-1-1
2-2-1-2
2-2-1-3
2-2-2-1
2-2-2-2
2-2-3-1
2-2-3-2
2-2-3-3
2-2-3-4
2-2-4-1
2-3-1-1
2-3-1-3
2-3-2-1
2-3-2-3
2-3-2-4
2-3-3-1
2-3-3-2
2-3-3-3
2-3-3-4
2-3-4-1
2-3-4-3
2-4-1-1
2-4-1-3
2-4-2-3
2-4-4-1
2-4-4-2
2-4-4-3
3-1-1-1
3-1-1-2
3-1-1-3
3-1-1-4
3-1-2-1
3-1-2-2
3-1-2-3
3-1-2-4
3-1-3-1
3-1-3-2
3-1-3-3
3-1-3-4
3-1-4-1
3-1-4-4
3-2-1-1
3-2-1-2
3-2-1-3
HP Omnibook XE4100/XE4500
POST Description
Test 8742 Keyboard Controller (on motherboard).
Set ES segment register to 4 GB.
Auto size DRAM; or wrong type or no RAM installed.
Initialize POST Memory Manager.
Clear 512 kB base RAM.
RAM failure on address line xxxx.
RAM failure on data bits xxxx of low byte of memory bus.
Enable cache before system BIOS shadow.
RAM failure on data bits xxxx of high byte of memory bus.
Test CPU bus-clock frequency.
Initialize Phoenix Dispatch Manager.
Warm start shut down.
Shadow system BIOS ROM.
Auto size cache.
Advanced configuration of chipset registers.
Load alternate registers with CMOS values.
Initialize extended memory for RomPilot.
Initialize interrupt vectors.
POST device initialization.
Check ROM copyright notice.
Initialize I20 support.
Check video configuration against CMOS.
Initialize PCI bus and devices.
Initialize all video adapters in system.
QuietBoot start (optional).
Shadow video BIOS ROM.
Display BIOS copyright notice.
Initialize MultiBoot.
Display CPU type and speed.
Initialize EISA board.
Test keyboard.
Set key click if enabled.
Enable USB devices.
Test for unexpected interrupts.
Initialize POST display service.
Display prompt "Press F2 to enter SETUP".
Disable CPU cache.
Test RAM between 512 and 640 kB.
Test extended memory.
Test extended memory address lines.
Jump to UserPatch1.
Configure advanced cache registers.
Initialize Multi Processor APIC.
Enable external and CPU caches.
Set up System Management Mode (SMM) area.
Display external L2 cache size.
Load custom defaults (optional).
Display shadow-area message.
Display possible high address for UMB recovery.
Display error messages.
Check for configuration errors.
Check for keyboard errors.
Set up hardware interrupt vectors.
Initialize Intelligent System Monitoring.
Initialize coprocessor if present.
Disable onboard Super I/O ports and IRQs.
Late POST device initialization.
Detect and install external RS232 ports.
Configure non-MCD IDE controllers.
Detect and install external parallel ports.
Initialize PC-compatible PnP ISA devices.
Re-initialize onboard I/O ports.
Configure Motherboard Configurable Devices (optional).
Initialize BIOS Data Area.
Enable Non-Maskable Interrupts (NMIs).
Initialize Extended BIOS Data Area.
Test and initialize PS/2 mouse.
Initialize floppy controller.
Determine number of ATA drives (optional).
Initialize hard-disk controllers.
Initialize local-bus hard-disk controllers.
Jump to UserPatch2.
Troubleshooting and Diagnostics 3-21