HP Compaq Evo N1010v Series Service Manual page 117

Beep Codes
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
3-2-1-4
3-2-2-2
3-2-2-3
3-2-2-4
3-2-3-2
3-2-3-3
3-2-4-1
3-2-4-2
3-2-4-3
3-2-4-4
3-3-1-1
3-3-1-3
3-3-2-1
3-3-3-1
3-3-3-3
3-3-4-1
3-3-4-3
3-4-1-1
3-4-1-2
3-4-1-3
3-4-2-2
3-4-2-3
3-4-2-4
3-4-3-2
3-4-3-3
3-4-3-4
3-4-4-1
3-4-4-2
3-4-4-3
Service Manual
POST Description
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
Build MPTABLE for multi-processor boards
Install CD-ROM for boot
Clear huge ES segment register
Fix up Multi Processor table
Check for SMART Drive (optional)
Shadow option ROMs
Set up Power Management
Initialize security engine (optional)
Enable hardware interrupts
Determine number of ATA and SCSI drives
Set time of day
Check key lock
Initialize typematic rate
Erase F2 prompt
Scan for F2 keystroke
Enter SETUP
Clear Boot flag
Check for errors
Inform ROMPilot about the end of POST
POST done—prepare to boot OS
Terminate QuietBoot (optional)
Check password (optional)
Initialize ACPI BIOS
Prepare Boot
Initialize SMBIOS
Initialize PnP Option ROMs
Clear parity checkers
Display MultiBoot menu
Clear screen (optional)
Troubleshooting and Diagnostics 3-25