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[URL="http://www.youtube.com/watch?v=8YmS6C6kOGo"]Toshiba Satellite L755 not booting - BIOS Problem from VERIFY ERROR after update - YouTube[/URL]
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[TABLE="class: formular"]
[TR]
[TD="colspan: 3"]AMI (long+short beeps)[/TD]
[/TR]
[TR="class: tdform"]
[TD]1x short[/TD]
[TD]DRAM refresh failure[/TD]
[/TR]
[TR="class: tdform"]
[TD]2x short[/TD]
[TD]Parity circuit failure[/TD]
[/TR]
[TR="class: tdform"]
[TD]3x short[/TD]
[TD]Base 64K RAM failure[/TD]
[/TR]
[TR="class: tdform"]
[TD]4x short[/TD]
[TD]System timer failure[/TD]
[/TR]
[TR="class: tdform"]
[TD]5x short[/TD]
[TD]Process failure[/TD]
[/TR]
[TR="class: tdform"]
[TD]6x short[/TD]
[TD]Keyboard controller Gate A20 error[/TD]
[/TR]
[TR="class: tdform"]
[TD]7x short[/TD]
[TD]Virtual mode exception error[/TD]
[/TR]
[TR="class: tdform"]
[TD]8x short[/TD]
[TD]Display memory Read/Write test failure[/TD]
[/TR]
[TR="class: tdform"]
[TD]9x short[/TD]
[TD]ROM BIOS checksum failure[/TD]
[/TR]
[TR="class: tdform"]
[TD]10x short[/TD]
[TD]CMOS shutdown Read/Write error[/TD]
[/TR]
[TR="class: tdform"]
[TD]11x short[/TD]
[TD]Cache Memory error[/TD]
[/TR]
[TR="class: tdform"]
[TD]1x long, 3x short[/TD]
[TD]Conventional/Extended memory failure[/TD]
[/TR]
[TR="class: tdform"]
[TD]1x long, 8x short[/TD]
[TD]Display/Retrace test failed[/TD]
[/TR]
[TR]
[TD="colspan: 3"]AWARD (long+short beeps)[/TD]
[/TR]
[TR="class: tdform"]
[TD]1x long, 2x short[/TD]
[TD]Indicates a video error has occurred and the BIOS cannot initialize the video screen to display any additional information[/TD]
[/TR]
[TR="class: tdform"]
[TD]Repeating (Endless loop)[/TD]
[TD]Memory error. Bad memory or bad connection[/TD]
[/TR]
[TR="class: tdform"]
[TD]1 Long, 3 Short[/TD]
[TD]Video adapter failure. Bad video adapter or memory[/TD]
[/TR]
[TR="class: tdform"]
[TD]High freq. beeps (while running)[/TD]
[TD]CPU is overheating. CPU fan failure[/TD]
[/TR]
[TR="class: tdform"]
[TD]Repeating High, Low beeps[/TD]
[TD]CPU failure. Bad processor[/TD]
[/TR]
[TR="class: tdform"]
[TD]Any other beep(s)[/TD]
[TD]RAM problem.[/TD]
[/TR]
[TR]
[TD="colspan: 3"]IBM (long+short beeps)[/TD]
[/TR]
[TR="class: tdform"]
[TD]No Beeps[/TD]
[TD]No Power, Loose Card, or Short.[/TD]
[/TR]
[TR="class: tdform"]
[TD]1 Short Beep[/TD]
[TD]Normal POST, computer is ok.[/TD]
[/TR]
[TR="class: tdform"]
[TD]2 Short Beep[/TD]
[TD]POST error, review screen for error code.[/TD]
[/TR]
[TR="class: tdform"]
[TD]Continuous Beep[/TD]
[TD]No Power, Loose Card, or Short.[/TD]
[/TR]
[TR="class: tdform"]
[TD]Repeating Short Beep[/TD]
[TD]No Power, Loose Card, or Short.[/TD]
[/TR]
[TR="class: tdform"]
[TD]One Long and one Short Beep[/TD]
[TD]Motherboard issue.[/TD]
[/TR]
[TR="class: tdform"]
[TD]One Long and Two short Beeps[/TD]
[TD]Video (Mono/CGA Display Circuitry) issue.[/TD]
[/TR]
[TR="class: tdform"]
[TD]One Long and Three Short Beeps.[/TD]
[TD]Video (EGA) Display Circuitry.[/TD]
[/TR]
[TR="class: tdform"]
[TD]Three Long Beeps[/TD]
[TD]Keyboard / Keyboard card error.[/TD]
[/TR]
[TR="class: tdform"]
[TD]One Beep, Blank or Incorrect Display[/TD]
[TD]Video Display Circuitry.[/TD]
[/TR]
[TR="class: tdform"]
[TD="colspan: 3"]MACINTOSH (different tones)[/TD]
[/TR]
[TR="class: tdform"]
[TD]Error Tone. (two sets of different tones)[/TD]
[TD]Problem with logic board or SCSI bus.[/TD]
[/TR]
[TR="class: tdform"]
[TD]Startup tone, drive spins, no video[/TD]
[TD]Problem with video controller.[/TD]
[/TR]
[TR="class: tdform"]
[TD]Powers on, no tone.[/TD]
[TD]Logic board problem.[/TD]
[/TR]
[TR="class: tdform"]
[TD]High Tone, four higher tones.[/TD]
[TD]Problem with SIMM.[/TD]
[/TR]
[TR]
[TD="colspan: 3"]PHOENIX (different intervals)[/TD]
[/TR]
[TR="class: tdform"]
[TD]1-1-1-3[/TD]
[TD]Verify Real Mode.[/TD]
[/TR]
[TR="class: tdform"]
[TD]1-1-2-1[/TD]
[TD]Get CPU type.[/TD]
[/TR]
[TR="class: tdform"]
[TD]1-1-2-3[/TD]
[TD]Initialize system hardware.[/TD]
[/TR]
[TR="class: tdform"]
[TD]1-1-3-1[/TD]
[TD]Initialize chipset registers with initial POST values.[/TD]
[/TR]
[TR="class: tdform"]
[TD]1-1-3-2[/TD]
[TD]Set in POST flag.[/TD]
[/TR]
[TR="class: tdform"]
[TD]1-1-3-3[/TD]
[TD]Initialize CPU registers.[/TD]
[/TR]
[TR="class: tdform"]
[TD]1-1-4-1[/TD]
[TD]Initialize cache to initial POST values.[/TD]
[/TR]
[TR="class: tdform"]
[TD]1-1-4-3[/TD]
[TD]Initialize I/O.[/TD]
[/TR]
[TR="class: tdform"]
[TD]1-2-1-1[/TD]
[TD]Initialize Power Management.[/TD]
[/TR]
[TR="class: tdform"]
[TD]1-2-1-2[/TD]
[TD]Load alternate registers with initial POST values.[/TD]
[/TR]
[TR="class: tdform"]
[TD]1-2-1-3[/TD]
[TD]Jump to UserPatch0.[/TD]
[/TR]
[TR="class: tdform"]
[TD]1-2-2-1[/TD]
[TD]Initialize keyboard controller.[/TD]
[/TR]
[TR="class: tdform"]
[TD]1-2-2-3[/TD]
[TD]BIOS ROM checksum.[/TD]
[/TR]
[TR="class: tdform"]
[TD]1-2-3-1[/TD]
[TD]8254 timer initialization.[/TD]
[/TR]
[TR="class: tdform"]
[TD]1-2-3-3[/TD]
[TD]8237 DMA controller initialization.[/TD]
[/TR]
[TR="class: tdform"]
[TD]1-2-4-1[/TD]
[TD]Reset Programmable Interrupt Controller.[/TD]
[/TR]
[TR="class: tdform"]
[TD]1-3-1-1[/TD]
[TD]Test DRAM refresh.[/TD]
[/TR]
[TR="class: tdform"]
[TD]1-3-1-3[/TD]
[TD]Test 8742 Keyboard Controller.[/TD]
[/TR]
[TR="class: tdform"]
[TD]1-3-2-1[/TD]
[TD]Set ES segment to register to 4 GB.[/TD]
[/TR]
[TR="class: tdform"]
[TD]1-3-3-1[/TD]
[TD]28 Autosize DRAM.[/TD]
[/TR]
[TR="class: tdform"]
[TD]1-3-3-3[/TD]
[TD]Clear 512K base RAM.[/TD]
[/TR]
[TR="class: tdform"]
[TD]1-3-4-1[/TD]
[TD]Test 512 base address lines.[/TD]
[/TR]
[TR="class: tdform"]
[TD]1-3-4-3[/TD]
[TD]Test 512K base memory.[/TD]
[/TR]
[TR="class: tdform"]
[TD]1-4-1-3[/TD]
[TD]Test CPU bus-clock frequency.[/TD]
[/TR]
[TR="class: tdform"]
[TD]1-4-2-4[/TD]
[TD]Reinitialize the chipset.[/TD]
[/TR]
[TR="class: tdform"]
[TD]1-4-3-1[/TD]
[TD]Shadow system BIOS ROM.[/TD]
[/TR]
[TR="class: tdform"]
[TD]1-4-3-2[/TD]
[TD]Reinitialize the cache.[/TD]
[/TR]
[TR="class: tdform"]
[TD]1-4-3-3[/TD]
[TD]Autosize cache.[/TD]
[/TR]
[TR="class: tdform"]
[TD]1-4-4-1[/TD]
[TD]Configure advanced chipset registers.[/TD]
[/TR]
[TR="class: tdform"]
[TD]1-4-4-2[/TD]
[TD]Load alternate registers with CMOS values.[/TD]
[/TR]
[TR="class: tdform"]
[TD]2-1-1-1[/TD]
[TD]Set Initial CPU speed.[/TD]
[/TR]
[TR="class: tdform"]
[TD]2-1-1-3[/TD]
[TD]Initialize interrupt vectors.[/TD]
[/TR]
[TR="class: tdform"]
[TD]2-1-2-1[/TD]
[TD]Initialize BIOS interrupts.[/TD]
[/TR]
[TR="class: tdform"]
[TD]2-1-2-3[/TD]
[TD]Check ROM copyright notice.[/TD]
[/TR]
[TR="class: tdform"]
[TD]2-1-2-4[/TD]
[TD]Initialize manager for PCI Options ROMs.[/TD]
[/TR]
[TR="class: tdform"]
[TD]2-1-3-1[/TD]
[TD]Check video configuration against CMOS.[/TD]
[/TR]
[TR="class: tdform"]
[TD]2-1-3-2[/TD]
[TD]Initialize PCI bus and devices.[/TD]
[/TR]
[TR="class: tdform"]
[TD]2-1-3-3[/TD]
[TD]Initialize all video adapters in system.[/TD]
[/TR]
[TR="class: tdform"]
[TD]2-1-4-1[/TD]
[TD]Shadow video BIOS ROM.[/TD]
[/TR]
[TR="class: tdform"]
[TD]2-1-4-3[/TD]
[TD]Display copyright notice.[/TD]
[/TR]
[TR="class: tdform"]
[TD]2-2-1-1[/TD]
[TD]Display CPU type and speed.[/TD]
[/TR]
[TR="class: tdform"]
[TD]2-2-1-3[/TD]
[TD]Test keyboard.[/TD]
[/TR]
[TR="class: tdform"]
[TD]2-2-2-1[/TD]
[TD]Set key click if enabled.[/TD]
[/TR]
[TR="class: tdform"]
[TD]2-2-2-3[/TD]
[TD]56 Enable keyboard.[/TD]
[/TR]
[TR="class: tdform"]
[TD]2-2-3-1[/TD]
[TD]Test for unexpected interrupts.[/TD]
[/TR]
[TR="class: tdform"]
[TD]2-2-3-3[/TD]
[TD]Display prompt "Press F2 to enter SETUP".[/TD]
[/TR]
[TR="class: tdform"]
[TD]2-2-4-1[/TD]
[TD]Test RAM between 512 and 640k.[/TD]
[/TR]
[TR="class: tdform"]
[TD]2-3-1-1[/TD]
[TD]Test expanded memory.[/TD]
[/TR]
[TR="class: tdform"]
[TD]2-3-1-3[/TD]
[TD]Test extended memory address lines.[/TD]
[/TR]
[TR="class: tdform"]
[TD]2-3-2-1[/TD]
[TD]Jump to UserPatch1.[/TD]
[/TR]
[TR="class: tdform"]
[TD]2-3-2-3[/TD]
[TD]Configure advanced cache registers.[/TD]
[/TR]
[TR="class: tdform"]
[TD]2-3-3-1[/TD]
[TD]Enable external and CPU caches.[/TD]
[/TR]
[TR="class: tdform"]
[TD]2-3-3-3[/TD]
[TD]Display external cache size.[/TD]
[/TR]
[TR="class: tdform"]
[TD]2-3-4-1[/TD]
[TD]Display shadow message.[/TD]
[/TR]
[TR="class: tdform"]
[TD]2-3-4-3[/TD]
[TD]Display non-disposable segments.[/TD]
[/TR]
[TR="class: tdform"]
[TD]2-4-1-1[/TD]
[TD]Display error messages.[/TD]
[/TR]
[TR="class: tdform"]
[TD]2-4-1-3[/TD]
[TD]Check for configuration errors.[/TD]
[/TR]
[TR="class: tdform"]
[TD]2-4-2-1[/TD]
[TD]Test real-time clock.[/TD]
[/TR]
[TR="class: tdform"]
[TD]2-4-2-3[/TD]
[TD]Check for keyboard errors[/TD]
[/TR]
[TR="class: tdform"]
[TD]2-4-4-1[/TD]
[TD]Set up hardware interrupts vectors.[/TD]
[/TR]
[TR="class: tdform"]
[TD]2-4-4-3[/TD]
[TD]Test coprocessor if present.[/TD]
[/TR]
[TR="class: tdform"]
[TD]3-1-1-1[/TD]
[TD]Disable onboard I/O ports.[/TD]
[/TR]
[TR="class: tdform"]
[TD]3-1-1-3[/TD]
[TD]Detect and install external RS232 ports.[/TD]
[/TR]
[TR="class: tdform"]
[TD]3-1-2-1[/TD]
[TD]Detect and install external parallel ports.[/TD]
[/TR]
[TR="class: tdform"]
[TD]3-1-2-3[/TD]
[TD]Re-initialize onboard I/O ports.[/TD]
[/TR]
[TR="class: tdform"]
[TD]3-1-3-1[/TD]
[TD]Initialize BIOS Data Area.[/TD]
[/TR]
[TR="class: tdform"]
[TD]3-1-3-3[/TD]
[TD]Initialize Extended BIOS Data Area.[/TD]
[/TR]
[TR="class: tdform"]
[TD]3-1-4-1[/TD]
[TD]Initialize floppy controller.[/TD]
[/TR]
[TR="class: tdform"]
[TD]3-2-1-1[/TD]
[TD]Initialize hard-disk controller.[/TD]
[/TR]
[TR="class: tdform"]
[TD]3-2-1-2[/TD]
[TD]Initialize local-bus hard-disk controller.[/TD]
[/TR]
[TR="class: tdform"]
[TD]3-2-1-3[/TD]
[TD]Jump to UserPatch2.[/TD]
[/TR]
[TR="class: tdform"]
[TD]3-2-2-1[/TD]
[TD]Disable A20 address line.[/TD]
[/TR]
[TR="class: tdform"]
[TD]3-2-2-3[/TD]
[TD]Clear huge ES segment register.[/TD]
[/TR]
[TR="class: tdform"]
[TD]3-2-3-1[/TD]
[TD]Search for option ROMs.[/TD]
[/TR]
[TR="class: tdform"]
[TD]3-2-3-3[/TD]
[TD]Shadow option ROMs.[/TD]
[/TR]
[TR="class: tdform"]
[TD]3-2-4-1[/TD]
[TD]Set up Power Management.[/TD]
[/TR]
[TR="class: tdform"]
[TD]3-2-4-3[/TD]
[TD]Enable hardware interrupts.[/TD]
[/TR]
[TR="class: tdform"]
[TD]3-3-1-1[/TD]
[TD]Set time of day.[/TD]
[/TR]
[TR="class: tdform"]
[TD]3-3-1-3[/TD]
[TD]Check key lock.[/TD]
[/TR]
[TR="class: tdform"]
[TD]3-3-3-1[/TD]
[TD]Erase F2 prompt.[/TD]
[/TR]
[TR="class: tdform"]
[TD]3-3-3-3[/TD]
[TD]Scan for F2 key stroke.[/TD]
[/TR]
[TR="class: tdform"]
[TD]3-3-4-1[/TD]
[TD]Enter SETUP.[/TD]
[/TR]
[TR="class: tdform"]
[TD]3-3-4-3[/TD]
[TD]Clear in-POST flag.[/TD]
[/TR]
[TR="class: tdform"]
[TD]3-4-1-1[/TD]
[TD]Check for errors[/TD]
[/TR]
[TR="class: tdform"]
[TD]3-4-1-3[/TD]
[TD]POST done--prepare to boot operating system.[/TD]
[/TR]
[TR="class: tdform"]
[TD]3-4-2-1[/TD]
[TD]One beep.[/TD]
[/TR]
[TR="class: tdform"]
[TD]3-4-2-3[/TD]
[TD]Check password (optional).[/TD]
[/TR]
[TR="class: tdform"]
[TD]3-4-3-1[/TD]
[TD]Clear global descriptor table.[/TD]
[/TR]
[TR="class: tdform"]
[TD]3-4-4-1[/TD]
[TD]Clear parity checkers.[/TD]
[/TR]
[TR="class: tdform"]
[TD]3-4-4-3[/TD]
[TD]Clear screen (optional).[/TD]
[/TR]
[TR="class: tdform"]
[TD]3-4-4-4[/TD]
[TD]Check virus and backup reminders.[/TD]
[/TR]
[TR="class: tdform"]
[TD]4-1-1-1[/TD]
[TD]Try to boot with INT 19.[/TD]
[/TR]
[TR="class: tdform"]
[TD]4-2-1-1[/TD]
[TD]Interrupt handler error.[/TD]
[/TR]
[TR="class: tdform"]
[TD]4-2-1-3[/TD]
[TD]Unknown interrupt error.[/TD]
[/TR]
[TR="class: tdform"]
[TD]4-2-2-1[/TD]
[TD]Pending interrupt error.[/TD]
[/TR]
[TR="class: tdform"]
[TD]4-2-2-3[/TD]
[TD]Initialize option ROM error.[/TD]
[/TR]
[TR="class: tdform"]
[TD]4-2-3-1[/TD]
[TD]Shutdown error.[/TD]
[/TR]
[TR="class: tdform"]
[TD]4-2-3-3[/TD]
[TD]Extended Block Move.[/TD]
[/TR]
[TR="class: tdform"]
[TD]4-2-4-1[/TD]
[TD]Shutdown 10 error.[/TD]
[/TR]
[TR="class: tdform"]
[TD]4-3-1-3[/TD]
[TD]Initialize the chipset.[/TD]
[/TR]
[TR="class: tdform"]
[TD]4-3-1-4[/TD]
[TD]Initialize refresh counter.[/TD]
[/TR]
[TR="class: tdform"]
[TD]4-3-2-1[/TD]
[TD]Check for Forced Flash.[/TD]
[/TR]
[TR="class: tdform"]
[TD]4-3-2-2[/TD]
[TD]Check HW status of ROM.[/TD]
[/TR]
[TR="class: tdform"]
[TD]4-3-2-3[/TD]
[TD]BIOS ROM is OK.[/TD]
[/TR]
[TR="class: tdform"]
[TD]4-3-2-4[/TD]
[TD]Do a complete RAM test.[/TD]
[/TR]
[TR="class: tdform"]
[TD]4-3-3-1[/TD]
[TD]Do OEM initialization.[/TD]
[/TR]
[TR="class: tdform"]
[TD]4-3-3-2[/TD]
[TD]Initialize interrupt controller.[/TD]
[/TR]
[TR="class: tdform"]
[TD]4-3-3-3[/TD]
[TD]Read in bootstrap code.[/TD]
[/TR]
[TR="class: tdform"]
[TD]4-3-3-4[/TD]
[TD]Initialize all vectors.[/TD]
[/TR]
[TR="class: tdform"]
[TD]4-3-4-1[/TD]
[TD]Boot the Flash program.[/TD]
[/TR]
[TR="class: tdform"]
[TD]4-3-4-2[/TD]
[TD]Initialize the boot device.
[/TD]
[/TR]
[TR="class: tdform"]
[TD]4-3-4-3[/TD]
[TD]Boot code was read OK.[/TD]
[/TR]
[/TABLE]