Aspire 2420, 2920, 2920Z Service Guide
Page 43
...-ROM XA, PhotoCD (multi-session), Video CD, Cd-Extra (CD+), CD-text DVD: DVD-VIDEO, DVD-ROM, DVD-R (3.9GB, 4.7GB) DVD-R DL, DVD-RW, DVD-RAM, DVD+R, DVD+R DL, DVD+RW CD: CD-DA (Red Book) - MPEG1 Video CD-R (Orange Book Part ) CD-RW & HSRW (Orange Book Part Volume1 & Volume 2 Super...
...-ROM XA, PhotoCD (multi-session), Video CD, Cd-Extra (CD+), CD-text DVD: DVD-VIDEO, DVD-ROM, DVD-R (3.9GB, 4.7GB) DVD-R DL, DVD-RW, DVD-RAM, DVD+R, DVD+R DL, DVD+RW CD: CD-DA (Red Book) - MPEG1 Video CD-R (Orange Book Part ) CD-RW & HSRW (Orange Book Part Volume1 & Volume 2 Super...
Aspire 2420, 2920, 2920Z Service Guide
Page 47
... system. Chapter 1 37 System Power Management ACPI mode Mech. All devices in this state. Off (G3) Soft Off (G2/S5) Working (G0/S0) Suspend to RAM (S3) Save to power off completely. OS initiated shutdown.
... system. Chapter 1 37 System Power Management ACPI mode Mech. All devices in this state. Off (G3) Soft Off (G2/S5) Working (G0/S0) Suspend to RAM (S3) Save to power off completely. OS initiated shutdown.
Aspire 2420, 2920, 2920Z Service Guide
Page 113
.... Thermal critical High In this situation BIOS will issue 4 short beeps then shut down system, not show . Run Setup Shadow RAM Failed at offset: nnnn System RAM Failed at offset: nnnn Extended RAM Failed at xxxx:xxxx:xxxxh (R:xxxxh, W:xxxxh) Real Time Clock Error CMOS Battery Bad CMOS Checksum Error System disabled. see...
.... Thermal critical High In this situation BIOS will issue 4 short beeps then shut down system, not show . Run Setup Shadow RAM Failed at offset: nnnn System RAM Failed at offset: nnnn Extended RAM Failed at xxxx:xxxx:xxxxh (R:xxxxh, W:xxxxh) Real Time Clock Error CMOS Battery Bad CMOS Checksum Error System disabled. see...
Aspire 2420, 2920, 2920Z Service Guide
Page 116
... DRAM refresh Test 8742 Keyboard Controller Set ES segment register to 4 GB Enable A20 line Autosize DRAM Initialize POST Memory Manager Clear 215 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 ...
... DRAM refresh Test 8742 Keyboard Controller Set ES segment register to 4 GB Enable A20 line Autosize DRAM Initialize POST Memory Manager Clear 215 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 ...
Aspire 2420, 2920, 2920Z Service Guide
Page 117
... keyboard Set key click if enabled 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 User Patch1 Configure advanced cache registers Initialize Multi Processor APIC...
... keyboard Set key click if enabled 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 User Patch1 Configure advanced cache registers Initialize Multi Processor APIC...