TravelMate 4520/4220, Extensa 4420/4120 Service Guide
Page 11
... solution supporting the Acer SignalUp™ wireless technology Memory T Two DIMM slots supporting DDR2 533/667 MHz memory modules T Maximum 4 GB system memory using two 2 GB soDIMM modules T Supports dual-channel (interleaving) memory mode T 1 MB flash BIOS and shadow RAM support Storage subsystem ...T Hard disk drive (HDD) t SATA hard disk drives in 80-,120-, and 160 GB capacities (higher HDD capacity supported) t Acer DASP (Disk Anti-Shock Protection) T Optical disc drive (ODD) options ...
... solution supporting the Acer SignalUp™ wireless technology Memory T Two DIMM slots supporting DDR2 533/667 MHz memory modules T Maximum 4 GB system memory using two 2 GB soDIMM modules T Supports dual-channel (interleaving) memory mode T 1 MB flash BIOS and shadow RAM support Storage subsystem ...T Hard disk drive (HDD) t SATA hard disk drives in 80-,120-, and 160 GB capacities (higher HDD capacity supported) t Acer DASP (Disk Anti-Shock Protection) T Optical disc drive (ODD) options ...
TravelMate 4520/4220, Extensa 4420/4120 Service Guide
Page 23
... these values to run this utility under the following each of the menu screen illustrations, settings in a battery-backed nonvolatile memory called CMOS RAM. If the values and the actual hardware do not agree, POST generates an error message. You will be retained when power is not ...part of reading, Phoenix TrustedCore Setup Utility will need to as those in this utility. NOTE: For ease of the system RAM, which allows configuration data to be simply referred to run this Service Guide. The Setup Utility loads the configuration values in boldface are prompted...
... these values to run this utility under the following each of the menu screen illustrations, settings in a battery-backed nonvolatile memory called CMOS RAM. If the values and the actual hardware do not agree, POST generates an error message. You will be retained when power is not ...part of reading, Phoenix TrustedCore Setup Utility will need to as those in this utility. NOTE: For ease of the system RAM, which allows configuration data to be simply referred to run this Service Guide. The Setup Utility loads the configuration values in boldface are prompted...
TravelMate 4520/4220, Extensa 4420/4120 Service Guide
Page 80
... Utility to its connector. Check if the drive matches the diskette type set in the Setup Utility. Run Setup Shadow RAM Failed at offset: nnnn System RAM Failed at offset: nnnn Extended RAM Failed at offset: nnnn System battery is dead - Replace and run SETUP System cache error - Default configuration used System timer...
... Utility to its connector. Check if the drive matches the diskette type set in the Setup Utility. Run Setup Shadow RAM Failed at offset: nnnn System RAM Failed at offset: nnnn Extended RAM Failed at offset: nnnn System battery is dead - Replace and run SETUP System cache error - Default configuration used System timer...
TravelMate 4520/4220, Extensa 4420/4120 Service Guide
Page 82
... beep during POST but you can view POST when connected to 4 GB Enable A20 line Autosize DRAM Initialize POST Memory Manager Clear 215 KB base RAM RAM failure on address line xxxx 72 Chapter 4 Error Message FRU/Action in Sequence No beep, power indicator turns on screen during POST. Ensure every internal...
... beep during POST but you can view POST when connected to 4 GB Enable A20 line Autosize DRAM Initialize POST Memory Manager Clear 215 KB base RAM RAM failure on address line xxxx 72 Chapter 4 Error Message FRU/Action in Sequence No beep, power indicator turns on screen during POST. Ensure every internal...
TravelMate 4520/4220, Extensa 4420/4120 Service Guide
Page 83
... 66h 67h 68h 69h 6Ah 6Bh 6Ch Chapter 4 Beeps 1-3-4-3 1-4-1-1 2-1-2-3 2-2-3-1 POST Routine Description 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...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 ...
... 66h 67h 68h 69h 6Ah 6Bh 6Ch Chapter 4 Beeps 1-3-4-3 1-4-1-1 2-1-2-3 2-2-3-1 POST Routine Description 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...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 ...