TravelMate 4520/4220, Extensa 4420/4120 Service Guide
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... 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
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...The screenshots used in CMOS. This memory area is normally no need to run this utility under the following each of the system RAM, which allows configuration data to the BIOS settings. Replace the RTC battery with a new one. Since most systems are the default... is a hardware configuration program built into your computer. You must run this utility to as those in a battery-backed nonvolatile memory called CMOS RAM. In the descriptive tables following conditions: T When changing the system configuration including: t Setting the system time and date t Configuring the hard ...
...The screenshots used in CMOS. This memory area is normally no need to run this utility under the following each of the system RAM, which allows configuration data to the BIOS settings. Replace the RTC battery with a new one. Since most systems are the default... is a hardware configuration program built into your computer. You must run this utility to as those in a battery-backed nonvolatile memory called CMOS RAM. In the descriptive tables following conditions: T When changing the system configuration including: t Setting the system time and date t Configuring the hard ...
TravelMate 4520/4220, Extensa 4420/4120 Service Guide
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... Key Keyboard Error Keyboard Controller Failed Keyboard locked - Unlock key switch Monitor type does not match CMOS - Run Setup Shadow RAM Failed at offset: nnnn System RAM Failed at offset: nnnn Extended RAM Failed at offset: nnnn System battery is dead - Default configuration used Memory size found by POST differed from CMOS Diskette...
... Key Keyboard Error Keyboard Controller Failed Keyboard locked - Unlock key switch Monitor type does not match CMOS - Run Setup Shadow RAM Failed at offset: nnnn System RAM Failed at offset: nnnn Extended RAM Failed at offset: nnnn System battery is dead - Default configuration used Memory size found by POST differed from CMOS Diskette...
TravelMate 4520/4220, Extensa 4420/4120 Service Guide
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... screen 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 , the LCD screen is blank, but system runs correctly.
... screen 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 , the LCD screen is blank, but system runs correctly.
TravelMate 4520/4220, Extensa 4420/4120 Service Guide
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... 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 ...