Acer Aspire X3475 Desktop Service Guide
Page 88
... on page 82 to determine which corrective action to test Acer products. Refer to "Power System check" on page 81 and "Beep Codes" on how to troubleshoot system hardware problems. Hardware Diagnostic Procedure IMPORTANT:The diagnostic tests described in as much detail as possible. 2. Obtain...chapter are only intended to perform. Verify the symptoms by attempting to recreate the failure by running the diagnostic tests or repeating thesame operation. 3. Chapter 4 80 NonAcerproducts, prototype cards, or modified options can give false errors and invalid systemresponses. 1.
... on page 82 to determine which corrective action to test Acer products. Refer to "Power System check" on page 81 and "Beep Codes" on how to troubleshoot system hardware problems. Hardware Diagnostic Procedure IMPORTANT:The diagnostic tests described in as much detail as possible. 2. Obtain...chapter are only intended to perform. Verify the symptoms by attempting to recreate the failure by running the diagnostic tests or repeating thesame operation. 3. Chapter 4 80 NonAcerproducts, prototype cards, or modified options can give false errors and invalid systemresponses. 1.
Acer Aspire X3475 Desktop Service Guide
Page 91
.... Early Boot Strap Processor (BSP) initialization like microcode update, frequency and other components before memory detection. Early super I/O initialization is tested. Disable CACHE before system memory is stored in PCI devices. Do additional chipset initialization. Main BIOS checksum is done including RTC and ...A checkpoint is either a byte or word value output to I/O port 80h.The BIOS outputs checkpoints throughout bootblock and Power-On Self Test (POST) to indicate the task the system is enabled at this point. NOTE: Please note that occur during the preboot process....
.... Early Boot Strap Processor (BSP) initialization like microcode update, frequency and other components before memory detection. Early super I/O initialization is tested. Disable CACHE before system memory is stored in PCI devices. Do additional chipset initialization. Main BIOS checksum is done including RTC and ...A checkpoint is either a byte or word value output to I/O port 80h.The BIOS outputs checkpoints throughout bootblock and Power-On Self Test (POST) to indicate the task the system is enabled at this point. NOTE: Please note that occur during the preboot process....