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Questions and answers

1. How can the BIOS settings be restored (returned to default settings)?

a. Turn on or restart the computer and press F10 when prompted near the bottom of the display.

b. Select File, then select Restore defaults.

c. Follow the on-screen instructions.

d. Select File, save changes and exit, then press Enter.

2. What kind of configuration data is stored on the DIMM Serial Presence Detect

(SPD) memory module? How would this data be written?

The DIMM SPD memory contains information about the memory module such as size, serial

number, data width, speed/timing, voltage and thermal information. This information is written by

the module manufacturer and stored on an EEPROM. This EEPROM cannot be written to when the

memory module is installed in a PC. Third party tools do exist that can write to the EEPROM when

the memory module is not installed in a PC. There are various third party tools available to read

SPD memory.

3. Does the “Firmware Hub for System BIOS” contain the BIOS program? Is this chip

writable, and if so how?

The Firmware Hub does contain the BIOS program and is writable. A utility is required to perform

the write function.

4. In some PC systems, the Firmware Hub for System BIOS is a flash memory chip

so that updates can be written by the customer. Is this true for these BIOS chips?

Yes, they are flash memory chips.

5. What is meant by “Restore the nonvolatile memory found in Intel-based

system boards?”

This relates to clearing the Real Time Clock (RTC) CMOS memory that contains PC

configuration data.

6. Does resetting the CMOS configuration memory return the PC back to

factory defaults?

The process of resetting the CMOS will return certain system settings to factory default but will not

reset many of the system data and configuration defaults to their default settings. To return these

system data and configuration defaults to default settings, refer to question and answer 1 and

follow the instructions for returning the BIOS settings to factory defaults.

32 Chapter 7 Statement of Volatility

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