HP EliteOne 700 Maintenance & Service Guide - Page 187
Statement of Volatility
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B Statement of Volatility HP confirms that Intel-based business desktop HP EliteOne 705 G1 23-inch Non-Touch All-in-One systems contain DDR3 volatile memory (memory amount depends on the customer configuration). In addition, the motherboard in the condition originally shipped without subsequent modification or the addition or installation of any applications, features, or functionality, contains the following nonvolatile memory: Real Time Clock battery backed-up configuration memory (256 Bytes), DIMM Serial Presence Detect (SPD) configuration data (256 Bytes per module, 128 Bytes programmable), Serial Peripheral Interface (SPI) ROM for System BIOS (16M Bytes) and Super I/O's: masked keyboard ROM (overall 2K Bytes). The following procedure shows the steps that should be taken to restore the Non-Volatile memory found in the Intel-based HP EliteOne 705 G1 23-inch Non-Touch All-in-One systems. 1. Download the latest BIOS (system ROM) from the HP website. 2. Follow the instructions to flash the BIOS that are found on the website. Flashing the BIOS will reset it back to factory settings. 3. Turn on the system, and while system is powering on, and after the HP splash screen, press the F10 key to enter BIOS setup screen. 4. Select Security > System Security from the main menu. If the Embedded Security Device Support option is set to "Disable", skip to step 7. 5. To erase all security keys from the TPM: Under Embedded Security Device in the System Security menu, configure Reset to Factory Settings to Reset. NOTE: Although the TPM security keys will be cleared, data in the non-volatile memory indices may not be. Data stored in these indices should not contain security sensitive information. If an application locks down and secures the non-volatile indices, these indices cannot be cleared. 6. Press F10 to accept changes. 7. To clear the secure boot key database: a. Enter the F10 setup utility. b. Go to the Security menu. c. Select Secure Boot Configuration. d. In the Key Management section, select clear Secure boot keys. e. Use space key to select clear. ENWW 177