Lenovo ThinkPad L520 (English) User Guide - Page 164

Function, Selection, Comments, Enabled, Disabled, Password, Security Chip, Inactive, Enter

Page 164 highlights

Table 4. Config menu items (continued) Function Selection Core Multi-Processing • Enabled • Disabled Intel® Virtualization Technology • Enabled • Disabled Comments Enables or disables additional execution core units within a CPU. Note: If you are using a computer with a single-core processor, this item does not appear. Note: For Core Multi-Processing, refer to the instructions in "Installing Windows XP" on page 133 If you select "Enabled," a VMM(Virtual Machine Monitor) can utilize the additional hardware capabilities provided by Intel Virtualization Technology. Security menu items Table 5. Security menu items Function Selection Comments Password Refer to "Security menu" on page 139 and "Using passwords" on page 67. Security Chip Security Chip • Active • Inactive • Disabled If you select "Active," Security Chip is functional. If you select "Inactive," Security Chip is visible, but is not functional. If you select "Disabled," Security Chip is hidden and is not functional. Security Reporting Options • Enabled • Disabled Enable or disable the following Security Reporting Options. • BIOS ROM String: BIOS text string • ESCD: Extended system configuration data • CMOS: CMOS data • NVRAM: Security data stored in the Asset ID • SMBIOS: SMBIOS data Note: Only if you select "Active" for Security Chip, this item appears. Clear Security Chip • Enter Clear the encryption key. Note: Only if you select "Active" for Security Chip, this item appears. BIOS Update Option Flash BIOS Updating by End-Users Memory Protection • Enabled • Disabled If you select "Enabled," all users can update the Flash BIOS. If you select "Disabled," only the person who knows supervisor password can update the Flash BIOS. 146 User Guide

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Table 4. Config menu items (continued)
Function
Selection
Comments
Core Multi-Processing
Enabled
Disabled
Enables or disables additional execution core units
within a CPU.
Note:
If you are using a computer with a single-core
processor, this item does not appear.
Note:
For Core Multi-Processing, refer to the
instructions in “Installing Windows XP” on page 133
Intel
®
Virtualization Technology
Enabled
Disabled
If you select “Enabled,” a VMM(Virtual Machine
Monitor) can utilize the additional hardware
capabilities provided by Intel Virtualization
Technology.
Security menu items
Table 5. Security menu items
Function
Selection
Comments
Password
Refer to “Security menu” on page 139 and “Using passwords” on page 67.
Security Chip
Security Chip
Active
Inactive
Disabled
If you select “Active,” Security Chip is functional. If
you select “Inactive,” Security Chip is visible, but is
not functional. If you select “Disabled,” Security Chip
is hidden and is not functional.
Security Reporting Options
Enabled
Disabled
Enable or disable the following Security Reporting
Options.
BIOS ROM String: BIOS text string
ESCD: Extended system configuration data
CMOS: CMOS data
NVRAM: Security data stored in the Asset ID
SMBIOS: SMBIOS data
Note:
Only if you select “Active” for Security Chip,
this item appears.
Clear Security Chip
Enter
Clear the encryption key.
Note:
Only if you select “Active” for Security Chip,
this item appears.
BIOS Update Option
Flash BIOS Updating by
End-Users
Enabled
Disabled
If you select “Enabled,” all users can update the
Flash BIOS. If you select “Disabled,” only the person
who knows supervisor password can update the
Flash BIOS.
Memory Protection
146
User Guide