ThinkPad E460 User Manual page 80

Table 3. Security menu items (continued)
Menu item
Security Chip
64
User Guide
Submenu item
Password Count Exceeded
Error
Set Minimum Length
Power-On Password
Hard Disk1 Password
Security Chip Selection
Selection
• Disabled
• Enabled
• Disabled
• Password length options
• Disabled
• Enabled
• Disabled
• Enabled
• Discrete TPM
• Intel PTT
Comments
F12 boot device list. Select
Enabled to prompt for
the Security password.
Select Disabled to proceed
without any user action
required.
Select Enabled to show
the POST 0199 error and
prompt for the Security
password. Select Disabled
to hide the POST 0199 error
and proceed without any
user action required.
Specify a minimum length
for the power-on password
and hard disk password.
By default, this is set to
Disabled. If you set the
supervisor password and
specify a minimum length
for passwords, no one but
you can change the length.
Refer to "Power-on
password" on page 46.
Refer to "Hard disk
passwords" on page
48.
If you select Discrete TPM,
you can use a discrete TPM
chip with TPM 1.2 mode.
If you select Intel PTT,
you can use Intel Platform
Trusted technology (PTT)
with TPM 2.0 mode.
If you change from Intel
PTT to Discrete TPM, a
message pops up that all
encryption keys will be
cleared in the security chip.
If you want to continue,
select Yes.
If you change from Discrete
TPM to Intel PTT, a
message pops up that all
encryption keys will be
cleared in the security chip.
Intel AMT and Intel TXT are
disabled when the security
chip is set to Intel PTT.
If you want to continue,
select Yes.
Notes: