Advantech SIMB-M21 User Manual page 78

 BIOS Lock[Enable]
Enable or Disable BIOS interface lockdown.
Configuration options: [Disabled] [Enabled].
 GPIO Lock[Disable]
Enable or Disable SMI lockdown.
Configuration options: [Disabled] [Enabled].
 High Precision Timer [Enable]
Enable/Disable the High Precision Timer.
Configuration options: [Disabled] [Enabled].
3.5.2.1 USB Configuration
 EHCI1 [Enabled]
Enable/Disable USB 2.0(EHCI) support.
Configuration options: [Disabled] [Enabled].
 EHCI2 [Enabled]
Enable/Disable USB 2.0(EHCI) support.
Configuration options: [Disabled] [Enabled].
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