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SurePOS 500 4846-XX5 Technical Reference
Page 55 of 63
6.6 On Board Device
USB Controller
Enables or disables the onboard USB controller.
USB devices will not function if the controller is disabled. An additional 32 KB of UMB space can be made available
for DOS by disabling the USB Controller.
Default: Enabled
Options:
Enabled
Disabled
USB 2.0 Controller
Enables or disables the EHCI USB 2.0 controller. If disabled, the USB ports will operate as 1.X ports only.
Default: Enabled
Options:
Enabled
Disabled
USB Keyboard Support
Enables or disables USB keyboard support in non-USB aware environments such as DOS. If ‘Auto’ is selected, BIOS
will enable USB keyboard support if a USB keyboard is detected the POST or disable support if a USB keyboard is not
detected.
Default: Auto
Options:
Disabled
Enabled
Auto
USB Mouse Support
Enables or disables USB mouse support in non-USB aware environments such as DOS. A mouse driver is still
required if support is enabled.