User manual

AIMB-281 User Manual 52
Extra Bus Reserved for bridges behind this Root Bridge.
 Reserved Memory
Reserved Memory Range for this Root Bridge.
 Prefetchable Memory
Prefetchable Memory Range for this Root Bridge.
 Reserved I/O
Reserved I/O (4K/8K/12K/16K/20K) Range for this Root Bridge
3.4.2 USB Configuration
 EHCI 1/2
Enables or disables the EHCI controller.
 USB Ports pre-port Disable Control
This item allows users to enable or disable each USB port individually.