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AIMB-225 User Manual
Chapter 3
B
IOS Operation
3.2.2.7
USB Configuration
Legacy USB support
Enables support for legacy USB. Auto option disables legacy support if no USB
devices are connected.
XHCI Hand-off
This is a workaround for OS without XHCI hand-off support. The XHCI owner-
ship change should claim by XHCI driver.
EHCI Hand-off
This is a workaround for OS without EHCI hand-off support. The EHCI owner-
ship change should claim by EHCI driver.
USB Mass Storage Driver Support
USB transfer time-out
Time-out value for control, bulk, and interrupt transfers.
Device reset time-out
USB mass storage device starts unit command time-out.
Device power-up delay
Maximum time the device will take before it properly report itself to the host con-
troller.
Mass Storage Devices
Shows USB mass storage device information.
Summary of Contents for AIMB-225
Page 8: ...AIMB 225 User Manual viii...
Page 13: ...Chapter 1 1 General Information...
Page 26: ...AIMB 225 User Manual 14 1 6 AIMB 225 Board Diagram Figure 1 2 AIMB 225 Board Diagram...
Page 30: ...AIMB 225 User Manual 18...
Page 31: ...Chapter 2 2 Connecting Peripherals...
Page 46: ...AIMB 225 User Manual 34...
Page 47: ...Chapter 3 3 BIOS Operation...
Page 64: ...AIMB 225 User Manual 52 3 2 3 3 North Bridge Configuration...
Page 68: ...AIMB 225 User Manual 56...
Page 69: ...Chapter 4 4 Software Introduction Service...
Page 73: ...Chapter 5 5 Chipset Software Installation Utility...
Page 76: ...AIMB 225 User Manual 64...
Page 77: ...Chapter 6 6 Graphics Setup...
Page 79: ...Chapter 7 7 LAN Configuration...
Page 82: ...AIMB 225 User Manual 70...
Page 83: ...Appendix A A Programming the Watchdog Timer...
Page 91: ...Appendix B B I O Pin Assignments...
Page 101: ...89 AIMB 225 User Manual Appendix B I O Pin Assignments...