ASRock P4i48 User Manual - Page 29

Legacy USB Support Use this item to enable or disable the support to emulate legacy I/O devices such as mouse, keyboard,... etc. Or you may select [Auto] so that the system will start to auto-detect; if there is no USB device connected, "Auto" option will disable the legacy USB support. 3.4 PCIPnP Screen In this section, you may configure the PCI Latency Timer and the PCI IDE Bus Master. Main Advanced BIOS SETUP UTILITY PCIPnP Boot Security Chipset Exit Advanced PCI / PnP Settings WARNING : Setting wrong values in below sections may cause system to malfunction. PCI Latency Timer PCI IDE BusMaster [64] [Enabled] Value in units of PCI clocks for PCI device latency timer register. +F1 F9 F10 ESC Select Screen Select Item Change Option General Help Load Defaults Save and Exit Exit v02.54 (C) Copyright 1985-2003, American Megatrends, Inc. Setting wrong values in this section may cause the system to malfunction. PCI Latency Timer The default value is 64. It is recommended to keep the default value unless the installed PCI expansion cards' specifications require other settings. PCI IDE BusMaster Use this item to enable or disable the PCI IDE BusMaster feature. 29