Asus Pundit P2-PE2 Pundit-PE2 User''s Manual for English Edition - Page 66

USB Legacy Support [Auto] Setting to [Auto] allows the system to detect a USB device at startup. If detected, the USB controller legacy mode is enabled. If not detected, the USB controller legacy mode is disabled. When you set this field to [Disabled], the USB controller legacy mode is disabled whether or not you are using a USB device. Configuration options: [Auto] [Disabled] [Enabled] 5.4.1 Chip Configuration SDRAM Configuration [By SPD] Allows you to set the optimal timings for items 2 to 5, depending on the memory modules that you are using. The default setting is [By SPD], which configures items 2 to 5 by reading the contents in the SPD (Serial Presence Detect) device. The EEPROM on the memory module stores critical information about the module, such as memory type, size, speed, voltage interface, and module banks. Configuration options: [User Defined] [By SPD] The SDRAM parameters (items 2 to 5) are user configurable only when you set the SDRAM Configuration to [User Defined]. SDRAM CAS Latency [2.5T] Controls the latency between the SDRAM read command and the time the data actually becomes available. Configuration options: [2.5T] [2T] [1.5T] [3T] 5-18 Chapter 5: BIOS setup