Asus CUSL2 CUSL2 User Manual - Page 62
ASUS CUSL2 User's Manual, Onboard VGA, Display Cache - cpu chip
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4. BIOS SETUP SDRAM RAS to CAS Delay This controls the latency between the SDRAM active command and the read/write command. SDRAM RAS Precharge Time This controls the idle clocks after issuing a precharge command to the SDRAM. SDRAM Cycle Time (Tras, Trc) [6T, 8T] This feature controls the number of SDRAM clocks used for SDRAM parameters Tras and Trc. Tras specifies the minimum clocks required between active command and precharge command. Trc specifies the minimum clocks required between active command and re-active command. Configuration options: [5T, 7T] [6T, 8T] SDRAM Page Closing Policy [One Bank] This feature controls that after a page miss whether the Graphics and Memory Controller Hub (GMCH) will issue "precharge only the bank" or "precharge all" command to a specific opened SDRAM bank. Configuration options: [One Bank] [All Banks] CPU Latency Timer [Enabled] This controls the GMCH's response to CPU deferrable cycles. Configuration options: [Disabled] [Enabled] Command Per Cycle [Enabled] When onboard VGA is used, CPU can help to gain graphics performance by increasing proper SDRAM cycles combinations. Configuration options: [Enabled] [Disabled] Onboard VGA [Enabled] Leave on default setting if you want to use the onboard VGA. Select [Disabled] if you want to use an add-on AGP or PCI VGA card. Configuration options: [Disabled] [Enabled] NOTE: The following 6 fields will only be displayed when the AGP Inline Memory Module (AIMM) is used and Onboard VGA is set to [Enabled]. Display Cache [Enabled] This field must be enabled to see the other Display Cache related configuration fields. Configuration options: [Enabled] [Disabled] Display Cache CAS Latency (DCCAS) [2T] Configuration options: [2T] [3T] 4. BIOS SETUP Chip Configuration 62 ASUS CUSL2 User's Manual