ASRock A770DE User Manual - Page 43

NB Frequency Multiplier This option appears only when you adopt Phenom CPU. However, for safety and system stability, it is not recommended to adjust the value of this item. NB Voltage This option appears only when you adopt Phenom CPU. It allows you to adjust the value of NB voltage. However, for safety and system stability, it is not recommended to adjust the value of this item. HT Bus Speed This feature allows you selecting Hyper-Transport bus speed. Configuration options: [Auto],[x1 200 MHz] to [x5 1000 MHz]. If you adopt Phenom CPU, the configuration options are: [Auto], [x1 200 MHz] to [x13 2600 MHz]. The configuration options depend on the CPU you adopt. HT Bus Width This feature allows you selecting Hyper-Transport bus width. Configuration options: [Auto], [8 Bit] and [16 Bit]. 3.4.2 Memory Configuration BIOS SETUP UTILITY Advanced Memory Configuration Memory Clock Flexibility Option Memory Controller Mode Power Down Enable Bank Interleaving Channel Interleaving Timing : 4-4-4-12 CAS Latency (CL) TRCD TRP TRAS Timing : 2-2-2-4-16 TRTP TRRD TWTR TWR [Auto] [Disabled] [Unganged] [Enabled] [Auto] [XOR of Address bit] [Auto] [Auto] [Auto] [Auto] [Auto] [Auto] [Auto] [Auto] +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. Memory Clock This item can be set by the code using [Auto]. You can set one of the standard values as listed: [200 MHz (DDR2 400)], [266 MHz (DDR2 533)], [333 MHz (DDR2 667)] and [400MHz (DDR2 800)]. If you adopt Phenom CPU, there is one more option: [533MHz (DDR2 1066)] Flexibility Option The default value of this option is [Disabled]. It will allow better tolerance for memory compatibility when it is set to [Enabled]. Memory Controller Mode This option appears only when you adopt Phenom CPU. It allows you to adjust the memory controller mode. Configuration options: [Unganged] and [Ganged]. The default value is [Unganged]. 43