User manual ASUS P5QC

[. . . ] Motherboard P5QC E3810 First Edition June 2008 Copyright © 2008 ASUSTeK COMPUTER INC. No part of this manual, including the products and software described in it, may be reproduced, transmitted, transcribed, stored in a retrieval system, or translated into any language in any form or by any means, except documentation kept by the purchaser for backup purposes, without the express written permission of ASUSTeK COMPUTER INC. Product warranty or service will not be extended if: (1) the product is repaired, modified or altered, unless such repair, modification of alteration is authorized in writing by ASUS; or (2) the serial number of the product is defaced or missing. ASUS PROVIDES THIS MANUAL "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OR CONDITIONS OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. [. . . ] (For DDR3 DIMMs) Configuration options: [Auto] [DDR3-533MHz] [DDR3-639MHz] [DDR3-667MHz] [DDR3-709MHz] [DDR3-800MHz] [DDR3-852MHz] [DDR3-887MHz] [DDR3-1066MHz] (For DDR2 DIMMs) Configuration options: [Auto] [DDR2-667MHz] [DDR2-800MHz] [DDR2-889MHz] [DDR2-1066MHz] The DRAM Frequency configuration options vary with the FSB Frequency item settings. Selecting a very high DRAM frequency may cause the system to become unstable!If this happens, revert to the default setting. 3-16 Chapter 3: BIOS setup 3. 4. 5 DRAM Timing Control [Auto] · · The following sub-items appear only when you set the DRAM Timing Control item to [Manual]. The configuration options for some of the following items vary depending on the DIMMs you install on the motherboard. Configuration options: [Auto] [Manual] 1st Information : 6-6-6-15-4-36-6-4 CAS# Latency [ 5 DRAM Clocks] Configuration options: [3 DRAM Clocks] [4 DRAM Clocks] [5 DRAM Clocks] [6 DRAM Clocks] [7 DRAM Clocks] ­ [10 DRAM Clocks] [11 DRAM Clocks] DRAM RAS# to CAS# Delay [ 5 DRAM Clocks] Configuration options: [3 DRAM Clocks] [4 DRAM Clocks] ­ [17 DRAM Clocks] [18 DRAM Clocks] DRAM RAS# Precharge Time [ 5 DRAM Clocks] Configuration options: [3 DRAM Clocks] [4 DRAM Clocks] ­ [17 DRAM Clocks] [18 DRAM Clocks] DRAM RAS# Activate to Precharge Time [15 DRAM Clocks] Configuration options: [3 DRAM Clocks] [4 DRAM Clocks] ­ [33 DRAM Clocks] [34 DRAM Clocks] RAS# to RAS# Delay [Auto] Configuration options: [Auto] [1 DRAM Clocks] ­ [15 DRAM Clocks] Row Refresh Cycle Time [Auto] Configuration options: [Auto] [30 DRAM Clocks] [36 DRAM Clocks] [48 DRAM Clocks] [60 DRAM Clocks] [72 DRAM Clocks] [82 DRAM Clocks] [88 DRAM Clocks] [90 DRAM Clocks] [100 DRAM Clocks] [110 DRAM Clocks] Write Recovery Time [Auto] Configuration options: [Auto] [1 DRAM Clocks] ­ [15 DRAM Clocks] Read to Precharge Time [Auto] Configuration options: [Auto] [1 DRAM Clocks] ­ [15 DRAM Clocks] 2nd Information : 8-4-8-4-9-4-7 READ to WRITE Delay(S/D) [Auto] Configuration options: [Auto] [1 DRAM Clocks] ­ [15 DRAM Clocks] Write to Read Delay(S) [Auto] Configuration options: [Auto] [1 DRAM Clocks] ­ [15 DRAM Clocks] ASUS P5QC 3-17 WRITE to READ Delay(D) [Auto] Configuration options: [Auto] [1 DRAM Clocks] ­ [15 DRAM Clocks] READ To READ Delay(S) [Auto] Configuration options: [Auto] [1 DRAM Clocks] ­ [15 DRAM Clocks] READ To READ Delay(D) [Auto] Configuration options: [Auto] [1 DRAM Clocks] ­ [15 DRAM Clocks] WRITE To WRITE Delay(S) [Auto] Configuration options: [Auto] [1 DRAM Clocks] ­ [15 DRAM Clocks] WRITE To WRITE Delay(D) [Auto] Configuration options: [Auto] [1 DRAM Clocks] ­ [15 DRAM Clocks] 3rd Information : 15-6-1-7-7- WRITE to PRE Delay [Auto] Configuration options: [Auto] [1 DRAM Clocks] ­ [31 DRAM Clocks] READ to PRE Delay [Auto] Configuration options: [Auto] [1 DRAM Clocks] ­ [15 DRAM Clocks] PRE to PRE Delay [Auto] Configuration options: [Auto] [1 DRAM Clocks] ­ [3 DRAM Clocks] ALL PRE to ACT Delay [Auto] Configuration options: [Auto] [1 DRAM Clocks] ­ [15 DRAM Clocks] ALL PRE to REF Delay [Auto] Configuration options: [Auto] [1 DRAM Clocks] ­ [15 DRAM Clocks] 3. 4. 6 DRAM Static Read Control [Auto] Adjusting this item might enhance DRAM overclocking ability. Configuration options: [Auto] [Disabled] [Enabled] 3. 4. 7 DRAM Dynamic Write Control [Auto] Disabling this function may help enhance DRAM overclocking ability. Configuration options: [Auto] [Disabled] [Enabled] 3. 4. 8 DRAM Read Training [Auto] Enable this function to optimize the DRAM Read Data Timing. Configuration options: [Auto] [Disabled] [Enabled] 3-18 Chapter 3: BIOS setup 3. 4. 9 DRAM Write Training [Auto] Enable this function to optimize the DRAM Write Data Timing. OC Charger [Auto] Enabling this function may help enhance DRAM overclocking ability. Configuration options: [Auto] [Disabled] [Enabled] 3. 4. 11 Ai Clock Twister [Auto] Allows you to set the DRAM performance. Set this item to [Light] or [Lighter] to enhance DRAM compatibility, or [Strong] or [Stronger] to accelerate DRAM performance. Configuration options: [Auto] [Lighter] [Light] [Moderate] [Strong] [Stronger] 3. 4. 12 Ai Transaction Booster [Auto] Allows you to set the system performance. Configuration options: [Auto] [Manual] The following two sub-items appear only when you set the Ai Transaction Booster item to [Manual]. Common Performance Level [05] Set this item to a higher level for better compatibility or a lower level for better performance. Pull-In of CHA/B PH1/2 [Disabled] Set this item to [Enabled] to apply enhancement on DRAM Channel A and B, Phase 1 to 2. Configuration options: [Disabled] [Enabled] The following ten (10) items are adjusted by typing the desired values using the numeric keypad and press the <Enter> key. You can also use the <+> and <-> keys to adjust the value. To restore the default setting, type [auto] using the keyboard and press the <Enter> key. 3. 4. 13 CPU Voltage [Auto] Allows you to set the CPU VCore voltage. The values range from 0. 85000V to 2. 10000V* with a 0. 00625V interval. ASUS P5QC 3-19 · Refer to the CPU documentation before setting the CPU Vcore voltage. Setting a high VCore voltage may damage the CPU permanently, and setting a low VCore voltage may make the system unstable. The value [2. 10000V] of the CPU Voltage item is supported only if the OV_CPU jumper is enabled, otherwise the maximum voltage supported is [1. 70000V]. CPU / Northbridge overvoltage setting on page 2-23 for details. · 3. 4. 14 CPU PLL Voltage [Auto] Allows you to set the CPU PLL voltage. The values range from 1. 50V to 2. 78V with a 0. 02V interval. 3. 4. 15 FSB Termination Voltage [Auto] Allows you to set the front side bus termination voltage. The values range from 1. 20V* to 1. 90V with a 0. 02V interval. The minimum value of this item becomes 1. 10V when a 45nm CPU is installed. 3. 4. 16 DRAM Voltage [Auto] Allows you to set the DRAM voltage. [. . . ] Follow the succeeding screen instructions to complete the installation. ASUS P5QC 4-69 4-70 Chapter 4: Software support Appendix: The Appendix describes the CPU features and technologies that the motherboard supports. CPU features A Chapter summary A. 1 A. 2 A. 3 Intel EM64T. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-1 Enhanced Intel SpeedStep® Technology (EIST) . . . . . . . . . . . . . . . . . . . . . . . . A-1 Intel® Hyper-Threading Technology . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-3 ® A ASUS P5QC A. 1 Intel® EM64T · · The motherboard is fully compatible with Intel® LGA775 processors running on 32-bit operating systems. You can download the latest BIOS file from the ASUS website (www. asus. com/ support/download/) if you need to update the BIOS file. Visit www. microsoft. com for more information on Windows® 64-bit OS. · · Using the Intel® EM64T feature To use the Intel® EM64T feature: 1. Install a 64-bit operating system (Windows® Vista 64-bit Edition or Windows® XP Professional x64 Edition). [. . . ]