User manual ABIT KV-80

[. . . ] KV-80/KV-81/KV-82 AMD Athlon 64 System Board Socket 754 User's Manual 4200-0426-01 Rev. 1. 00 Copyright and Warranty Notice The information in this document is subject to change without notice and does not represent a commitment on part of the vendor, who assumes no liability or responsibility for any errors that may appear in this manual. No warranty or representation, either expressed or implied, is made with respect to the quality, accuracy or fitness for any particular part of this document. In no event shall the manufacturer be liable for direct, indirect, special, incidental or consequential damages arising from any defect or error in this manual or product. [. . . ] If you forget the password, you will have to open the computer case and clear all information in the CMOS before you can start up the system. MPS Version Ctrl For OS: This item specifies which version of MPS (Multi-Processor Specification) this motherboard will use. Report No FDD For OS: When set to [Yes], this item allows you to run some older operating system without floppy disk drive. Delay IDE Initial (Secs): This item allows the BIOS to support some old or special IDE devices by prolonging this delay time. A larger value will give more delay time to the device for which to initialize and to prepare for activation. Disable Unused PCI Clock: This option disables the clock of PCI slot that is not in use. [Enabled]: The system automatically detect the unused DIMM and PCI slots, and stop sending clock signal to these unused PCI slots. [Disabled]: The system always send clock signal to all PCI slots. KV-80/KV-81/KV-82 BIOS Setup 3-7 NOTE: Set this option to [No] setting if there are adapters that cannot be automatically detected by the system and will cause malfunction. 3-4. Advanced Chipset Features AGP & P2P Bridge Control: Click <Enter> key to enter its submenu: AGP Aperture Size: This option specifies the amount of system memory that can be used by the AGP device. The aperture is a portion of the PCI memory address range dedicated for graphics memory address space. User's Manual 3-8 Chapter 3 AGP Fast Write: Two options are available: Disabled Enabled. If your AGP adapter can support this function, then you can choose Enabled. When you set it to Enabled, two-wait states are used by the system, allowing for greater stability. When you set it to Enabled, two-wait states are used by the system, allowing for greater stability. VGA Share Memory Size: This option selects the size of on-chip frame buffer for VGA output. DRAM Configuration: Click <Enter> key to enter its submenu: Current FSB Frequency: This item will show you the current system front side bus speed. Current DRAM Frequency: This item will show you the current DRAM bus speed. KV-80/KV-81/KV-82 BIOS Setup 3-9 DRAM Timing Selectable: This option selects the method of DRAM timing. When set to [By SPD], the BIOS will read the DRAM module SPD data automatically. When set to [Manual], the following sub-items will be available to make adjustments. LDT & PCI Bus Control: Click <Enter> key to enter its submenu: Upstream/Downstream LDT Bus Width: This item allows you to select LDT Bus Width. PCI1 Master 0 WS Write: Two options are available: Enabled or Disabled. When Enabled, writes to the PCI bus are executed with zero wait state (immediately) when PCI bus is ready to receive data. If it is set to Disabled, the system will wait one state before data is written to the PCI bus. [. . . ] After all, your reseller regards you as an important customer who may purchase more products and who can urge your friends to buy from him or her as well. They should know best what your system configuration is and your problem. If you feel that you need to contact ABIT directly you can send email to the ABIT technical support department. First, please contact the support team for the branch office closest to you. [. . . ]