User manual ABIT AN8-32X REV 2

[. . . ] AN8 32X AMD Athlon 64/64FX/64x2 Dual Core System Board Socket 939 User's Manual 4310-0000-15 Rev. 2. 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. [. . . ] CAS Latency Time: You can select SDRAM CAS (Column Address Strobe) latency time according your SDRAM specification. Row Cycle Time: This item specifies the RAS# active to RAS# active time or auto refresh time of the same bank. Row Refresh Cycle Time: This item specifies the auto refresh active to RAS# active time or RAS# auto refresh time. RAS# to CAS# Delay: This item specifies the RAS# active to CAS# read write delay time to the same bank. User's Manual 3-16 Chapter 3 RAS# Precharge Time: This item specifies the RAS# precharge time. RAS# to RAS# Delay: This item specifies the RAS# active to RAS# active delay time of different bank. Write Recovery Time: This item specifies the time measured from the last write datum is safely registered by the DRAM. Write to Read Delay: This item specifies the time measured from the rising edge following the last non-masked data strobe to the rising edge of the next read command. DRAM Command Rate: When the host (northbridge) locates the desired memory address, it then processes the wait state of commands. Bank Interleaving: Depending on your SDRAM module structure, the 4-Way setting can offer the best performance. If you choose the wrong setting, the computer system will not run in a stable manner. For detailed information on your SDRAM module, please ask your SDRAM module manufacturer. Burst Length DDR SDRAM modules provide a Burst mode that means an auto precharge function for programmable READ or WRITE burst lengths of 2, 4 or 8 locations. This means that if we set burst length to 8, the address bus will access 8 bytes each cycle to precharge, etc. The MTRR (Memory-Type and Range Registers) controls the access and cacheability of memory regions in the processor. 32 bit Dram Memory Hole: This item selects the method to remap the 32 bit Dram memory hole. Leave this item to its default "Auto" Setting. Back to Advanced Chipset Features Setup Menu: SSE/SSE2 Instructions: This item allows you to Enable or Disable the SSE/SSE2 (Streaming SIMD Extensions) instruction set. System BIOS Cacheable: Two options are available: Disabled or Enabled. When you select Enabled, you get faster system BIOS executing speed via the L2 cache. Integrated Peripherals Phoenix ­ Award BIOS CMOS Setup Utility Integrated Peripherals OnChip IDE/RAID Function Press Enter Init Display First PCIe OnChip USB V1. 1+V2. 0 - USB Keyboard Support Disabled - USB Mouse Support Disabled OnChip Audio Controller Auto OnChip LAN Controller Auto - Onchip LAN Boot ROM Disabled Onboard 1394 Controller Enabled Onboard FDD Controller Enabled OnBoard SATA Controller Enabled - OnBoard SATA Mode IDE Item Help :Move Enter:Select +/-/PU/PD:Value F10:Save ESC:Exit F1:General Help F5: Previous Values F6: Fail-Safe Defaults F7: Optimized Defaults OnChip IDE/RAID Function Click <Enter> key to enter its submenu: Phoenix ­ Award BIOS CMOS Setup Utility IDE/RAID Fuction Setup IDE Function Setup Press Enter RAID Configuration Press Enter Item Help :Move Enter:Select +/-/PU/PD:Value F10:Save ESC:Exit F1:General Help F5: Previous Values F6: Fail-Safe Defaults F7: Optimized Defaults User's Manual 3-18 Chapter 3 IDE Function Setup: Click <Enter> key to enter its submenu: Phoenix ­ Award BIOS CMOS Setup Utility IDE Fuction Setup IDE 1 Controller Enabled IDE 2 Controller Enabled IDE DMA Transfer access Enabled IDE HDD Block Mode Enabled Serial-ATA 1/2 Enabled Serial-ATA 3/4 Enabled Item Help :Move Enter:Select +/-/PU/PD:Value F10:Save ESC:Exit F1:General Help F5: Previous Values F6: Fail-Safe Defaults F7: Optimized Defaults IDE 1 Controller / IDE 2 Controller: This item allows you to enable or disable the primary (IDE1) and secondary (IDE2) IDE controller. Select [Disabled] if you want to add a different hard drive controller. IDE DMA Transfer access: This item selects the DMA mode for devices connected through IDE channels. [. . . ] 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. [. . . ]