JETWAY P4XDMR1A User Manual

Contents

JETWAY P4XDMR1A User Manual Manual pdf 27 page image

25Allows OS2 to be used with >64MB or DRAM. Settings are Non-OS/2 (default) andOS2. Set to OS/2 if using more than 64MB and running OS/2.3-6 Advanced Chipset FeaturesThe Advanced Chipset Features Setup option is used to change the values of the chipsetregisters. These registers control most of the system options in the computer.CMOS Setup Utility – Copyright(C) 1984-2002 Award SoftwareAdvanced Chipset FeaturesItem Help> DRAM Timing Settings Press Enter> AGP Timing Settings Press Enter> PCI Timing Settings Press EnterSystem BIOS Cacheable DisabledVideo RAM Cacheable DisabledMemory Hole DisabledMenu Level >↑↓→← Move Enter:Select +/-/PU/PD:Value F10:Save ESC:Exit F1:General HelpF5:Previous Values F6:Optimized Defaults F7:Standard DefaultsDRAM Timing SettingsPlease refer to section 3-6-1AGP Timing SettingsPlease refer to section 3-6-2PCI Timing SettingsPlease refer to section 3-6-3System BIOS CacheableSelecting Enabled allows caching of the system BIOS ROM at F0000h-FFFFFh, resulting inbetter system performance. However, if any program writes to this memory area, a systemerror may result. The settings are: Enabled and Disabled.Video RAM CacheableSelect Enabled allows caching of the video BIOS, resulting in better system performance.However, if any program writes to this memory area, a system error may result. Thesettings are: Enabled and Disabled.Memory HoleYou can reserve this area of system memory for ISA adapter ROM. When this area isreserved, it cannot be cached. The user information of peripherals that need to use this areaof system memory usually discusses their memory requirements. The settings are: Enabledand Disabled.