MSI 661FM2-LSR User Guide - Page 45

MS-7060 Micro ATX Mainboard Security Option This specifies the type of BIOS password protection that is implemented. Settings are described below: Option [Setup] [System] Description The password prompt appears only when end users try to run Setup. A password prompt appears every time when the computer is powered on or when end users try to run Setup. Boot OS/2 for DRAM > 64MB This allows you to run the OS/2® operating system with DRAM larger than 64MB. When you choose [No], you cannot run the OS/2® operating system with DRAM larger than 64MB. But it is possible if you choose [Yes]. Setting options: [Yes], [No]. Limit CPUID MaxVal If installing Windows NT series OS with Prescott CPU, you must [Enable] this item function; if you use other OS except Windows NT, you have to [Disable] this item function. Setting options: [Enabled], [Disabled]. HT CPU Function This field is used to [Enabled] or [Disabled] the Intel Hyper Threading CPU function. Setting to [Enabled] will increase the system performance. Setting options: [Enabled], [Disabled]. Please disable this item if your operating system doesn't support HT Function, or unreliability and instability may occur. APIC Function This field is used to [Enabled] or [Disabled] the APIC (Advanced Programmable Interrupt Controller). Due to compliance to PC2001 design guide, the system is able to run in APIC mode. Enabling APIC mode will expand available IRQs resources for the system. Setting options: [Enabled], [Disabled]. MPS Table Version This field allows you to select which MPS (Multi-Processor Specification) version to be used for the operating system. You need to select the MPS version supported by your operating system. To find out which version to use, consult the vendor of your operating system. Setting options: [1.4], [1.1]. MSI Reminds You... Enabling the functionality of Hyper-Threading Technology for your computer system requires ALL of the following platform Components: *CPU: An Intel® Pentium® 4 Processor with HT Technology; *Chipset: A chipset that supports HT Technology; *BIOS: A BIOS that supports HT Technology and has it enabled; *OS: Only Microsoft® Windows 2000 and XP can support HT technology. 3-10