Acer Altos 500 Altos 500 Service Guide - Page 88

Some VGA cards have required settings for this feature. Check your VGA card manual before setting this parameter. Graphics Aperture Size This parameter determines the effective size of the graphics aperture. Graphics aperture is the address range that the AGP video and the CPU use to manage graphical objects. The lowest setting is 8 MB and the highest is 256 MB. Plug and Play OS When this parameter is set to Yes, BIOS initializes only PnP boot devices such as SCSI cards. When set to No, BIOS initializes all PnP boot and non-boot devices such as sound cards. Set this parameter to Yes only if your operating system is Windows 95. Reset Resource Assignments Set this parameter to Yes to avoid IRQ conflict when installing non-PnP or PnP ISA cards. This clears all resource assignments and allows BIOS to reassign resources to all installed PnP devices the next time the system boots. After clearing the resource data, the parameter resets to No. CPU Frequency This parameter displays your CPU's speed and bus frequency. It also allows you to specify the voltage setting for your current CPU. Selecting this option displays the following screen: 3-32 Altos 500 System Guide