3-10 Configuring Your SystemAdvanced Chipset ControlFeature Choices Description Your SettingGraphics Aperture 4Mb8Mb16Mb32Mb64Mb128Mb256MbSelects the Graphics Aperture size for the AGPvideo device. Some operating systems require thisvalue to be less than 256MB.This feature is not used on this server.640 – 768K Memory Region EnabledDisabledEnabled forwards ISA Master and DMA cycles tothe PCI bus. Disabled forwards these cycles tomemory.Delayed Transaction DisabledEnabledEnable the delayed transaction mechanism whenPIIX4 is target of a PCI transaction.Passive Release DisabledEnabledEnable the Passive Release mechanism on PHOLD#signal when PIIX4 is a PCI MASTER.Security MenuNote: Enabling the Supervisor Password field requires a passwordfor entering Setup. The passwords are not case sensitive.Feature Choices Description Your SettingUser Password is ClearSetStatus only; user cannot modify. Once set, this canbe disabled by setting it to a null string, or byclearing password jumper on system board (seeSystem Board Jumpers inChapter 3).Supervisor Password is ClearSetStatus only; user cannot modify.Set User Password Press ENTER When the key is pressed, the user isprompted for a password; press ESC key to abort.Once set, this can be disabled by setting it to a nullstring, or by clearing password jumper on systemboard (refer to System Board Jumpers in thischapter).
