Chapter 5: Setup 5-5Setting Memory ShadowThe default setting enables memory shadow. This can increase yourworkstation's performance. This applies only if your workstation has aplug-in video board. If you want to disable the memory shadowing,perform the following steps:1. Move the cursor to the Memory Shadow field on the Main menu andpress Enter. The Memory Shadow menu appears.2. Select Disabled in the Video Shadow field to disable the videoshadow.3. Move the cursor to the Exit menu, select Exit Saving Changes or SaveChanges, and press Enter.Setting Boot OptionsTo set boot options, perform the following steps:1. Move the cursor to the Boot menu. The list of boot devices displays.2. Select the sequence of drives that the workstation will access whenbooting the system.3. Move the cursor to the Exit menu, select Exit Saving Changes andpress Enter.Allocating InterruptsOn the 7401, limited control of interrupt allocation is provided throughthe BIOS Setup Utility. Due to the nature of the PCI bus, the Plug andPlay subsystem allocates the interrupts of PCI devices using allavailable interrupts.To free IRQ15, it is necessary to disable the secondary IDE bus. To dothis, in the Advanced menu, choose Primary in the Local BUS IDEadapter selection.To free IRQs 4, 3, or 7, in the I/O Device Configuration selection, disableCOM A, COM B, or the Parallel port, respectively.
