Acer Veriton Z291G Service Guide - Page 64

Message PCI ROM conflict PCI IRQ conflict PCI IRQ routing table error Timer Error Refresh timer test failed Interrupt Controller-1 error Interrupt Controller-2 error Description A PCI adapter generated an I/O resource conflict when configured by BIOS POST. A PCI adapter generated an I/O resource conflict when configured by BIOS POST. BIOS POST (DIM code) found a PCI device in the system but was unable to figure out how to route an IRQ to the device. Usually this error is causing by an incomplete description of the PCI Interrupt Routing of the system. Indicates an error while programming the count register of channel 2 of the 8254 timer. This may indicate a problem with system hardware. BIOS POST found that the refresh timer hardware failed to pass the Refresh Retrace Test. BIOS POST could not initialize the Master Interrupt Controller. This may indicate a problem with system hardware. BIOS POST could not initialize the Slave Interrupt Controller. This may indicate a problem with system hardware. CMOS Message Displayed CMOS Date/Time Not Set CMOS Battery Low CMOS Settings Wrong CMOS Checksum Bad Description The CMOS date and/or time are invalid. This error can be resolved by readjusting the system time in AMIBIOS Setup. CMOS battery is low. This message usually indicates that the CMOS battery needs to be replaced. It could also appear when the user intentionally discharges the CMOS battery. CMOS settings are invalid. This error can be resolved by using AMIBIOS Setup. CMOS contents failed the Checksum check. Indicates that the CMOS data has been changed by a program other than the BIOS or that the CMOS is not retaining its data due to malfunction. This error can typically be resolved by using AMIBIOS Setup. Miscellaneous Message Displayed KBC BAT Test failed Keyboard Error PS/2 Keyboard not found PS/2 Mouse not found Keyboard/Interface Error Unlock Keyboard System Halted Pressed Password check failed Description Keyboard controller BAT test failed. This may indicate a problem with keyboard controller initialization. Keyboard is not present or the hardware is not responding when the keyboard controller is initialized. PS/2 keyboard support is enabled in the BIOS setup but the device is not detected. PS/2 mouse support is enabled in the BIOS setup but the device is not detected. Keyboard controller failure. This may indicate a problem with system hardware. PS/2 keyboard is locked. User needs to unlock the keyboard to continue the BIOS POST. The system has been halted. A reset or power cycle is required to reboot the machine. This message appears after a fatal error has been detected. Indicates that key is pressed during the BIOS POST. The POST will load and use default CMOS settings. The password entered does not match the password set in the setup. This condition may occur for both Supervisor and User password verification. 56 Veriton Z290G AIO Computer Service Guide