Text Error Messages Error Message Explanation 8042 Gate - A20 Error Gate A20 on the keyboard controller (8042) is not working. Address Line Short! Error in the address decoding circuitry on the baseboard. Bad PnP Serial ID Checksum The Serial ID checksum of a Plug and Play card was invalid. Cache Memory Bad Cache memory is defective. Replace it. CH-2 Timer Error Most systems include two timers. There is an error in timer 2. CMOS Battery State Low CMOS RAM is powered by a battery. The battery power is low. Replace the battery. CMOS Checksum Failure After CMOS RAM values are saved, a checksum value is generated for error checking. The previous value is different from the current value. Run CMOS Setup. CMOS System Options Not Set The values stored in CMOS RAM are either corrupt or nonexistent. Run Setup. CMOS Display Type Mismatch The video type in CMOS RAM does not match the type detected by the BIOS. Run CMOS Setup. CMOS Memory Size Mismatch The amount of memory on the baseboard is different than the amount in CMOS RAM. Run CMOS Setup. CMOS Time and Date Not Set Run Standard CMOS Setup to set the date and time in CMOS RAM. Diskette Boot Failure The boot disk in floppy drive A: is corrupt. It cannot be used to boot the system. Use another boot disk and follow the screen instructions. Display Switch Not Proper The display jumper is not implemented on this product, this error will not occur. DMA Bus Time-out A device has driven the bus signal for more than 7.8 microseconds. DMA Error Error in the DMA controller. DMA #1 Error Error in the first DMA channel. DMA #2 Error Error in the second DMA channel. Floppy Disk Controller Conflict The floppy disk controller has requested a resource that is already in use. FDD Controller Failure The BIOS cannot communicate with the floppy disk drive controller. Check all appropriate connections after the system is powered down. HDD Controller Failure The BIOS cannot communicate with the hard disk drive controller. Check all appropriate connections after the system is powered down. INTR #1 Error Interrupt channel 1 failed POST. INTR #2 Error Interrupt channel 2 failed POST. Invalid Boot Diskette The BIOS can read the disk in floppy drive A:, but cannot boot the system. Use another boot disk. I/O Card Parity Error at xxxxx An expansion card failed. If the address can be determined, it is displayed as xxxxx. If not, the message is I/O Card Parity Error ????. Keyboard Is Locked...Unlock It The keyboard lock on the system is engaged. The system must be unlocked to continue. Keyboard Error There is a timing problem with the keyboard. Set the Keyboard option in Standard CMOS Setup to Not Installed to skip the keyboard POST routines. KB/Interface Error There is an error in the keyboard connector. Memory Parity Error at xxxxx Memory failed. If the memory location can be determined, it is displayed as xxxxx. If not, the message is Memory Parity Error ????. NVRAM Checksum Error The ESCD data was reinitialized because of an NVRAM checksum error. Try rerunning the ICU. NVRAM Cleared By Jumper The "Clear CMOS" jumper has been moved to the "Clear" position and CMOS RAM has been cleared. NVRAM Data Invalid Invalid entry in the ESCD. Off Board Parity Error Parity error in memory installed in an expansion slot. The format is: OFF BOARD PARITY ERROR ADDR (HEX) = (XXXX) XXXX is the hex address where the error occurred. On Board Parity Error Parity is not supported on this product, this error will not occur. Parallel Port Resource Conflict The parallel port has requested a resource that is already in use. Parity Error ???? Parity error in system memory at an unknown address. PCI Error Log is Full This message is displayed when more than 15 PCI conflict errors are detected. No additional PCI errors can be logged. PCI I/O Port Conflict Two devices requested the same resource, resulting in a conflict. PCI IRQ Conflict Two devices requested the same resource, resulting in a conflict. PCI Memory Conflict Two devices requested the same resource, resulting in a conflict. Primary Boot Device Not Found The designated primary boot device (hard disk drive, diskette drive, or CD-ROM drive) could not be found. Primary IDE Controller Conflict The primary IDE controller has requested a resource that is already in use. Primary Input Device Not Found The designated primary input device (keyboard, mouse, or other, if input is redirected) could not be found. Secondary IDE Cont Conflict The secondary IDE controller has requested a resource that is already in use. Serial Port 1 Resource Conflict Serial port 1 has requested a resource that is already in use. Serial Port 2 Resource Conflict Serial port 2 has requested a resource that is already in use. Static Device Resource Conflict A non Plug and Play ISA card has requested a resource that is already in use. System Board Device Conflict A non Plug and Play ISA card has requested a resource that is already in use.