Acer Altos 500 Altos 500 Service Guide - Page 54

Message Hard Disk 0 Error Hard Disk 1 Error Hard Disk 0 Extended Type Error Hard Disk 1 Extended Type Error I/O Parity Error Keyboard Error or No Keyboard Connected Keyboard Interface Error Memory Error at: MMMM:SSSS:OOO (W:XXXX, R:YYYY) where: M: MB, S: Segment, O: Offset, X/Y: write/read pattern Memory Size Mismatch CPU Clock Mismatch Onboard Serial Port 1 Conflict Onboard Serial Port 2 Conflict Onboard Parallel Port Conflict Pointing Device Error Pointing Device Interface Error Action Check all cable connections. Replace hard disk. Check all cable connections. Replace hard disk. Run Setup. Run Setup. Contact your dealer. Check and connect the keyboard to the system unit. Replace the keyboard or contact your dealer. Check DIMMs on the system board. Contact your dealer. Check the memory size based on the system specifications. Check the internal cable connections. If you are sure that connections and values are correct, ignore the message. If the message reappears, ask for technical assistance. Run Setup and disable the port. Run Setup and disable the port. Run Setup and disable the port. Check and connect pointing device. Replace the pointing device or contact your dealer. 2-22 Altos 500 System Guide