IBM 6648 User Guide - Page 90

If the following beep codes occur, have the computer serviced. Beep code 1-1-3 1-1-4 1-2-1 1-2-2 1-2-3 1-2-4 1-3-1 1-3-2 1-4-3 1-4-4 2-1-1 2-1-2 2-1-3 2-1-4 2-2-2 2-3-2 2-3-3 Probable cause CMOS write/read failure BIOS ROM checksum failure Programmable interval timer test failure DMA initialization failure DMA page register write/read test failure RAM refresh verification failure RAM test failure RAM parity test failure Fail-safe timer test in progress Software NMI port test in progress Secondary DMA register test in progress or failure Primary DMA register test in progress or failure Primary interrupt mask register test failure Secondary interrupt mask register test failure Keyboard controller test failure Screen memory test in progress or failure Screen retrace tests in progress or failure Ethernet error messages The error messages listed in this section apply only to models with a preinstalled Ethernet adapter or riser card. If a failure condition occurs after the Ethernet controller is initialized, an error message appears on the screen. The error messages that can occur are shown below. If you experience any error related to the Ethernet adapter, record the error message, and tell your network administrator about the problem. RPL-related error messages These error messages are specific to the Ethernet adapter and the RPL environment of your computer. The two most common error messages are shown below. RPL-ROM-ERR: 105 The integrated Ethernet failed the loopback test. RPL-ROM-ERR: 107 Media test failed; check the cable. 76 User Guide