2-10 Diagnostics and Troubleshooting GuideTable 2-2. System Beep CodesCode Cause Action1-1-2 Microprocessor registerfailureSee Chapter 7, “Getting Help,” for instructions on obtaining technicalassistance.1-1-3 NVRAM Run the System Set Test Group in the Dell Diagnostics. See Chapter 4,“Running the Dell Diagnostics.”1-1-4 ROM BIOS checksumfailureRun the System Set Test Group in the Dell Diagnostics, if possible. SeeChapter 4, “Running the Dell Diagnostics.”1-2-1 Programmable interval timer Run the System Set Test Group in the Dell Diagnostics, if possible. SeeChapter 4, “Running the Dell Diagnostics.”1-2-2 DMA initialization failure Run the System Set Test Group in the Dell Diagnostics, if possible. SeeChapter 4, “Running the Dell Diagnostics.”1-2-3 DMA page register read/write failureRun the System Set Test Group in the Dell Diagnostics, if possible. SeeChapter 4, “Running the Dell Diagnostics.”1-3 Video Memory Test failure Run the Video Test Group in the Dell Diagnostics. See Chapter 4, “Run-ning the Dell Diagnostics.”1-3-1through2-4-4SIMMs or DIMMs not beingproperly identified or usedSee “Troubleshooting System Memory” in Chapter 7.3-1-1 Slave DMA register failure Run the System Set Test Group in the Dell Diagnostics, if possible. SeeChapter 4, “Running the Dell Diagnostics.”3-1-2 Master DMA register failure Run the System Set Test Group in the Dell Diagnostics, if possible. SeeChapter 4, “Running the Dell Diagnostics.”3-1-3 Master interrupt maskregister failureOtherwise, see Chapter 7, “Getting Help,” for instructions on obtainingtechnical assistance.3-1-4 Slave interrupt maskregister failureOtherwise, see Chapter 7, “Getting Help,” for instructions on obtainingtechnical assistance.3-2-2 Interrupt vector loadingfailureSee Chapter 7, “Getting Help,” for instructions on obtaining technicalassistance.3-2-4 Keyboard Controller TestfailureRun the Keyboard Test Group in the Dell Diagnostics. See Chapter 4,“Running the Dell Diagnostics.” Otherwise, see Chapter 7, “GettingHelp,” for instructions on obtaining technical assistance.3-3-1 NVRAM power loss Run the System Set Test Group in the Dell Diagnostics, if possible. SeeChapter 4, “Running the Dell Diagnostics.”NOTE: For the full name of an abbreviation or acronym used in this table, see the abbreviation and acronym list that precedes theIndex.