Intel SE440BX Product Guide - Page 61

A Error Messages BIOS Beep Codes One long beep followed by several short beeps indicates a video problem. Table 40. Beep Codes Beeps 1-2-2-3 1-3-1-1 1-3-1-3 1-3-3-1 1-3-3-2 1-3-3-3 1-3-4-1 1-3-4-3 1-4-1-1 2-1-2-2 2-1-2-3 2-2-3-1 2-2-4-1 1-2 Port 80h Code Explanation 16h BIOS ROM checksum 20h Test DRAM refresh 22h Test Keyboard Controller 28h Autosize DRAM 29h Initialize POST Memory Manager 2Ah Clear 512 KB base RAM 2Ch RAM failure on address line xxxx 2Eh RAM failure on data bits xxxx of low byte of memory bus 30h RAM failure on data bits xxxx of high byte of memory bus 45h POST device initialization 46h Check ROM copyright notice 58h Test for unexpected interrupts 5Ch Test RAM between 512 and 640 KB 98h Search for option ROMs. One long, two short beeps on checksum failure 61