Phoenix Error Codes NOTE: Beep codes indicate the pattern of beeps in a burst (for example, 1-1-3 is 1 beep followed by 1 beep, followed by a burst of 3 beeps). Beep Code Contents Port 80H Description of Error 컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴 none 01h CPU register test in progress 1-1-1 02h CMOS write/read failure 1-1-2 03h ROM BIOS checksum failure 1-1-3 CMOS Read/Write test in progress or failure 1-1-4 BIOS Read/Write test in progress or failure 1-2-1 06h DMA Page register write/read failure 1-2-2 DMA initialization failure 1-2-3 04h Programmable interval timer failure 1-2-4 05h DMA initialization failure 1-3-1 0Bh 1st 64-KB RAM odd/even logic failure 1-3-2 08h RAM refresh verification failure 1-3-3 1st 64-KB RAM chip or data line failure multi-bit none 09h 1st 64-KB RAM test in progress 1-3-4 0Ah 1st 64-KB RAM chip or data line failure multi-bit 1-4-1 Address line failure 1st 64-KB RAM 1-4-2 0Ch Address line failure 1st 64-KB RAM 1-4-3 0Dh Parity failure 1st 64-KB RAM 2-1-1 10h Bit 0 1st 64-KB RAM failure 2-1-2 11h Bit 1 1st 64-KB RAM failure 2-1-3 12h Bit 2 1st 64-KB RAM failure 2-1-4 13h Bit 3 1st 64-KB RAM failure 2-2-1 14h Bit 4 1st 64-KB RAM failure 2-2-2 15h Bit 5 1st 64-KB RAM failure 2-2-3 16h Bit 6 1st 64-KB RAM failure 2-2-4 17h Bit 7 1st 64-KB RAM failure 2-3-1 18h Bit 8 1st 64-KB RAM failure 2-3-2 19h Bit 9 1st 64-KB RAM failure 2-3-3 1Ah Bit A 1st 64-KB RAM failure 2-3-4 1Bh Bit B 1st 64-KB RAM failure 2-4-1 1Ch Bit C 1st 64-KB RAM failure 2-4-2 1Dh Bit D 1st 64-KB RAM failure 2-4-3 1Eh Bit E 1st 64-KB RAM failure 2-4-4 1Fh Bit F 1st 64-KB RAM failure 3-1-1 20h Slave DMA register failure 3-1-2 21h Master DMA register failure 3-1-3 22h Master interrupt mask register failure 3-1-4 23h Slave interrupt mask register failure none 25h Interrupt vector loading in progress 3-2-4 27h Keyboard controller test failure none 28h CMOS power faliure and checksum calc in progress none 29h CMOS configuration validation in progress 3-3-4 2Bh Screen memory test failure 3-4-1 2Ch Screen initialization failure 3-4-2 2Dh Screen retrace test failure none 2Eh Search for video ROM in progress none 30h Screen believed operable none 30h Screen believed running with video ROM none 31h Monochrome monitor believed operable none 32h Color monitor (40-column) believed operable none 33h Color monitor (80-column) believed operable 4-2-1 34h No time tick 4-2-2 35h Shutdown failure 4-2-3 36h Gate A20 failure 4-2-4 37h Unexpected interrupt in protected mode 4-3-1 38h Memory high address line failure at 010000h - 0A0000h 4-3-3 3Ah Timer chip counter 2 failed 4-3-4 3Bh Time-of-day clock stopped 4-4-1 3Ch Serial port test failure 4-4-2 3DH Parallel port test failure 4-4-3 3Eh Math coprocessor test failure 4-4-4 Undocumented from Pheonix; Try draining CMOS