IBM Beep Codes

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Success for the visitors Internet Marketing Support | Code Description

1 brusk beep System is OK
2 brusk beeps POST Error - mistake code shown on covert No beep Power furnish or organization board occupation Continuous beep Power furnish , organization board , or keyboard occupation Repeating brusk beeps Power furnish or organization board problem
1 long , i brusk beep System board problem
1 long , two brusk beeps Display adapter occupation (MDA , CGA)
1 long , iii brusk beeps Display adapter occupation (EGA)
3 long beeps 3270 keyboard card

IBM POST Diagnostic Code Descriptions
Code Description
100 - 199 System Board
200 - 299 Memory
300 - 399 Keyboard
400 - 499 Monochrome Display
500 - 599 Colour/Graphics Display
600 - 699 Floppy-disk travail and/or Adapter
700 - 799 Math Coprocessor
900 - 999 Parallel Printer Port
1000 - 1099 Alternate Printer Adapter
1100 - 1299 Asynchronous Communication Device , Adapter , or Port
1300 - 1399 Game Port
1400 - 1499 Colour/Graphics Printer
1500 - 1599 Synchronous Communication Device , Adapter , or Port
1700 - 1799 Hard Drive and/or Adapter
1800 - 1899 Expansion Unit (XT)
2000 - 2199 Bisynchronous Communication Adapter
2400 - 2599 EGA system-board Video (MCA)
3000 - 3199 LAN Adapter
4800 - 4999 Internal Modem
7000 - 7099 Phoenix BIOS Chips
7300 - 7399 3.5" Disk Drive
8900 - 8999 MIDI Adapter
11200 - 11299 SCSI Adapter
21000 - 21099 SCSI Fixed Disk in addition to Controller
21500 - 21599 SCSI CD-ROM System