IBM BIOS Beep Codes

IBM BIOS Beep Codes
Audio Code Description
1 short beep Normal POST system okay
2 short beeps POST error view code onscreen
No beep Power supply, motherboard
Continuous beep Power supply, motherboard
Repeating short beeps Power supply, motherboard
1 long, 1 short beep Motherboard
1 long, 2 short beeps Video card (MDA/CGA)
1 long, 3 short beeps Video card (EGA/VGA)
3 long beeps 3270 keyboard card
IBM BIOS beep and alphanumeric error codes
IBM BIOS POST/Diagnostics Display Error Codes
Code Description
1xx System board errors
2xx Memory (RAM) errors
3xx Keyboard errors
4xx Monochrome Display Adapter (MDA) errors
4xx PS/2 system board parallel port errors (PS/2 systems only)
5xx Color Graphics Adapter (CGA) errors
6xx Floppy drive/controller errors
7xx Math coprocessor errors
9xx Parallel printer adapter errors
10xx Alternate parallel printer adapter errors
11xx Primary Async Communications (Serial COM1:) errors
12xx Alternate Async Communications (Serial COM2:, COM3:, and COM4:) errors
13xx Game control adapter errors
14xx Matrix printer errors
15xx Synchronous Data Link Control (SDLC) Communications adapter errors
16xx Display Station Emulation Adapter (DSEA) errors (5520, 525x)
17xx ST-506/412 fixed disk and controller errors
18xx I/O expansion unit errors
19xx 3270 PC attachment card errors
20xx Binary Synchronous Communications (BSC) adapter errors
21xx Alternate Binary Synchronous Communications (BSC) adapter errors
22xx Cluster adapter errors
23xx Plasma monitor adapter errors
24xx Enhanced graphics adapter (EGA) or video graphics array (VGA) errors
25xx Alternate Enhanced Graphics Adapter (EGA) errors
26xx XT or AT/370 370-M (memory) and 370-P (processor) adapter errors
27xx XT or AT/370 3277-EM (emulation) adapter errors
28xx 3278/79 emulation adapter or 3270 connection adapter errors
29xx Color/graphics printer errors
30xx Primary PC network adapter errors
31xx Secondary PC network adapter errors
32xx 3270 PC or AT display and programmed symbols adapter errors
33xx Compact printer errors
35xx Enhanced display station emulation adapter (EDSEA) errors
36xx General-purpose interface bus (GPIB) adapter errors
37xx System board SCSI controller errors
38xx Data acquisition adapter errors
39xx Professional graphics adapter (PGA) errors
44xx 5278 display attachment unit and 5279 display errors
45xx IEEE interface adapter (IEEE 488) errors
46xx A real-time interface coprocessor (ARTIC) multiport/2 adapter errors
48xx Internal modem errors
49xx Alternate internal modem errors
50xx PC-convertible LCD errors
51xx PC-convertible portable printer errors
56xx Financial communication system errors
70xx PhoenixBIOS/chipset unique error codes
71xx Voice communications adapter (VCA) errors
73xx 3 1/2-inch external disk drive errors
74xx IBM PS/2 display adapter (VGA Card) errors
74xx 8514/A display adapter errors
76xx 4216 PagePrinter adapter errors
84xx PS/2 speech adapter errors
85xx 2MB XMA memory adapter or XMA adapter/A errors
86xx PS/2 pointing device (mouse) errors
89xx Musical Instrument Digital Interface (MIDI) adapter errors
91xx IBM 3363 write-once read multiple (WORM) optical drive/adapter errors
96xx SCSI adapter with cache (32-bit) errors
100xx Multiprotocol adapter/A errors
101xx 300/1200bps internal modem/A errors
104xx ESDI or MCA IDE fixed disk or adapter errors
107xx 5 1/4-inch external disk drive or adapter errors
112xx SCSI adapter (16-bit without cache) errors
113xx System board SCSI adapter (16-bit) errors
129xx Processor complex (CPU board) errors
149xx P70/P75 plasma display and adapter errors
152xx XGA display adapter/A errors
164xx 120MB internal tape drive errors
165xx 6157 streaming tape drive or tape attachment adapter errors
166xx Primary Token-Ring network adapter errors
167xx Alternate Token-Ring network adapter errors
180xx PS/2 wizard adapter errors
185xx DBCS Japanese display adapter/A errors
194xx 80286 memory-expansion option memory-module errors
200xx Image adapter/A errors
208xx Unknown SCSI device errors
209xx SCSI removable disk errors
210xx SCSI fixed disk errors
211xx SCSI tape drive errors
212xx SCSI printer errors
213xx SCSI processor errors
214xx SCSI write-once read multiple (WORM) drive errors
215xx SCSI CD-ROM drive errors
216xx SCSI scanner errors
217xx SCSI magneto optical drive errors
218xx SCSI jukebox changer errors
219xx SCSI communications errors
243xxxx XGA-2 adapter/A errors
I998xxxx Dynamic configuration select (DCS) information codes
I99900xx Initial microcode load (IML) error
I99903xx No bootable device, initial program load (IPL) errors
I99904xx IML-to-system mismatch
I99906xx IML (boot) errors
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