What do the POST beeps mean?, (Arti Bunyi Beep pada saat Booting.)
This section contains information on the following: IBM
AMI
Phoenix
DTK/ERSO XT BIOS
MR BIOS
Mylex 386 System BIOS
Quadtel AT Compatible BIOS
POST (Power-On Self Test) beeps signal something is wrong with your
system. The meaning of these beeps is BIOS dependent. Below are the
audio codes for IBM, AMI, and Phoenix BIOS's.
IBM
Beep(s) (kode bunyi) Errant device (peralatan yang bermasalah)
No beep Power supply, system board
1 short beep System OK (Normal)
2 short beeps POST Error displayed on monitor
Repeating short beeps Power supply, system board
3 long beeps 3270 keyboard card
1 long, 1 short beeps System board
1 long, 2 short beeps Display adapter (MDA, CGA)
1 long, 3 short beeps EGA
Continuous beep Power supply, system board
AMI
Beep(s) (kode bunyi) Failure (kesalahan pada)
1 short DRAM refresh
2 short Parity circuit
3 short Base 64K RAM
4 short System timer
5 short Processor
6 short Keyboard controller Gate A20 error
7 short Virtual mode exception error
8 short Display memory R/W test
9 short ROM BIOS checksum
1 long, 3 short Non-fatal--Conventional/extended memory
1 long, 8 short Non-fatal--Display/retrace test
PHOENIX
Beep Fatal Failures* Beep code Non-Fatal Failures* code
1-1-3 CMOS write/read (or real- 4-2-1 Timer tick interrupt test
time clock read/write) (or in progress)
1-1-4 ROM BIOS checksum 4-2-2 Shutdown test (or in progress)
1-2-1 Programmable interval timer 4-2-3 Gate A20 failure
1-2-2 DMA initialization 4-2-4 Unexpected interrupt in
protected mode
1-2-3 DMA page register write/read 4-3-1 RAM test in progress or
address failure > FFFFh
1-2-4 SRAM test and configuration 4-3-3 Interval timer Channel 2
(or test)
1-3-1 RAM refresh verification 4-3-4 Time-of-day clock (or test)
1-3-3 1st 64kb RAM chip or data 4-4-1 Serial port (or test)
line failure, multibit
1-3-4 First 64K RAM odd/even logic 4-4-2 Parallel port (or test)
1-4-1 Address line failure first 4-4-3 Math coprocessor (or test)
64K RAM
1-4-2 Parity failure first low 1-1-2 System-board select
64K RAM
2-1-1 Bit 0 first 64K RAM low 1-1-3 Extended CMOS RAM
2-1-2 Bit 1 first 64K RAM
2-1-3 Bit 2 first 64K RAM
2-1-4 Bit 3 first 64K RAM
2-2-1 Bit 4 first 64K RAM
2-2-2 Bit 5 first 64K RAM
2-2-3 Bit 6 first 64K RAM
2-2-4 Bit 7 first 64K RAM
2-3-1 Bit 8 first 64K RAM
2-3-2 Bit 9 first 64K RAM
2-3-3 Bit 10 first 64K RAM
2-3-4 Bit 11 first 64K RAM
2-4-1 Bit 12 first 64K RAM
2-4-2 Bit 13 first 64K RAM
2-4-3 Bit 14 first 64K RAM
2-4-4 Bit 15 first 64K RAM
3-1-1 Slave DMA register
3-1-2 Master DMA register
3-1-3 Master interrupt mask
register failure
3-1-4 Slave interrupt mask
register failure
3-2-4 Keyboard controller test
failure
3-3-4 Screen initialization
3-4-1 Screen retrace
3-4-2 Search for video ROM in
progress (not failure)
* Unless otherwise noted.
DTK/ERSO XT BIOS
1 short - Begin POST and End POST
1 long, 1 short - Floppy Disk Drive or Controller
Failure
Continuous short - Parity Error in First 64K RAM
Continuous tone - First 64K RAM failure
1 long - Keyboard Failed or Locked, Interrupt
or other system board error
long short, long short, long short - Video Initialization Failure, or
Invalid Video Switch Setting
MR BIOS
:POST Code 1A Beep Codes
low high, low high low high high - Real Time Clock is Not Updating
:POST Code 03 Beep Codes
low high, low low low - ROM BIOS Checksum Test
:POST Code 04 Beep Codes
low high, high low low - Page Register Test (Ports 81-8F)
:POST Code 05 Beep Codes
low high, low high low - 8042 Keyboard Controller Selftest
:POST Code 07 Beep Codes
low high, high high low - Memory Refresh Circuit Test
:POST Code 08 Beep Codes
low high, low low high - Master (16bit) DMA Controller
Failure
low high, high low high - Slave (8 bit) DMA Controller
Failure
:Post Code 0A Beep Codes
low high, low low low low - Memory Bank 0 Pattern Test Failure
low high, high low low low - Memory Bank 0 Parity Circuitry
Failure
low high, low high low low - Memory Bank 0 Parity Error
low high, high high low low - Memory Bank 0 Data Bus Failure
low high, low low high low - Memory Bank 0 Address Bus Failure
low high, high low high low - Memory Bank 0 Block Access Read
Failure
low high, low high high low - Memory Bank 0 Block Access
Read/Write Failure
:POST Code 0B Beep Codes
low high, high high high low - Master 8259 (Port 21 ) Failure
low high, low low low high - Slave 8259 (Port A1) Failure
:POST Code 0C Beep Codes
low high, high low low high - Master 8259 (Port 20) Interrupt
Address Error
low high, low high low high - Slave 8259 (Port A0) Interrupt
Address Error
low high, high high low low - 8259 (Port 20/A0) Interrupt
Address Error
low high, low low high high - Master 8259 (Port 20) Stuck
Intercept Error
low high, high low high high - Slave 8259 (Port A0) Stuck
Intercept Error
low high, low high high high - System Timer 8254 CH0/IRQ0
Interrupt Failure
:POST Code 0D Beep Codes
low high, high high high high - 8254 Channel 0 Test and
Initialization
:POST Code 0E Beep Codes
low high, low low low low high - 8254 Channel-2 (Speaker) Failure
low high, high low low low high - 8254 OUT2 (Speaker Detect) Failure
:POST Code 0F Beep Codes
low high, low high low low high - CMOS RAM Read/Write Test Failure
low high, high high low low high - RTC Periodic Interrupt / IRQ8
Failure
:POST Code 10 Beep Codes
low high, low low high low high - Video Initialization and
(Cold-Boot) Signon Message
:POST Code 12 Beep Codes
low high, high low high low high - Keyboard Controller Failure
:POST Code 17 Beep Codes
low high, low low low high high - A20 Test Failure Due to 8042
Timeout
low high, high low low high high - A20 Gate Stuck in Disabled State
:POST Code 19 Beep Codes
low high, low high high low high - Memory Parity Error
low high, high high high low high - IO Channel Error
Mylex 386 System BIOS
long - Begin POST Beep Code
2 long - Video Card Bad or No Video Card
long, short, long - Keyboard Controller Error
long, 2 short, long - Keyboard Error
long, 3 short, long - Programmable Interrupt Controller
(8259-1) Error
long, 4 short, long - Programmable Interrupt Controller
(8259-1) Error
long, 5 short, long - DMA Page Register Error
long, 6 short, long - RAM Refresh Error
long, 7 short, long - RAM Data Test Error
long, 8 short, long - RAM Parity Error
long, 9 short, long - DMA Controller 1 Error
long, 10 short, long - CMOS RAM Failure
long, 11 short, long - DMA Controller 2 Error
long, 12 short, long - CMOS RAM Battery Failure
long, 13 short, long - CMOS Checksum Failed
long, 14 short, long - BIOS ROM Checksum Failed
several long beeps - Multiple failures
Quadtel AT Compatible BIOS
3 short - Any Failure
Q) 7.2 What do the POST codes mean? (arti kode pada saat booting)
This section contains information on the following:
IBM
Award Modular BIOS
Mylex 386 System BIOS
Quadtel AT Compatible BIOS
MR BIOS
Checkpoint Codes for AMI BIOS (pre-4/9/90)
AMI BIOS
AMI Color BIOS (after 2/1/91)
EuroBIOS
All personal computer error codes for the Power On Self Test, General
Diagnostics, and Advanced Diagnostics consist of a device number followed by
two digits other than 00. (The device number plus 00 indicates successful
completion of the test.)
This list is a compilation from various sources, including USENET's
Info-IBMPC Digest, IBM Technical Reference Manuals, and IBM Hardware,
Maintenance and Service manuals.
01x Undetermined problem errors.
02x Power supply errors.
1xx System board errors.
101 System board error - Interrupt failure.
102 System board error - Timer failure.
103 System board error - Timer interrupt failure.
104 System board error - Protected mode failure.
105 System board error - Last 8042 command not accepted.
106 System board error - Converting logic test.
107 System board error - Hot NMI test.
108 System board error - Timer bus test.
109 Direct memory access test error.
121 Unexpected hardware interrupts occurred.
131 Cassette wrap test failed.
152
161 System Options Error-(Run SETUP) [Battery failure].
162 System options not set correctly-(Run SETUP).
163 Time and date not set-(Run SETUP).
164 Memory size error-(Run SETUP).
199 User-indicated configuration not correct.
2xx Memory (RAM) errors.
201 Memory test failed.
202 Memory address error.
203 Memory address error.
3xx Keyboard errors.
301 Keyboard did not respond to software reset correctly, or a stuck
key failure was detected. If a stuck key was detected, the
scan code for the key is displayed in hexadecimal. For
example, the error code 49 301 indicates that key 73, the
PgUp key, has failed (49 hex = 73 decimal).
302 User-indicated error from the keyboard test, or AT keylock
is locked.
303 Keyboard or system unit error.
304 Keyboard or system unit error; CMOS does not match system.
4xx Monochrome monitor errors.
401 Monochrome memory test, horizontal sync frequency test, or
video test failed.
408 User-indicated display attributes failure.
416 User-indicated character set failure.
424 User-indicated 80 X 25 mode failure.
432 Parallel port test failed (monochrome adapter).
5xx Color monitor errors.
501 Color memory test failed, horizontal sync frequency test, or
video test failed.
508 User-indicated display attribute failure.
516 User-indicated character set failure.
524 User-indicated 80 X 25 mode failure.
532 User-indicated 40 X 25 mode failure.
540 User-indicated 320 X 200 graphics mode failure.
548 User-indicated 640 X 200 graphics mode failure.
6xx Diskette drive errors.
601 Diskette power-on diagnostics test failed.
602 Diskette test failed; boot record is not valid.
606 Diskette verifysd function failed.
607 Write-protected diskette.
608 Bad command diskette status returned.
610 Diskette initialization failed.
611 Timeout - diskette status returned.
612 Bad NEC - diskette status returned.
613 Bad DMA - diskette status returned.
621 Bad seek - diskette status returned.
622 Bad CRC - diskette status returned.
623 Record not found - diskette status returned.
624 Bad address mark - diskette status returned.
625 Bad NEC seek - diskette status returned.
626 Diskette data compare error.
7xx 8087 or 80287 math coprocessor errors.
9xx Parallel printer adapter errors.
901 Parallel printer adapter test failed.
10xx Reserved for parallel printer adapter.
11xx Asynchronous communications adapter errors.
1101 Asynchronous communications adapter test failed.
12xx Alternate asynchronous communications adapter errors.
1201 Alternate asynchronous communications adapter test failed.
13xx Game control adapter errors.
1301 Game control adapter test failed.
1302 Joystick test failed.
14xx Printer errors.
1401 Printer test failed.
1404 Matrix printer failed.
15xx Synchronous data link control (SDLC) communications adapter errors.
1510 8255 port B failure.
1511 8255 port A failure.
1512 8255 port C failure.
1513 8253 timer 1 did not reach terminal count.
1514 8253 timer 1 stuck on.
1515 8253 timer 0 did not reach terminal count.
1516 8253 timer 0 stuck on.
1517 8253 timer 2 did not reach terminal count.
1518 8253 timer 2 stuck on.
1519 8273 port B error.
1520 8273 port A error.
1521 8273 command/read timeout.
1522 Interrupt level 4 failure.
1523 Ring Indicate stuck on.
1524 Receive clock stuck on.
1525 Transmit clock stuck on.
1526 Test indicate stuck on.
1527 Ring indicate not on.
1528 Receive clock not on.
1529 Transmit clock not on.
1530 Test indicate not on.
1531 Data set ready not on.
1532 Carrier detect not on.
1533 Clear to send not on.
1534 Data set ready stuck on.
1536 Clear to send stuck on.
1537 Level 3 interrupt failure.
1538 Receive interrupt results error.
1539 Wrap data miscompare.
1540 DMA channel 1 error.
1541 DMA channel 1 error.
1542 Error in 8273 error checking or status reporting.
1547 Stray interrupt level 4.
1548 Stray interrupt level 3.
1549 Interrupt presentation sequence timeout.
16xx Display emulation errors (327x, 5520, 525x).
17xx Fixed disk errors.
1701 Fixed disk POST error.
1702 Fixed disk adapter error.
1703 Fixed disk drive error.
1704 Fixed disk adapter or drive error.
1780 Fixed disk 0 failure.
1781 Fixed disk 1 failure.
1782 Fixed disk controller failure.
1790 Fixed disk 0 error.
1791 Fixed disk 1 error.
18xx I/O expansion unit errors.
1801 I/O expansion unit POST error.
1810 Enable/Disable failure.
1811 Extender card warp test failed (disabled).
1812 High order address lines failure (disabled).
1813 Wait state failure (disabled).
1814 Enable/Disable could not be set on.
1815 Wait state failure (disabled).
1816 Extender card warp test failed (enabled).
1817 High order address lines failure (enabled).
1818 Disable not functioning.
1819 Wait request switch not set correctly.
1820 Receiver card wrap test failure.
1821 Receiver high order address lines failure.
19xx 3270 PC attachment card errors.
20xx Binary synchronous communications (BSC) adapter errors.
2010 8255 port A failure.
2011 8255 port B failure.
2012 8255 port C failure.
2013 8253 timer 1 did not reach terminal count.
2014 8253 timer 1 stuck on.
2016 8253 timer 2 did not reach terminal count, or timer 2 stuck on.
2017 8251 Data set ready failed to come on.
2018 8251 Clear to send not sensed.
2019 8251 Data set ready stuck on.
2020 8251 Clear to send stuck on.
2021 8251 hardware reset failed.
2022 8251 software reset failed.
2023 8251 software "error reset" failed.
2024 8251 transmit ready did not come on.
2025 8251 receive ready did not come on.
2026 8251 could not force "overrun" error status.
2027 Interrupt failure - no timer interrupt.
2028 Interrupt failure - transmit, replace card or planar.
2029 Interrupt failure - transmit, replace card.
2030 Interrupt failure - receive, replace card or planar.
2031 Interrupt failure - receive, replace card.
2033 Ring indicate stuck on.
2034 Receive clock stuck on.
2035 Transmit clock stuck on.
2036 Test indicate stuck on.
2037 Ring indicate stuck on.
2038 Receive clock not on.
2039 Transmit clock not on.
2040 Test indicate not on.
2041 Data set ready not on.
2042 Carrier detect not on.
2043 Clear to send not on.
2044 Data set ready stuck on.
2045 Carrier detect stuck on.
2046 Clear to send stuck on.
2047 Unexpected transmit interrupt.
2048 Unexpected receive interrupt.
2049 Transmit data did not equal receive data.
2050 8251 detected overrun error.
2051 Lost data set ready during data wrap.
2052 Receive timeout during data wrap.
21xx Alternate binary synchronous communications adapter errors.
2110 8255 port A failure.
2111 8255 port B failure.
2112 8255 port C failure.
2113 8253 timer 1 did not reach terminal count.
2114 8253 timer 1 stuck on.
2115 8253 timer 2 did not reach terminal count, or timer 2 stuck on.
2116 8251 Data set ready failed to come on.
2117 8251 Clear to send not sensed.
2118 8251 Data set ready stuck on.
2119 8251 Clear to send stuck on.
2120 8251 hardware reset failed.
2121 8251 software reset failed.
2122 8251 software "error reset" failed.
2123 8251 transmit ready did not come on.
2124 8251 receive ready did not come on.
2125 8251 could not force "overrun" error status.
2126 Interrupt failure - no timer interrupt.
2128 Interrupt failure - transmit, replace card or planar.
2129 Interrupt failure - transmit, replace card.
2130 Interrupt failure - receive, replace card or planar.
2131 Interrupt failure - receive, replace card.
2133 Ring indicate stuck on.
2134 Receive clock stuck on.
2135 Transmit clock stuck on.
2136 Test indicate stuck on.
2137 Ring indicate stuck on.
2138 Receive clock not on.
2139 Transmit clock not on.
2140 Test indicate not on.
2141 Data set ready not on.
2142 Carrier detect not on.
2143 Clear to send not on.
2144 Data set ready stuck on.
2145 Carrier detect stuck on.
2146 Clear to send stuck on.
2147 Unexpected transmit interrupt.
2148 Unexpected receive interrupt.
2149 Transmit data did not equal receive data.
2150 8251 detected overrun error.
2151 Lost data set ready during data wrap.
2152 Receive timeout during data wrap.
22xx Cluster adapter errors.
24xx Enhanced graphics adapter errors.
29xx Color matrix printer errors.
33xx Compact printer errors
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