Service Manual Information
Table 1: 039-0185-xx μATX POST codes, (cont.)
Item no . Module
Displayed POST
code Description
Reserved 71
Reserved 72
Initialize Hard Dr ive &
Controller
73 Initialize hard drive controller and any drives.
Reserved 74
Install HD D
75
IDE device detection and install
Reserved 76
Detect & Initialize
Serial/Parallel
77
Initialize any serial and parallel ports (also game port)
Reserved 78
Reserved 79
Detect & Initialize Math
Coprocessor
7A Initialize math coprocessor
Reserved 7B
HDD Check for Write
protection
7C
HDD check out
Reserved 7D
Reserved 7E
POST error check
7F
Check POST error and display them and ask for user
intervention
Reserved 80
Reserved 81
Security Check
82
Ask password security ( optional)
Write CMOS
83
Write all CMOS values back to RAM and clear screen
Pre-boot Enable 84 Enable parity checker
Enable NMI, enable cache before boot.
Initialize Option ROMs
85
Initialize any option ROMs present from C8000h to EFFFFh.
NOTE. When FSCAN option is enabled, ROMs initialize from
C8000h to F7FFFh.
Reserved 86
Reserved 87
Reserved 88
Reserved 89
Reserved 8A
Reserved 8B
12
Reserved
8C
22 TDS5000B Read This First
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