Service Manual Information
Table 1: 039-0185-xx μATX POST codes, (cont.)
Item no . Module
Displayed POST
code Description
5
Special Display
Handling
C4 OEM Specific-Display/Video Sw itch
Handling so that the Switch Handling display switch errors
never occur
6
Early Shadow C5 OEM specific-Early shadow enable for fast boot
7
Cache presence test C6
External cache size detection
8
CMOS Check CF CMOS checkup
9
Spurious
B0
If interrupt occurs in protected mode.
10 Unclaimed NMI B1
If unmasked NMI occurs, display
Press F1 to disable N MI, F2 reboot.
11
Program Chip Set
BF
To program chipset from defau lts values
Setup Pages
E1–EF E1- Page 1, E2 - Page 2, and so on
Force load Default to
chipset
1
Chipset defaults program
Reserved 2
Early Super IO Init
3
Early Initialize of the super IO
Reserved 4
Blank video
5
Reset the Video controller
Reserved 6
Init KBC
7
Keyboard controller init
KB test 8 Test the keyboard
Reserved 9
Mouse Init A Initialize the mouse
Onboard Audio init
B
Initialize the onboard audio controller if it exits
Reserved
C
Reserved D
CheckSum Check
E
Check the integrity of the ROM, BIOS, and message
Reserved F
Auto detect EEPROM
10
Check the Flash type and copy flash
write/erase routines to 0F000h segments
Reserved 11
CMOS Check
12
Check CMOS circuitry and reset CMOS
Reserved 13
Chipset D efault load
14
Program the chipset registers with C MO S values
Reserved 15
Clock Init
16 Init onboard clock generator
Reserved 17
12
Identify the CPU
18
Check the CPU ID and init L1/L2 cache
18 TDS5000B Read This First
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