Tektronix MSO70000 Series Service Manual page 83

Table 4-12: 039-0185-xx μATX POST codes (cont.)
Item no. Module
13
Reserved
Reserved
Reserved
Reserved
Boot Medium detection
Final Init
Special KBC patch
Boot Attempt
Boot
S4 POST Codes
14 Early Chipset Init
Cmos Check
Chipset default Prog
Identify the CPU
Setup Interrupt Vector
Table
Test CMOS Interface
and Battery status
KBC final Init
Initialize Video Interface
MSO70000/C, DSA70000B/C, DPO70000B/C, DPO7000, MSO5000, DPO5000 Series
Troubleshooting (DPO7000 Series, MSO70000/C Series, DSA/DPO70000B/C Series)
Displayed POST
code
79
7A
7B
7C
7D
7E
7F
80
FF
5A
5B
5C
5D
5E
5F
60
61
Description
Initialize any option ROMs present from C8000h to EFFFFh
NOTE.
When FSCAN option is enabled, ROMs initialize from
C8000h to F7FFFh.
Read and store boot partition head and cylinders values in
RAM
Final init for last micro details before boot
Set system speed for boot Setup NumLock status according to
Setup
Set low stack Boot via INT 19h
Early Initialized the super IO
Reset Video controller
Keyboard controller init
Test the Keyboard
Initialized the mouse
Check CMOS Circuitry and reset CMOS
Program the chipset registers with CMOS values. Init onboard
clock generator
Check the CPU ID and init L1/L2 cache
Initialize first 120 interrupt vectors with SPURIOUS_INT_HDLR
and INT 00h-1Fh according to INT_TBL
First step initialize if single CPU Onboard
Re-init KB
If support HPM, HPM get initialized here.
Verifies CMOS is working correctly
detects bad battery. If failed, load CMOS defaults and load
into chipset
Final Initial KBC and setup BIOS data area
Read CMOS location 14h to find out type of video in use
Detect and Initialize Video Adapter
4–39