IE352
ASUS Blitz Series Technical Updates
This is an information update for the user guide that comes with your motherboard
package.
A.4
Debug code table (page A-4~A-6)
Code
Description
CPU INIT
CPU Initiation
DET CPU
Test CMOS R/W functionality.
Early chipset initialization:
CHIPINIT
-Disable shadow RAM
-Disable L2 cache
-Program basic chipset registers
Detect memory
DET DRAM
-Auto-detection of DRAM size, type and ECC.
-Auto-detection of L2 cache
DC FCODE
Expand compressed BIOS code to DRAM
EFSHADOW
Call chipset hook to copy BIOS back to E000 & F000 shadow RAM.
INIT IO
Initialize IO devices.
INIT HWM
Initialize Hardware Monitor.
CLR SCRN
. Blank out screen
2. Clear CMOS error flag
INIT8042
. Clear 8042 interface
2. Initialize 8042 self-test
ENABLEKB
. Test special keyboard controller for Super I/O chips.
2. Enable keyboard interface.
. Disable PS/2 mouse interface (optional).
DIS MS
2. Auto detect ports for keyboard & mouse followed by a port & interface
swap (optional).
3. Reset keyboard for Super I/O chips.
R/W FSEG
Test F000h segment shadow to see whether it is R/W-able or not. If test
fails, keep beeping the speaker.
DET FLASH
Auto detect flash type to load appropriate flash R/W codes into the run time
area in F000 for ESCD & DMI support.
TESTCMOS
Use walking ’s algorithm to check out interface in CMOS circuitry. Also set
real-time clock power status, and then check for override.
PRG CHIP
Program chipset default values into chipset.
INIT CLK
Initialize clock generator.
CHECKCPU
Detect CPU information including brand, type and CPU level (586 or 686).
INTRINIT
Initial interrupts vector table.
INITINT9
Initialize INT 09 buffer
. Program CPU internal MTRR (Pentium class CPU) for 0-640K memory
address.
2. Initialize the APIC for Pentium class CPU.
CPUSPEED
3. Program early chipset according to CMOS setup. Example: onboard IDE
controller.
4. Measure CPU speed.
5. Invoke video BIOS.
VGA BIOS
Initialize VGA BIOS
. Initialize multi-language
TESTVRAM
2. Put information on screen display, including BIOS logo, CPU type, CPU
speed .
RESET KB
Reset keyboard.
ASUS Blitz Series technical updates

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