Asus COMMANDO Technical Update
ASUS Blitz Series technical updates 1 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) IE3152 Code Description CPU INIT CPU Initiation DET CPU T est CMOS R/W functionality . CHIPINIT Early chipset initialization: -Disable shadow RAM -Disable L2 cache -Program basic chipset registers DET DRAM Detect memory -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 1. Blank out screen 2. Clear CMOS error îag INIT8042 1. Clear 8042 interface 2. Initialize 8042 self-test ENABLEKB 1. T est special keyboard controller for Super I/O chips. 2. Enable keyboard interface. DIS MS 1. Disable PS/2 mouse interface (optional). 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 T est F000h segment shadow to see whether it is R/W-able or not. If test fails, keep beeping the speaker . DET FLASH Auto detect îash type to load appropriate îash R/W codes into the run time area in F000 for ESCD & DMI support. TESTCMOS Use walking 1âs 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 buf fer CPUSPEED 1. Program CPU internal MTRR (Pentium class CPU) for 0-640K memory address. 2. Initialize the APIC for Pentium class CPU. 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 TESTVRAM 1. Initialize multi-language 2. Put information on screen display , including BIOS logo, CPU type, CPU speed . RESET KB Reset keyboard.
2 ASUS Blitz Series technical updates 8254TEST T est 8254 8259MSK1 T est 8259 interrupt mask bits for channel 1. 8259MSK2 T est 8259 interrupt mask bits for channel 2. 8259TEST T est 8259 functionality . COUNTMEM Calculate total memory by testing the last double word of each 64K page. MP INIT 1. Program MTRR of M1 CPU 2. Initialize L2 cache for P6 class CPU & program CPU with proper cacheable range. 3. Initialize the APIC for P6 class CPU. 4. On MP platform, adjust the cacheable range to smaller one in case the cacheable ranges between each CPU are not identical. USB INIT Initialize USB TEST MEM T est all memory (clear all extended memory to 0) SHOW MP Display number of processors (multi-processor platform) PNP LOGO Display PnP logo ONBD IO Initialize Onboard IO devices. EN SETUP Okay to enter Setup utility . MSINST AL Initialize PS/2 Mouse CHK ACPI Prepare memory size information for function call: INT 15h ax=E820h EN CACHE Turn on L2 cache SET CHIP Program chipset registers according to items described in Setup & Auto- conîguration table. AUTO CFG Assign resources to devices. INIT FDC 1. Initialize îoppy controller 2. Set up îoppy related îelds in 40:hardware. DET IDE Detect & install all IDE devices: HDD, LS120, ZIP , CDROM. COM/LPT Detect serial ports & parallel ports. DET FPU Detect & install co-processor CPU CHG New CPU installed EZ FLASH Execute EZ Flash CPR F AIL CPR error F AN F AIL Fan error UCODEERR UCODE error FLOPYERR Floppy error KB ERROR Keyboard error HD ERR HDD error CMOS ERR CMOS error MS ERROR Mouse error SMARTERR HDD smart function error HM ERROR Hard monitor error AINETERR AI NET error CASEOPEN Case open INIT ROM Initialize option ROMs P ASSWORD Clear EP A or customization logo. 1. Call chipset power management hook. 2. Recover the text fond used by EP A logo (not for full screen logo) 3. If password is set, ask for password.
ASUS Blitz Series technical updates 3 USB FINAL Initialize PnP boot devices 1. USB înal Initialization 2. NET PC: Build SYSID structure 3. Switch screen back to text mode 4. Set up ACPI table at top of memory . 5. Invoke ISA adapter ROMs 6. Assign IRQs to PCI devices 7. Initialize APM 8. Clear noise of IRQs. INIT ROM Initialize device option ROMs. NUM LOCK 1. Program daylight saving 2. Update keyboard LED & typematic rate UPDT DMI 1. Build MP table 2. Build & update ESCD 3. Set CMOS century to 20h or 19h 4. Load CMOS time into DOS timer tick 5. Build MSIRQ routing table. INT 19H Boot attempt (INT 19h) 15G063885000
2 ASUS Blitz Series technical updates 8254TEST T est 8254 8259MSK1 T est 8259 interrupt mask bits for channel 1. 8259MSK2 T est 8259 interrupt mask bits for channel 2. 8259TEST T est 8259 functionality . COUNTMEM Calculate total memory by testing the last double word of each 64K page. MP INIT 1. Program MTRR of M1 CPU 2. Initialize L2 cache for P6 class CPU & program CPU with proper cacheable range. 3. Initialize the APIC for P6 class CPU. 4. On MP platform, adjust the cacheable range to smaller one in case the cacheable ranges between each CPU are not identical. USB INIT Initialize USB TEST MEM T est all memory (clear all extended memory to 0) SHOW MP Display number of processors (multi-processor platform) PNP LOGO Display PnP logo ONBD IO Initialize Onboard IO devices. EN SETUP Okay to enter Setup utility . MSINST AL Initialize PS/2 Mouse CHK ACPI Prepare memory size information for function call: INT 15h ax=E820h EN CACHE Turn on L2 cache SET CHIP Program chipset registers according to items described in Setup & Auto- conîguration table. AUTO CFG Assign resources to devices. INIT FDC 1. Initialize îoppy controller 2. Set up îoppy related îelds in 40:hardware. DET IDE Detect & install all IDE devices: HDD, LS120, ZIP , CDROM. COM/LPT Detect serial ports & parallel ports. DET FPU Detect & install co-processor CPU CHG New CPU installed EZ FLASH Execute EZ Flash CPR F AIL CPR error F AN F AIL Fan error UCODEERR UCODE error FLOPYERR Floppy error KB ERROR Keyboard error HD ERR HDD error CMOS ERR CMOS error MS ERROR Mouse error SMARTERR HDD smart function error HM ERROR Hard monitor error AINETERR AI NET error CASEOPEN Case open INIT ROM Initialize option ROMs P ASSWORD Clear EP A or customization logo. 1. Call chipset power management hook. 2. Recover the text fond used by EP A logo (not for full screen logo) 3. If password is set, ask for password.
ASUS Blitz Series technical updates 3 USB FINAL Initialize PnP boot devices 1. USB înal Initialization 2. NET PC: Build SYSID structure 3. Switch screen back to text mode 4. Set up ACPI table at top of memory . 5. Invoke ISA adapter ROMs 6. Assign IRQs to PCI devices 7. Initialize APM 8. Clear noise of IRQs. INIT ROM Initialize device option ROMs. NUM LOCK 1. Program daylight saving 2. Update keyboard LED & typematic rate UPDT DMI 1. Build MP table 2. Build & update ESCD 3. Set CMOS century to 20h or 19h 4. Load CMOS time into DOS timer tick 5. Build MSIRQ routing table. INT 19H Boot attempt (INT 19h) 15G063885000