
QUADTEL AT BIOS 3.00


POSTcode       TEST-DESCRIPTION

  02           CPU flag register test.
  
  04           CPU register test.

  06           System hardware initialization.
  
  08           Initialize chipset registers.
     
  0A           Check BIOS ROM checksum
                
  0C           DMA page register test.
            
  0E           8254 timer (PIT) test.
              
  10           8254 timer initialization.
        
  12           8237 DMA controller test.
        
  14           8237 DMA initialization.
           
  16           Initialize interrupt controller 8259 and reset coprocessor.
     
  18           8259 interrupt controller test.
         
  1A           Memory refresh test.
             
  1C           Base 64k memory address lines test.
            
  1E           Base 64k memory test.
             
  20           Base 64k memory test (upper 16 bits).
    
  22           8742 keyboard controller self test.
         
  24           CMOS RAM Test (RTC MC146818).
               
  26           Start first protected mode test.
       
  28           Memory sizing Test, determine RAM size.
                
  2A           Autosize memory and memory test.
            
  2C           Test of chip interleave.
                   
  2E           First protected mode test exit.
   
  30           Unexpected Shutdown.
               
  32           Display system board memory Size.
          
  34           Relocate Shadow RAM (if configured)
     
  36           Configure EMS System.
          
  38           Configure Wait States (if necessary).
             
  3A           Retest and clear 64k Base RAM.
              
  3C           CPU speed calulation.
              
  3E           Get switch setting (jumpers) from 8042.
          
  40           Configure CPU Speed.
             
  42           Initialize interrupt vectors.
    
  44           Verify video configuration.
        
  46           Initialize video system.
          
  48           Test unexpected interrupts.
       
  4A           Start 2nd protected mode test.
    
  4B           Verify LTD instruction.
            
  4D           Verify TR instruction.
            
  50           Verify LSL instruction.
           
  52           Verify LAR instruction.
         
  54           Verify VERR instruction.
        
  56           Unexpected exception.
            
  58           Address line A20 test.
              
  5A           Keyboard ready test.
              
  5C           Determine AT or XT keyboard
      
  5E           Start 3rd protected mode test
     
  60           Base memory test.
                  
  62           Base Memory address lines test.
       
  64           Shadow RAM test.
           
  66           Extended memory test.
       
  68           Extended memory address lines test.
            
  6A           Determine memory size.
            
  6C           Display error message (if occured).
          
  6E           Copy BIOS to shadow RAM.
        
  70           8254 timer clock Test.
                 
  72           MC146818 real-time clock (RTC) test.
    
  74           Keyboard stuck key test.
          
  76           Initialize interupt vectors.
              
  78           Math coprocessor (NPU) test.
            
  7A           Determine COM ports available.
     
  7C           Determine LPT ports available.
    
  7E           Initialize BIOS data area.
         
  80           Determine FDD/HDD Controller.
    
  82           Floppy disk test.
        
  84           Fixed disk test.
  
  86           External ROM scan.
  
  88           System keylock test.
  
  8A           Display "F1 key" message and wait for F1 key pressed.
  
  8C           Final system initialization (chipset, cache memory).
         
  8E           Give control to INT 19h bootloader.
  
  B0           Unexpected interupt occured.
  