| Appendix A | 
Award  | (30)Get base memory & extended memory size. Size base And extended memory  | 
  | from 256K to 640K and extended memory above 1MB.  | 
Compaq  | (30)Clear 1st 128K bytes of RAM.  | 
Dell  | (30)[beep]=none screen believed running w/video ROM.  | 
Phoenix  | (30)see Error Code "2C".Unexpected shutdown.[Beep]=no- ne screen believed operable.  | 
  | [Beep]=none screen believed running w/video ROM.  | 
  | Error Code - 31 | 
AMI  | (31)Display memory R/W test or retrace checking failed. About to do alternate  | 
  | Display memory R/W test. Virtual mode memory test started.  | 
AST | (31)Interrupt controller#2.  | 
Award  | (31)Test base and extended memory; Test base memory from 256K to 640K and extended  | 
  | memory above 1MB using various patterns. Detect & initialize optional  | 
  | ROMs.  | 
Compaq  | (31)Load interrupt vectors   | 
Phoenix&Dell (31)[Beep]=none monochromatic screen believed operable.  | |
  | Error Code - 32 | 
AMI  | (32)Alternate display memory R/W test passed. About to look for the alternate  | 
  | display retrace checking. Processor executing in virtual mode.  | 
AST | (32)Interrupt controllers for stuck interrupt.  | 
Award  | (32)Display the Award Plug & Play BIOS extension message(PnP BIOS only).Test  | 
  | EISA extended memory; If EISA mode flag is set then test EISA memory found in  | 
  | slots initialization, This test is skipped in ISA mode and can be skipped with ESC  | 
  | key in EISA mode.  | 
Compaq  | (32)Load interrupt vectors   | 
Dell  | (32)[Beep]=none   | 
Phoenix  | (32)Test CPU   | 
  | [Beep]=none   | 
  | Error Code - 33 | 
  | (33)Video display checking over. Verification of display type with switch setting  | 
AMI  | and actual card to begin. Verification of display type with switch setting and Actual  | 
  | Card to begin. Memory address line test in progress.  | 
AST | |
(33)Call Tech Support   | |
Award  | (33)Initialize Memory SIZE and RESETWD.  | 
Compaq
Phoenix&Dell (33)[Beep]=none 
  | Manager.  | 
  | Error Code - 34 | 
ACER | (34)Set up BIOS interrupt vector.  | 
AMI  | (34)Verification of display adapter done. Display mode to be set next. Memory  | 
  | address line test in progress.  | 
Compaq  | (34)Verify CMOS checksum.  | 
Phoenix&Dell   | |
  | option.  | 
  | Error Code - 35 | 
AMI  | (35)Display mode set complete. BIOS ROM data area about to be checked.  | 
  | Memory below 1MB calculated.  | 
Compaq  | (35)CMOS checksum not valid.  | 
Phoenix&Dell   | |
  | Error Code - 36 | 
AMI  | (36)BIOS ROM data area check over. Going to set cursor for power on message. Memory  | 
  | above 1MB calculated.  | 
Compaq  | (36)Check battery power.  | 
Phoenix&Dell   | |
  | option.  | 
  | Error Code - 37 | 
AMI  | (37)Cursor setting for power on message id complete. Going to display the power  | 
  | on message. Memory test about to start.  | 
Compaq  | (37)Check for game adapters.  | 
Phoenix&Dell   | |
  | motherboard chipset.  | 
ACER | Error Code - 38 | 
(38)CMOS RAM. | |
AMI  | (38)Power on message display complete. Going to read new cursor position.  | 
  | Memory below 1MB initialized.  | 
Compaq  | (38)Check for serial ports.  | 
Phoenix&Dell   | |
Phoenix  | (38)Shadow system BIOS   | 
  | Error Code - 39 | 
  | 12  |