Intel SCB2 Product Guide - Page 95

Table 11. Post Codes (continued) Post Code Diagnostic LED Decoder G=Green, R=Red, A=Amber MSB LSB Description 9Bh A Off G A Float Processor Initialize: Performing any required initialization before the coprocessor test next. 9Eh A G G R Enable Interrupts 0,1,2: Checking the extended keyboard, keyboard ID, and NUM Lock key next. Issuing the keyboard ID command next A2h R Off A Off Report second set of POST errors To Error messager 86h R G G Off Prepare And Run Setup: Error manager displays and logs POST errors. Waits for user input for certain errors. Execute setup. 8Bh A Off G G Set Base Expansion Memory Size 8Ch A G Off Off Adjust Setup: Programming the Setup options next. A5h R G R G Set Display Mode A7h R G A G OEM Patch 12 A7h R G A G Build SMBIOS table and MP tables. A7h R G A G Program hotkey and timeout settings in keyboard controller. A7h R G A G Processor initialization before boot. A7h R G A G Copy required language strings to shadow RAM. AAh A Off A Off Clear video screen. 000h Off Off Off Off One Beep to indicate end of POST. No beep if silent boot is enabled. 000h Off Off Off Off POST completed. Passing control to INT 19h boot loader next. Technical Reference 95