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Download Intel SE7520JR2 User's Manual
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Intel® Server Board SE7520JR2 Checkpoint C6 Error Reporting and Handling Diagnostic LED Decoder G=Green, R=Red, A=Amber MSB LSB R A G OFF Description Re-enable cache for boot strap processor C7 R A G G 0A G OFF G OFF 0B G OFF G G 0C G G OFF OFF Detects the presence of Keyboard in KBC port. OFF Testing and initialization of different Input Devices. Also, update the Kernel Variables. Traps the INT09h vector, so that the POST INT09h handler gets control for IRQ1. Uncompress all available language, BIOS logo, and Silent logo modules. 0E Early CPU Init Exit Initializes the 8042 compatible Key Board Controller. Detects the presence of PS/2 mouse. G G G 13 OFF OFF G A 24 OFF G R OFF 30 OFF OFF R R 2A G OFF A OFF Initializes different devices through DIM. See DIM Code Checkpoints section of document for more information. 2C G G R OFF Initializes different devices. Detects and initializes the video adapter installed in the system that have optional ROMs. 2E G G A OFF Initializes all the output devices. 31 OFF OFF R A Allocate memory for ADM module and uncompress it. Give control to ADM module for initialization. Initialize language and font modules for ADM. Activate ADM module. 33 OFF OFF A A Initializes the silent boot module. Set the window for displaying text information. 37 OFF G A A Displaying sign-on message, CPU information, setup key message, and any OEM specific information. 38 G OFF R R Initializes different devices through DIM. See DIM Code Checkpoints section of document for more information. 39 G OFF R A Initializes DMAC-1 and DMAC-2. 3A G OFF A R Initialize RTC date/time. 3B G OFF R A Test for total memory installed in the system. Also, Check for DEL or ESC keys to limit memory test. Display total memory in the system. 3C G G R R Early POST initialization of chipset registers. Uncompress and initialize any platform specific BIOS modules. Initialize System Management Interrupt. Mid POST initialization of chipset registers. Detect different devices (Parallel ports, serial ports, and coprocessor in CPU, … etc.) successfully installed in the system and update the BDA, EBDA…etc. 40 OFF R OFF OFF 50 OFF R OFF R Programming the memory hole or any kind of implementation that needs an adjustment in system RAM size if needed. 52 OFF R G R Updates CMOS memory size from memory found in memory test. Allocates memory for Extended BIOS Data Area from base memory. 60 OFF R R OFF Initializes NUM-LOCK status and programs the KBD typematic rate. 75 OFF A R A Initialize Int-13 and prepare for IPL detection. 78 G R R R Initializes IPL devices controlled by BIOS and option ROMs. 7A G R A R Initializes remaining option ROMs. 7C G A R R Generate and write contents of ESCD in NVRam. 84 R G OFF OFF 85 R G OFF G Display errors to the user and gets the user response for error. 87 R G G G Execute BIOS setup if needed / requested. Log errors encountered during POST. Revision 1.0 169 C78844-002
