Debug procedure 6, 1 level 1 debug (port 80/bios), Table 6. level 1 debug (port 80/bios) – Intel Xeon User Manual
Page 33: Debug procedure, Level 1 debug (port 80/bios)

Intel
®
Xeon™ Processor, Intel
®
E7520 Chipset, Intel
®
6300ESB ICH Development Kit User’s Manual
33
Debug Procedure
Debug Procedure
6
The debug procedures in this section are used to determine baseline functionality for the Intel
®
Xeon™ Processor with 800 MHz System Bus, Intel
®
E7520 Chipset, and Intel
®
6300ESB ICH
Development Kit. This is a cursory set of tests designed to provide a level of confidence in the
platform operation.
6.1
Level 1 Debug (Port 80/BIOS)
when debugging a board that does not boot.
Table 6.
Level 1 Debug (Port 80/BIOS)
Item
Test
Pass/Fail Criteria
Cause of Failure
1
Verify “SYSTEM PWRGD” LED
CR2H1: Green
Power Sequence Failure—go immediately to Level 2
debug
2
Is “PCI Reset” LED (decimal on
DS1J2) illuminated?
Decimal on Port 80 display
Red
PCI Reset Stuck—go to Level 3 debug
3
Verify CPURST LED is off
CR7K3: Off
CPU Reset Stuck—go to Level 3 debug
4
Verify Port 80 Posting
Port 80 LEDs are posting
boot codes and stopping
System Hang—Check BIOS go to level 3 debug. Refer
to AMI* BIOS documentation for details. Also refer to
Schematic Page 68, Coord. D5.
5
Check BIOS revision
Latest BIOS installed
Contact your Intel Representative for the latest BIOS
image.
6
Verify default Jumper settings
See default settings
Improper Jumper settings