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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)

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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)

Refer to the steps in

Table 6

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

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