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2 Troubleshooting Procedures 2.4 System Board Troubleshooting
0152h
Table 2-4 Debugging port boot mode status (4/7)
Debug Port Description
0154h
0155h
0157h
0158h Test for unexpected interrupts.
0159h Initialize the POST display service.
015Ah Display prompt "Press F2 for SETUP"
015Bh Disable L1 cache during POST
015Ch Test RAM between 512K and 640K.
0160h Determine the amount of extended memory available.
0162h
0164h
0166h
0167h
0168h
0169h Initialize the handler for SMM.
016Ah
016Ch Display shadow message.
0170h Display error messages on the screen.
0172h Check status bits to see if configuration problems were detected. If so, Display
error messages on the screen.
0176h
017Ch Initialize the hardware interrupt vectors from 08 to 0F and from 70h to 77H. Also
set the interrupt vectors from 60h to 66H to zero.
017Dh
017Eh The Coprocessor initialization test.
0180h
0181h Run late device initialization routines.
0182h
0183h Configure Fisk Disk Controller.
0184h
2-24 Satellite M30-35 Maintenance Manual (960-455)