2 Troubleshooting Procedures
Satellite U300 and Satellite Pro U300 Maintenance Manual (960-Q08)
17
13h
Initialize PCI Bus Mastering devices
Code Beeps POST Routine Description
14h
Initialize keyboard controller
16h 1-2-2-3
BIOS ROM checksum
17h
Initialize cache before memory autosize
18h
8254 timer initialization
1Ah
8237
DMA
controller
initialization
1Ch
Reset Programmable Interrupt Controller
20h 1-3-1-1
Test DRAM refresh
22h 1-3-1-3
Test 8742 Keyboard Controller
24h
Set ES segment register to 4 GB
26h
Enable A20 line
28h
Autosize
DRAM
29h
Initialize POST Memory Manager
2Ah
Clear 512 KB base RAM
2Ch 1-3-4-1 RAM failure on address line
xxxx
*
2Eh 1-3-4-3 RAM failure on data bits
xxxx
* of low byte of memory bus
2Fh
Enable cache before system BIOS shadow
30h 1-4-1-1
RAM failure on data bits
xxxx
* of high byte of memory bus
32h
Test CPU bus-clock frequency
33h
Initialize Phoenix Dispatch Manager
36h
Warm start shut down
38h
Shadow system BIOS ROM
3Ah
Autosize
cache
3Ch
Advanced configuration of chipset registers
3Dh
Load alternate registers with CMOS values
42h
Initialize interrupt vectors
45h
POST device initialization
46h 2-1-2-3
Check ROM copyright notice
48h
Check video configuration against CMOS
49h
Initialize PCI bus and devices
4Ah
Initialize
all
video adapters in system
4Bh
QuietBoot start (optional)
4Ch
Shadow video BIOS ROM
4Eh
Display BIOS copyright notice
50h
Display CPU type and speed
51h
Initialize EISA board
52h
Test
keyboard
54h
Set key click if enabled
58h 2-2-3-1
Test for unexpected interrupts
59h
Initialize POST display service
5Ah
Display prompt "Press F2 to enter SETUP"
5Bh
Disable CPU cache
5Ch
Test RAM between 512 and 640 KB
60h
Test
extended
memory
62h
Test extended memory address lines
Summary of Contents for Satellite Pro U300
Page 13: ...Satellite U300 and Satellite Pro U300 Maintenance Manual 960 Q08 13 ...
Page 14: ...Chapter 1 Hardware Overview ...
Page 48: ...2 1 CONFIDENTIAL Chapter 2 Troubleshooting Procedures ...
Page 49: ...2 2 CONFIDENTIAL Satellite U300 and Satellite Pro U300 Maintenance Manual 960 Q08 2 ...
Page 118: ...Test Program for Field Satellite U300 and Satellite Pro U300 Tests and Diagnostics Manual 17 ...
Page 172: ...Replacement Procedures 4 iiSatellite U300 and Satellite Pro U300 Maintenance Manual 960 Q08 ...
Page 228: ...Satellite U300 and Satellite Pro U300 Maintenance Manual 960 Q08 App i Appendices ...
Page 229: ...App ii Satellite U300 and Satellite Pro U300 Maintenance Manual 960 Q08 ...
Page 239: ...Handling the LCD Module A 6 Satellite U300 and Satellite Pro U300 Maintenance Manual 960 Q08 ...
Page 285: ...Display codes D 2 Satellite U300 and Satellite Pro U300 Maintenance Manual 960 Q08 ...
Page 307: ...Wiring Diagrams F 2 Satellite U300 and Satellite Pro U300 Maintenance Manual 960 Q08 ...
Page 311: ...Reliability I 2 Satellite U300 and Satellite Pro U300 Maintenance Manual 960 Q08 ...
Page 313: ...Reliability I 2 Satellite U300 and Satellite Pro U300 Maintenance Manual 960 Q08 ...