Chapter 4
84
Code
Beeps
E0h
Initialize the chipset
E1h
Initialize the bridge
E2h
Initialize the CPU
E3h
Initialize the system timer
E4h
Initialize system I/O
E5h
Check force recovery boot
E6h
Checksum BIOS ROM
E7h
Go to BIOS
E8h
Set Huge Segment
E9h
Initialize Multi Processor
EAh
Initialize OEM special code
EBh
Initialize PIC and DMA
ECh
Initialize Memory type
EDh
Initialize Memory size
EEh
Shadow Boot Block
EFh
System memory test
F0h
Initialize interrupt vectors
F1h
Initialize Run Time Clock
F2h
Initialize video
F3h
Initialize System Management Mode
F4h
1
Output one beep before boot
F5h
Boot to Mini DOS
F6h
Clear Huge Segment
F7h
Boot to Full DOS
Summary of Contents for TravelMate 4070
Page 8: ...Chapter 1 3 System Block Diagram...
Page 9: ...4 TravelMate 4070 4080 Board Layout Top View...
Page 56: ...51 Chapter 2...
Page 61: ...Chapter 3 56 Removing the Battery 1 Unlatch the battery latch then remove the battery...
Page 69: ...Chapter 3 64...
Page 76: ...71 Chapter 3...
Page 95: ...Chapter 5 90 Top View Jumper and Connector Locations Chapter 5...
Page 98: ...93 Chapter 5...
Page 113: ...Chapter 6 108...