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Chapter 4
99
82h
Detect and install external RS232 ports
83h
Configure non-MCD IDE controllers
84h
Detect and install external parallel ports
85h
Initialize PC-compatible PnP ISA devices
86h
Re-initialize onboard I/O ports
87h
Configure Motherboard Configurable
Devices (optional)
88h
Initialize BIOS Area
89h
Enable Non-Maskable Interrupts (NMIs)
8Ah
Initialize Extended BIOS Data Area
8Bh
Test and initialize PS/2 mouse
8Ch
Initialize floppy controller
8Fh
Determine number of ATA drives
(optional)
90h
Initialize hard-disk controllers
91h
Initialize local-bus hard-disk controllers
92h
Jump to UserPatch2
93h
Build MPTABLE for multi-processor
boards
95h
Install CD ROM for boot
96h
Clear huge ES segment register
97h
Fixup Multi Processor table
98h
1-2
Search for option ROMs. One long, two
short beeps on checksum failure.
99h
Check for SMART drive (optional)
9Ah
Shadow option ROMs
9Ch
Set up Power Management
9Dh
Initialize security engine (optional)
9Eh
Enable hardware interrupts
9Fh
Determine number of ATA and SCSI
drives
A0h
Set time of day
A2h
Check key lock
A4h
Initialize Typematic rate
A8h
Erase F2 prompt
AAh
Scan for F2 key stroke
ACh
Enter SETUP
AEh
Clear Boot flag
B0h
Check for errors
B2h
POST done- prepare to boot operating
system
B4h
1
One short beep before boot
B5h
Terminate QuietBoot (optional)
B6h
Check password (optional)
Code
Beeps
POST Routine Description
Summary of Contents for Aspire 7740 Series
Page 6: ...VI ...
Page 12: ...4 Chapter 1 System Block Diagram ...
Page 30: ...22 Chapter 1 ...
Page 42: ...34 Chapter 2 ...
Page 53: ...Chapter 3 47 4 Remove the DIMM module s ...
Page 60: ...54 Chapter 3 3 Release the keyboard from the latches and turn it over on the palmrest area ...
Page 75: ...Chapter 3 69 15 Remove the USB board module from the lower case ...
Page 89: ...Chapter 3 83 10 Remove the LCD panel with brackets from the back cover ...
Page 118: ...112 Chapter 5 ...
Page 120: ...114 Chapter 6 Exploded Diagram ...
Page 130: ...124 Chapter 6 ...
Page 131: ...Appendix A 125 Model Definition and Configuration Appendix A ...
Page 156: ...150 Appendix B ...
Page 158: ...152 Appendix C ...