4-30
Troubleshooting
0xCA
Redirect Int 15h to enable target board to use remote
keyboard (PICO BIOS).
LBT
Core
0x88
Initialize interrupt controller.
LBT
Core
0x81
Run late device initialization routines.
LBT
Core
0x87
Initialize motherboard configurable devices.
LBT
Core
0x85
Display any ESCD read errors and configure all PnP ISA
devices.
LBT
Core
0x82
Test and identify RS232 ports.
LBT
Core
0x84
Test and identify parallel ports.
LBT
Core
0x86
Initialize onboard I/O and BDA according to CMOS and
presence of external devices.
LBT
Core
0x83
Configure Fisk Disk Controller.
LBT
Core
0xCE
Initialize digitizer device and display installed message if
successful.
LBT
Core
0x89
Enable non-maskable interrupts.
LBT
Core
0x8C
Initialize both of the floppy disks and display an error
message if failure was detected. Check both drives to
establish the appropriate diskette types in the TrustedCore
data area
LBT
Core
0xCB
Redirect Int 13h to Memory Technologies Devices such as
ROM, RAM, PCMCIA, and serial disk (PICO BIOS).
LBT
Core
0xCD
Remap I/O and memory address space for PCMCIA
(PICO BIOS).
LBT
Core
0x90
Initialize hard-disk controller. If the CMOS ram is valid and
intact, and fixed disks are defined, call the fixed disk init
routine to initialize the fixed disk system and take over the
appropriate interrupt vectors.
LBT
Core
0x8B
Setup interrupt vector and present bit in Equipment byte.
LBT
Core
0x95
1. Check CMOS for CD-ROM drive present
2. Activate the drive by checking for media present
3. Check sector 11h (17) for Boot Record Volume
Descriptor
4. Check the boot catalog for validity
5. Pick a boot entry
6. Create a Specification Packet
LBT
Core
0x92
Jump to UserPatch2.
LBT
Core
0xB6
If password on boot is enabled, a call is made to Setup to
check password. If the user does not enter a valid
password, Setup does not return.
LBT
Core
Table 4-4.
POST Codes
POST Code
Function
Phase
Component
Содержание Aspire 4743
Страница 1: ... Aspire 4743 4743G 4743Z 4743ZG SERVICEGUIDE ...
Страница 10: ...10 ...
Страница 11: ...CHAPTER 1 Hardware Specifications ...
Страница 14: ...1 4 ...
Страница 32: ...1 22 Hardware Specifications and Configurations System Block Diagram Figure 1 10 System Block Diagram ...
Страница 50: ...1 40 Hardware Specifications and Configurations ...
Страница 51: ...CHAPTER 2 System Utilities ...
Страница 70: ...2 20 System Utilities ...
Страница 71: ...CHAPTER 3 Machine Maintenance ...
Страница 74: ...3 4 ...
Страница 82: ...3 12 Machine Maintenance 4 Lift the base door to remove Figure 3 9 Base Door ...
Страница 85: ...Machine Maintenance 3 15 6 Detach the bracket from the HDD Figure 3 14 HDD Bracket ...
Страница 87: ...Machine Maintenance 3 17 4 Pull the WLAN module out of the slot Figure 3 17 WLAN Module ...
Страница 95: ...Machine Maintenance 3 25 8 Open the connector latch then detach cable to remove keyboard Figure 3 30 Keyboard ...
Страница 100: ...3 30 Machine Maintenance 6 Lift the speakers from the upper cover Figure 3 40 Speaker Cable ...
Страница 106: ...3 36 Machine Maintenance 4 Lift the USB board from the lower cover Figure 3 50 USB Board ...
Страница 113: ...Machine Maintenance 3 43 4 Remove the thermal module from the mainboard Figure 3 62 Thermal Module Screws ...
Страница 136: ...3 66 Machine Maintenance 3 Secure the bezel with the two 2 screw covers Figure 3 102 LCD Bezel Screw Covers ...
Страница 151: ...Machine Maintenance 3 81 3 Connect and lock the touchpad cable to the touchpad board Figure 3 128 Touchpad Cable ...
Страница 156: ...3 86 Machine Maintenance 5 Connect the speaker cable to the power button board Figure 3 137 Speaker Cable ...
Страница 172: ...3 102 Machine Maintenance Remove the Dummy Card 0 1 Insert the dummy card into the slot until it clicks into place ...
Страница 174: ...3 104 Machine Maintenance ...
Страница 175: ...CHAPTER 4 Troubleshooting ...
Страница 207: ...CHAPTER 5 Jumper and Connector Locations ...
Страница 208: ...2 2 Clearing Password Check and BIOS Recovery 5 5 Clearing Password Check 5 5 Performing a BIOS recovery 5 6 ...
Страница 215: ...CHAPTER 6 FRU List ...
Страница 216: ...6 2 Aspire 4743 4743G 4743Z 4743ZG Exploded Diagrams 6 4 Main Assembly 6 4 LCD Assembly 6 5 ...
Страница 234: ...6 20 FRU List ...
Страница 235: ...CHAPTER 7 Model Definition and Configuration ...
Страница 236: ...7 2 Aspire 4743 4743G 4743Z 4743ZG 7 3 ...
Страница 270: ...7 36 Model Definition and Configuration ...
Страница 338: ...7 104 Model Definition and Configuration ...
Страница 339: ...CHAPTER 8 Test Compatible Components ...
Страница 340: ...8 2 Microsoft Windows 7 Environment Test 8 4 ...
Страница 351: ...CHAPTER 9 Online Support Information ...
Страница 352: ...9 2 Introduction 9 3 ...
Страница 354: ...9 4 Online Support Information ...