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eMachines E644G eMachines E644 and E644G Series Serivce Guide - Page 159

Table 4-6., ContinuedBDS Phase POST Code Table, Functionality Name Include, PostCode.h, Phase

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Table 4-6. (Continued)BDS Phase POST Code Table Functionality Name (Include\ PostCode.h) Phase Post Code Description BDS_START_IDE_CONTROLLER BDS 1E IDE controller initialization BDS_START_SATA_CONTROLLER BDS 1F SATA controller initialization BDS_START_ISA_ACPI_CONTROLLER BDS 20 SIO controller initialization BDS_START_ISA_BUS BDS 21 ISA BUS driver initialization BDS_START_ISA_FDD BDS 22 Floppy device initialization BDS_START_ISA_SEIRAL BDS 23 Serial device initialization BDS_START_IDE_BUS BDS 24 IDE device initialization BDS_START_AHCI_BUS BDS 25 AHCI device initialization BDS_CONNECT_LEGACY_ROM BDS 26 Dispatch option ROMs BDS_ENUMERATE_ALL_BOOT_OPTION BDS 27 Get boot device information BDS_END_OF_BOOT_SELECTION BDS 28 End of boot selection BDS_ENTER_SETUP BDS 29 Enter Setup Menu BDS_ENTER_BOOT_MANAGER BDS 2A Enter Boot manager BDS_BOOT_DEVICE_SELECT BDS 2B Try to boot system to OS BDS_EFI64_SHADOW_ALL_LEGACY_RO M BDS 2C Shadow Misc Option ROM BDS_ACPI_S3SAVE BDS 2D Save S3 resume required data in RAM BDS_READY_TO_BOOT_EVENT BDS 2E Last Chipset initial before boot to OS BDS_GO_LEGACY_BOOT BDS 2F Start to boot Legacy OS BDS_GO_UEFI_BOOT BDS 30 Start to boot UEFI OS BDS_LEGACY16_PREPARE_TO_BOOT BDS 31 Prepare to Boot to Legacy OS BDS_EXIT_BOOT_SERVICES* BDS 32 Send END of POST Message to ME via HECI BDS_LEGACY_BOOT_EVENT BDS 33 Last Chipset initial before boot to Legacy OS. BDS_ENTER_LEGACY_16_BOOT BDS 34 Ready to Boot Legacy OS. BDS_RECOVERY_START_FLASH BDS 35 Fast Recovery Start Flash. * 3rd party relate functions - Platform dependence. Troubleshooting 4-25

Section	Page
eMachines E644/E644G Service Guide	1
Table of Contents	5
Chapter 1: Hardware Specifications	11
Table of Contents	12
Features	15
Operating System	15
Platform	15
System Memory	15
Display	15
Audio Subsystem	15
Graphics	15
Storage Subsystem	16
Privacy Control	16
Optical Media Drive	16
Communication	17
Dimension and Weight	17
Power Adapter and Battery	17
Special Keys and Controls	17
I/O Ports	18
Optional Items	18
Warranty	18
Software	18
Environment	19
Notebook Tour	20
Top View	20
Closed Front View	22
Rear View	23
Left View	24
Right View	25
Base View	26
Touchpad Basics	27
Using the Keyboard	28
Windows Keys	29
Hotkeys	30
Specification Tables	33
Computer specifications	33
Processor	34
CPU Fan True Value Table (TJ100-CPU/UMA)	35
CPU Fan True Value Table (TJ100-CPU/SG)	35
System Memory	36
Video Interface	36
BIOS	37
Keyboard	38
Hard Disk Drive (AVL components)	39
Hard Disk Drive (AVL components) (Continued)	40
LCD Inverter (not available with this model)	42
Display Supported Resolution (LCD Supported Resolution)	43
Display Supported Resolution (GPU Supported Resolution)	43
3G Card (not available in this model)	45
Audio Interface	45
Battery	47
VRAM	47
USB Port	47
AC Adapter	48
Card Reader	48
System DMA Specification	49
Chapter 2: System Utilities	53
Table of Contents	54
BIOS Setup Utility	55
Navigating the BIOS Utility	55
BIOS	56
Information	56
Main	58
Security	60
Boot	64
Exit	65
BIOS Flash Utilities	66
DOS Flash Utility	67
WinFlash Utility	69
Remove HDD/BIOS Password Utilities	70
Removing BIOS Passwords	72
Cleaning BIOS Passwords	74
Miscellaneous Tools	75
Using Boot Sequence Selector	75
Using DMITools	76
Using the LAN MAC EEPROM Utility	77
Crisis Disk Recovery	78
Chapter 3: Machine Maintenance Procedures	81
Table of Contents	82
Introduction	85
General Information	85
Recommended Equipment	85
Maintenance Flowchart	86
Getting Started	87
Battery Pack Removal	88
Battery Pack Installation	88
Dummy Card Removal	89
Dummy Card Installation	89
Keyboard Removal	90
Keyboard Installation	91
ODD (Optical Disk Drive) Module Removal	92
ODD Module Installation	93
Base Door Removal	94
Base Door Installation	94
DIMM (Dual In-line Memory Module) Module Removal	95
DIMM Module Installation	96
WLAN (Wireless Local Area Network) Board Removal	97
WLAN Board Installation	97
RTC Battery Removal	98
RTC Battery Installation	98
HDD (Hard Disk Drive) Module Removal	99
HDD Module Installation	100
Upper Cover Removal	101
Upper Cover Installation	103
Speaker Removal	104
Speaker Installation	105
Power Board Removal	106
Power Board Installation	106
Touchpad Removal	107
Touchpad Installation	107
USB Board Removal	108
USB Board Installation	109
ODD Board Removal	110
ODD Board Installation	110
Bluetooth Board Removal	111
Bluetooth Board Installation	111
Mainboard Removal	112
Mainboard Installation	114
Fan Removal	115
Fan Installation	115
Heatsink Removal	116
Heatsink Installation	117
LCD (Liquid Crystal Display) Module Removal	119
LCD Module Installation	120
DC-IN Cable Removal	121
DC Cable Installation	122
LCD Bezel Removal	123
LCD Bezel Installation	125
Camera Module Removal	126
Camera Module Installation	127
LCD Panel Removal	128
LCD Panel Installation	129
LCD Bracket Removal	130
LCD Bracket Installation	130
LVDS Cable Removal	131
LVDS Cable Installation	132
Microphone Set Removal	133
Microphone Set Installation	133
WLAN Antenna Removal	134
WLAN Antenna Installation	134
Chapter 4: Troubleshooting	135
Table of Contents	136
Introduction	137
General Information	137
Power On Issues	138
No Display Issues	139
LCD Failure	141
Keyboard Failure	142
Touchpad Failure	143
Internal Speaker Failure	144
Microphone Failure	146
USB Failure	147
Wireless Failure	148
Bluetooth Failure	149
Card Reader Failure	150
Thermal Module Failure	151
Cosmetic Failure	152
Other Functions Failure	153
Intermittent Problems	154
Undetermined Problems	154
Post Codes	155
Chapter 5: Jumper and Connector Locations	163
Table of Contents	164
Mainboard Jumper and Connector Locations	165
USB Board Jumper and Connector Locations	167
Power Board Jumper and Connector Locations	168
Clearing Password Check and BIOS Recovery	169
Clearing Password Check	169
Clear CMOS Jumper	170
BIOS Recovery by Crisis Disk	170
Chapter 6: FRU (Field Replaceable Unit) List	173
Table of Contents	174
Exploded Diagrams	176
FRU List	178
Screw List	190
Chapter 7: Model Definition and Configuration	191
Table of Contents	192
eMachines E644	193
eMachines E644G	198
Chapter 8: Test Compatible Components	201
Table of Contents	202
Microsoft® Windows® 7 Environment Test	204
Chapter 9: Online Support Information	213
Table of Contents	214
Introduction	215

Match case Limit results 1 per page

Troubleshooting

4-25

BDS_START_IDE_CONTROLLER

BDS

IDE controller initialization

BDS_START_SATA_CONTROLLER

BDS

SATA controller initialization

BDS_START_ISA_ACPI_CONTROLLER

BDS

SIO controller initialization

BDS_START_ISA_BUS

BDS

ISA BUS driver initialization

BDS_START_ISA_FDD

BDS

Floppy device initialization

BDS_START_ISA_SEIRAL

BDS

Serial device initialization

BDS_START_IDE_BUS

BDS

IDE device initialization

BDS_START_AHCI_BUS

BDS

AHCI device initialization

BDS_CONNECT_LEGACY_ROM

BDS

Dispatch option ROMs

BDS_ENUMERATE_ALL_BOOT_OPTION

BDS

Get boot device information

BDS_END_OF_BOOT_SELECTION

BDS

End of boot selection

BDS_ENTER_SETUP

BDS

Enter Setup Menu

BDS_ENTER_BOOT_MANAGER

BDS

Enter Boot manager

BDS_BOOT_DEVICE_SELECT

BDS

Try to boot system to OS

BDS_EFI64_SHADOW_ALL_LEGACY_RO M

BDS

Shadow Misc Option ROM

BDS_ACPI_S3SAVE

BDS

Save S3 resume required data

in RAM

BDS_READY_TO_BOOT_EVENT

BDS

Last Chipset initial before boot

to OS

BDS_GO_LEGACY_BOOT

BDS

Start to boot Legacy OS

BDS_GO_UEFI_BOOT

BDS

Start to boot UEFI OS

BDS_LEGACY16_PREPARE_TO_BOOT

BDS

Prepare to Boot to Legacy OS

BDS_EXIT_BOOT_SERVICES*

BDS

Send END of POST Message

to ME via HECI

BDS_LEGACY_BOOT_EVENT

BDS

Last Chipset initial before boot

to Legacy OS.

BDS_ENTER_LEGACY_16_BOOT

BDS

Ready to Boot Legacy OS.

BDS_RECOVERY_START_FLASH

BDS

Fast Recovery Start Flash.

* 3rd party relate functions – Platform dependence.

Table 4-6.

(Continued)BDS Phase POST Code Table

Functionality Name (Include\

PostCode.h)

Phase

Post

Code

Description