Acer Keyboard UI Technical Information Seite 168
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158 Chapter 4
BDS & Specific action:
0x27 Enable DRAM Channel I/O Buffers
0x28 Enable all clocks on populated rows
0x29 Perform JEDEC memory initialization for all memory rows
0x30 Perform steps required after memory init
0x31 Program DRAM throttling and throttling event registers
0x32 Setup DRAM control register for normal operation and enable
0x33 Enable RCOMP
0x34 Clear DRAM initialization bit in the SB
0x35 Initialization Sequence Completed, program graphic clocks
0x43 Program Thermal Throttling
Code Description
0x00 Report the legacy boot is happening
0x12 Wake up the Aps
0x13 Initialize SMM Private Data and relocate BSP SMBASE
0x21 PC init begin at the stage1
0x27 Report every memory range do the hard ware ECC init
0x28 Report status code of every memory range
0x50 Get the root bridge handle
0x51 Notify pci bus driver starts to program the resource
0x58 Reset the host controller
0x5A IdeBus begin initialization
0x79 Report that the remote terminal is being disabled
0x7A Report that the remote terminal is being enabled
0x90 Keyboard reset
0x91 USB Keyboard disable
0x92 Keyboard detection
0x93 Report that the usb keyboard is being enabled
0x94 Clear the keyboard buffer
0x95 Init Keyboard
0x98 Mouse reset
0x99 Mouse disable
0x9A Detect PS2 mouse
0x9B Report that the mouse is being enabled
0xB8 Peripheral removable media reset (ex: IsaFloppy, USB device)
0xB9 Peripheral removable media disable
0xBB Peripheral removable media enable
0xE4 Report Status Code here for DXE_ENTRY_POINT once it is available
0xF8 Report that ExitBootServices() has been called
0xF9 Runtime driver set virtual address map
Code Description
- Aspire 4736G/4736Z Series 1
- Service Guide 1
- Revision History 2
- Copyright 3
- Disclaimer 3
- Conventions 4
- Table of Contents 10
- System Specifications 11
- Environment 13
- System Block Diagram 14
- Your Acer Notebook tour 15
- Closed Front View 16
- Left View 17
- Right View 18
- Rear View 18
- Indicators 20
- Easy-Launch Buttons 20
- Using the Keyboard 22
- Windows Keys 23
- Hot Keys 24
- Special Key 25
- Using the System Utilities 26
- • OS Shut down: 105°C 28
- • H/W Shut down: 96°C 28
- • NB10MGE1-512MB-DDR3 28
- Chapter 1 23 33
- • Samsung LTN140AT01-G01 35
- • AUO B140XW01 35
- • LG LP140WH1 35
- • CMO N140B6 - L02 35
- • SONY AS-2007A 37
- • Panasonic AS-2007A 37
- • Simplo AS-2007A 37
- • Sanyo AS-2007A 37
- 28 Chapter 1 38
- System Utilities 39
- Information 40
- Security 42
- Setting a Password 43
- Removing a Password 43
- Changing a Password 44
- Chapter 2 37 47
- BIOS Flash Utility 49
- DOS Flash Utility 50
- Chapter 2 41 51
- WinFlash Utility 52
- Removing BIOS Passwords: 54
- Cleaning BIOS Passwords 55
- Miscellaneous Utilities 56
- 48 Chapter 2 58
- Disassembly Requirements 59
- Chapter 3 59
- General Information 60
- Removing the Battery Pack 62
- Removing the SD dummy card 63
- Removing the Lower Covers 64
- Chapter 3 55 65
- Removing the WLAN Module 66
- Removing the DIMM Modules 67
- Chapter 3 59 69
- HDD Carrier M3*3 4 69
- Main Unit Disassembly Process 72
- Removing the Hinge Covers 74
- Removing the Switch Cover 75
- 66 Chapter 3 76
- Removing the Keyboard 77
- Removing the Speaker Module 78
- Chapter 3 69 79
- Removing the LCD Module 80
- Chapter 3 71 81
- 72 Chapter 3 82
- Chapter 3 73 83
- LCD Module M2.5*5 2 83
- 74 Chapter 3 84
- Removing the Upper Base 85
- Chapter 3 79 89
- Removing the TouchPad Bracket 90
- Chapter 3 81 91
- Removing the Media Board 92
- Chapter 3 83 93
- Removing the USB Board 94
- Chapter 3 85 95
- Removing the Modem Module 96
- Removing the Bluetooth Module 97
- Removing the Mainboard 98
- Chapter 3 89 99
- Removing the RJ-11 Port 100
- Chapter 3 91 101
- Removing the Thermal Module 102
- Removing the CPU 104
- Removing the LCD Bezel 106
- Chapter 3 97 107
- Removing the Camera Module 108
- Removing the LCD Panel 109
- 100 Chapter 3 110
- Removing the Antennas 112
- Removing the MIC Module 113
- Replacing the MIC Module 114
- Replacing the Antennas 115
- Chapter 3 107 117
- Replacing the LCD Panel 118
- Chapter 3 109 119
- Replacing the Camera Module 120
- Replacing the LCD Bezel 121
- Replacing the CPU 122
- Replacing the Thermal Module 123
- Replacing the RJ-11 Port 124
- Chapter 3 115 125
- Replacing the Mainboard 126
- Replacing the Bluetooth Board 127
- Replacing the Modem Module 127
- Replacing the USB Board 128
- Replacing the Media Board 129
- 120 Chapter 3 130
- Step Size Quantity Screw Type 130
- Media Board M2.5*3 3 130
- 122 Chapter 3 132
- Replacing the Upper Cover 133
- Chapter 3 125 135
- Replacing the LCD Module 136
- Chapter 3 129 139
- Replacing the Speaker Module 140
- Replacing the Keyboard 141
- Replacing the Switch Cover 142
- Chapter 3 133 143
- Replacing the Hinge Covers 144
- Replacing the ODD Module 145
- Replacing the DIMM Modules 146
- Replacing the WLAN Module 147
- Replacing the Lower Covers 147
- Replacing the Battery 148
- Troubleshooting 149
- Power On Issue 150
- No Display Issue 151
- Random Loss of BIOS Settings 152
- LCD Failure 153
- Built-In Keyboard Failure 153
- Touchpad Failure 154
- Internal Speaker Failure 154
- Sound Problems 155
- Internal Microphone Failure 156
- HDD Not Operating Correctly 157
- ODD Failure 158
- Discs Do Not Play 159
- Discs Do Not Burn Properly 159
- Playback is Choppy 159
- Drive Not Detected 160
- Drive Read Failure 160
- USB Failure (Rightside) 161
- Modem Function Failure 161
- Wireless Function Failure 162
- Bluetooth Function Failure 162
- EasyTouch Button Failure 163
- Media Board Failure 163
- Fingerprint Reader Failure 164
- Thermal Unit Failure 164
- External Mouse Failure 165
- Other Failures 165
- Intermittent Problems 166
- Undetermined Problems 166
- POST Codes Tables 167
- BDS & Specific action: 168
- Top View 173
- Chapter 5 173
- Bottom View 174
- Clearing Password Check 175
- BIOS Recovery by Crisis Disk 176
- Chapter 6 177
- Main Module 178
- Screw List 185
- Appendix A 186
- Test Compatible Components 187
- Microsoft 188
- Vista Environment Test 188
- Online Support Information 193
- 184 Appendix C 194
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