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5-6
Jumper and Connector Locations
Clear CMOS Jumper
0
Figure 5-3.
CMOS Jumper
BIOS Recovery by Crisis Disk
0
BIOS Recovery Boot Block
0
BIOS Recovery Boot Block is a special block of BIOS. It is used to boot up the system with
minimum BIOS initialization. Users can enable this feature to restore the BIOS firmware to a
successful one once the previous BIOS flashing process failed.
BIOS Recovery Hot Key
0
The system provides a function hot key, <
Fn+Esc
>
, for enable BIOS Recovery process when
system is powered on during BIOS POST. To use this function, it is strongly recommended to
have the AC adapter and Battery present. If this function is enabled, the system will force the
BIOS to enter a special BIOS block, called Boot Block.
Table 5-3.
CMOS Jumper
Item
Description
1
Clear CMOS Jumper
1
Summary of Contents for ASPIRE 4253
Page 1: ...Aspire 4253 4253G SERVICEGUIDE ...
Page 10: ...x ...
Page 11: ...CHAPTER 1 Hardware Specifications ...
Page 14: ...1 4 ...
Page 56: ...1 46 Hardware Specifications and Configurations ...
Page 57: ...CHAPTER 2 System Utilities ...
Page 84: ...2 28 System Utilities ...
Page 85: ...CHAPTER 3 Machine Maintenance Procedures ...
Page 88: ...3 4 ...
Page 110: ...3 26 Machine Maintenance Procedures ID Size Quantity Screw Type C M2 5 3 0 Ni 1 ...
Page 129: ...CHAPTER 4 Troubleshooting ...
Page 151: ...CHAPTER 5 Jumper and Connector Locations ...
Page 158: ...5 8 Jumper and Connector Locations ...
Page 159: ...CHAPTER 6 FRU Field Replaceable Unit List ...
Page 160: ...6 2 Exploded Diagrams 6 4 FRU List 6 7 Screw List 6 20 ...
Page 179: ...CHAPTER 7 Model Definition and Configuration ...
Page 180: ...1 2 Acer 4255 7 1 Aspire 4253G 7 22 ...
Page 212: ...7 32 Model Definition and Configuration ...
Page 213: ...CHAPTER 8 Test Compatible Components ...
Page 214: ...8 2 Microsoft Windows 7 Environment Test 8 4 ...
Page 223: ...CHAPTER 9 Online Support Information ...
Page 224: ...9 2 Introduction 9 3 ...
Page 226: ...9 4 Online Support Information ...