Acer Aspire S3 Ms2346 Service Guide

CHAPTER 5
Jumper and Connector Locations 

5-2
Mainboard Layout . . . . . . . . . . . . . . . . . . . .  . . . . . . . . . . . . . . . . . 5-3
Clearing Password Check and BIOS Reco very . . . . . . . . . . . . . 5-5
Clearing the BIOS Passwords . . . . . . . . . . . .  . . . . . . . . . . . . . . 5-5
Performing a BIOS Recovery  . . . . . . .  . . . . . . . . . . . . . . . . . . . 5-6 

Jumper and Connector Locations5-3
Jumper and Connector Locations
Mainboard Layout0
Figure 5-1. Mainboard Top
Table 5-1. Mainboard Top
No.CodeComponentNo.CodeComponent
1 HDMI1 HDMI out port 10 TPAD1 Touchpad connector
2 USB USB port 11 PCH1 Mobile Intel UM67 Chipset
3 CARD1 Card reader connector 12 PWR1 Power connector
4 FAN1 Fan connector 13 MISC1 WLAN connector
5 LOUT1 Mic/Headphone port 14 MINI1 Mini-board connector
6 RTC1 RTC battery connector 15 LVDS1 LCD cable connector
7 SPK1 Speaker connector 16...

5-4Jumper and Connector Locations
Figure 5-2. Mainboard Bottom
Table 5-2. Mainboard Bottom
No.CodeComponent
1 G2201 Clear password hardware gap
2 RAM2/4/6/8 Onboard memory
3 DMIC1 Mic-in 

Jumper and Connector Locations5-5
Clearing Password Check and BIOS Recovery0
This section provides procedures for:
Clearing the BIOS passwords
Performing a BIOS recovery
Clearing the BIOS Passwords0
To clear a lost BIOS password (user or supervisor password), you need to short the clear 
password hardware gap (G2201) located on the mainboard. 
Figure 5-3. G2201 Hardware Gap
1. Shut down the computer and disconnect the AC adapter and all other peripherals from the  computer. 
2. Perform the “ Removing...

5-6Jumper and Connector Locations
Performing a BIOS Recovery0
Boot Block0
An interruption during a BIOS flash procedure (e.g. a power outage) can corrupt the BIOS 
code, which will cause the system  to go into an unbootable state. The BIOS boot block refers 
to a special BIOS program that can be used to boot up a system with minimum BIOS 
initialization.You need to access and execute  the boot block to reboot the computer and 
recover the regular BIOS code. 
Creating the Crisis Disk0
NOTE:NOTE :
The BIOS...

Jumper and Connector Locations5-7
Performing a BIOS recovery0
NOTE:NOTE:
Make sure the battery pack  is installed to the system and that the computer is 
connected to a UPS unit during the BIOS recovery process. 
The function hotkey sequence  Fn+Esc  is used to enable the BIOS recovery process when 
system is powered On during BIOS POST. If this function is enabled,  the system will force the 
BIOS to execute the boot block program.
To perform a BIOS recovery:
1. Shut down the BIOS failed-computer.
2....

5-8Jumper and Connector Locations 

CHAPTER 6
FRU List 

6-2
Aspire S3 MS2346 Exploded Diagrams. . . . . . . . . . . . . . . . . . . . 6-4
Main Assembly  . . . . . . . .  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-4
FRU List . . . . . . . . . . . . .  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-6