Service manual

Preface
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Preface
Card Reader/LAN JMB251C ....................................................... B-26
LAN (JMC251C), SATA HDD, ODD ......................................... B-27
Audio Codec VIA1812 ................................................................. B-28
KBC-ITE IT8502E ....................................................................... B-29
LED, MDC, BT ............................................................................ B-30
USB, Fan, TP, Multi-Conn ........................................................... B-31
5VS, 3VS, 1.5VS .......................................................................... B-32
Power 3.3V/5V ............................................................................. B-33
Power 1.5V/0.75V, 1.8VS ............................................................ B-34
Power 1.1VS_VTT ....................................................................... B-35
Power VGFX_Core ...................................................................... B-36
V-Core .......................................................................................... B-37
AC_IN, Charger ........................................................................... B-38
Click Board ..................................................................................B-39
Audio Board/USB ........................................................................ B-40
Power Switch & LED Board ........................................................ B-41
External ODD Board .................................................................... B-42
Sequence ....................................................................................... B-43
Updating the FLASH ROM BIOS......... C-1
To update the FLASH ROM BIOS you must: C-1
Download the BIOS ....................................................................... C-1
Unzip the downloaded files to a bootable CD/DVD/ or USB Flash
drive ................................................................................................ C-1
Set the computer to boot from the external drive ........................... C-1
Use the flash tools to update the BIOS .......................................... C-2
Restart the computer (booting from the HDD) .............................. C-2