User Guide

FIC CONFIDENTIAL AND PROPRIETARY
MB02 Functional Specifications Rev. 0.3 Page 69
FIC H/W
FIC CONFIDENTIAL AND PROPRIETARY 11-November-2002_
In MB02, it is adjusting brightness of LCD Back-light with the PMU08 registers.
Set to the PMU08 registers as follows.
PMU_IF Register : 6C/68h
Address: 0439h
Name: CC_CUR_DATA
XGA / SVGA Model Back-light Control.
Set Value
51h <TBD> Maximum brightness
59h <TBD> Half brightness (6)
61h <TBD> Half brightness (5)
69h <TBD> Half brightness (4)
71h <TBD> Half brightness (3)
79h <TBD> Half brightness (2)
81h <TBD> Half brightness (1)
89h <TBD> Minimum brightness
Note: When AC is driven, brightness is set in MAX.
When DC is driven, brightness is set in reducing by half.
The brightness of XGA model is eight stages, and it is possible to adjust by Hotkey.
Please refer to the PMU08 Function Specifications for details.
8.2.3 LPC KBC M38859 GPIOs allocation
GPIO
number
Signal Name Default I/O Notes Remark
GPIO P60 KBSEL1 1 I KB Select1
Refer KB Select Table
GPIO P61 KBSEL2 1 I KB Select2
Refer KB Select Table
GPIO P62 MB_ID0 0 I Mother Board version change
GPIO P63 LOGSEL 1 I Logo Select
GPIO P64 PASS0 1 I Password
0 : need password
1 : don’t need password
GPIO P65 BLEN1 0 O Back Light Enable
0 : Disable
1 : Enable
GPIO P54 FAN_ERROR 1 I FAN error
0 : Error
1 : Normal
GPIO P55 WIRELESS_RF
ON
0 O Wireless RF Turn on
0 : OFF
1 : ON
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