Serial Port Header CN9
Front Panel Connector CN1
Audio Header CN15
IRDA Connector (CN4)
LED Panel Power Select JP6
LAN LED Header JP1, JP2
VCC5
1
2
VCC5
NC
3
4
NC
GND
5
6
PWRBTN
SPKR
7
8
KBLOCK
VCC5
9
10
GND
HDDLED-
11
12
NC
RESET+
13
14
5V
GND
15
16
PWRBT-
DCD
1
2
DSR
RxD
3
4
RTS
TxD
5
6
CTS
DTR
7
8
RI
GND
9
10
5V
1
Line Out L
2
AU_GND
3 AU_GND
4
Line Out R
1 +5V
2
FIRTX
3 IRRX
4 GND
5 IRTX
3.3V (Default)
1-2
5V 2-3
Signal
Pin#
Signal
Link_LED
1
2
VCC_3V
ACT_LED
3
4
VCC_3V
Clear CMOS JP4
ATX Power Connector Block CN19
USB Port Header (CN11)
LCD Panel and Inverter Header CN10
Normal (Default
1-2
Clear CMOS
2-3
3.3V 11
1
3.3V
-12V 12
2
3.3V
GND 13
3
GND
PS-ON 14
4
+5V
GND 15
5
GND
GND 16
6
+5V
GND 17
7
GND
+5V 18
8
PWROK
+5V 19
9
5VSB
+5V 20
10
+12V
Signal
Pin
Signal
NC
1
2
NC
GND
3
4
GND
YA0-
5
6
YA1-
YA0+
7
8
YA1+
GND
9
10
GND
YA2-
11
12
CLKA-
YA2+
13
14
CLKA+
GND
15
16
GND
YA3-
17
18
YB0-
YA3+
19
20
YB0+
GND
21
22
GND
YB1-
23
24
YB2-
YB1+
25
26
YB2+
GND
27
28
GND
CLKB-
29
32
YB3-
CLKB+
31
32
YB3+
NC
33
34
+12V
NC
35
36
+12V
NC
37
38
VCC_LCD
LCD_BKL
39
40
VCC_LCD
VCC
1
2
VCC
DATA-
3
4
DATA-
DATA+
5
6
DATA+
GND
7
8
GND
NC
9
10
Key
MX855
MX855
All-in-One Pentium M/ Celeron M socket 478Pin ITX Board
With LVDS FP, Audio out, 6 USB 2.0, 2 Gigabit Ethernet
User’s Quick Start Card
Version 1.0
http://www.bcmcom.com
Inspect the Package:
One
MX855 Motherboard
One
IDE Cable (80 Pins)
One
Floppy Cable
One
Audio Cable (Mini Jack)
One
ATX I/O Shield
One
User’s Quick Start Card
One
Driver CD (Manual/Drivers)
One
Custom CPU Heat sink
Responsibility:
This manual is provided “As-Is” with no warranties of any kind, it will neither expressed or implied,
including, but not limited to the implied warranties or conditions of this product’s fitness for any
particular purpose. In no event shall we be liable for any loss of profits, loss of business, loss of
data, interruption of business, or indirect, special, incidental, or consequential damages of any kind,
even the possibility of such damages arising from any defect or error in this manual or product. We
reserve the right to modify and update the user manual without prior notice.
WARNING: CMOS Battery Damage
Replace your system’s CMOS RAM battery only with the identical CR-2032 3V Lithium-Ion coin cell
(or equivalent) battery type to avoid risk of personal injury or physical damage to your equipment.
Always dispose of used batteries according to the manufacturer’s instructions, or as required by the
local ordinance (where applicable). The damage due to not following this warning will void your
motherboard’s manufacturer warranty.
ATTENTION: Incorrect BIOS Setup
If you do not know how to handle BIOS setup or how to set it up properly, it is strongly advisable
that you do not modify any of the settings than otherwise instructed in the User’s Quick Start Card.
Even a seemingly small incorrect adjustment or modification in the BIOS setup can render your
system unstable or unusable. The incorrect BIOS setup is not covered by your motherboard’s
manufacturer warranty.
Additional Information:
Additional information on setting this board up can be found in the User’s Manual in the provided
CD-ROM. The Online User’s Manual and FAQ/Knowledge Base can be found on our website by
visiting our website:
http://www.bcmcom.com
. If your question is not answered in our
FAQ/Knowledge Base, visit our forums and post your messages or submit a new FAQ through FAQ
Submittal form for us to add your question in our FAQ with our answer.
