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Motherboard Layout
• Back Panel:
• Board Layout:
Mouse
(green)
DVI Port
Keyboard
(purple)
VGA Port eSATA
USB +
LAN Ports
USB Ports
Audio Jacks
BC45Q
BC45Q
Intel® Q45 LGA775 Socket supports Intel® Core™ 2 Quad / Core™ 2
Duo ATX Motherboard
User’s Quick Start Card
Version 1.0 http://www.bcmcom.com
• Inspect the Package:
One BC45Q Motherboard
One 40-pin IDE cable
One SATA Cable
One SATA Power Cable
One I/O Shield
One Driver CD (Manual/Drivers)
One User’s Quick Start Card
• 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.
Perchlorate Material- Special Handling May Apply.
See http://www.dtsc.ca.gov/hazardouswaste/perchlorate/
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.
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WARNING: Electrostatic Sensitive Device (ESD)
Static electricity can easily damage your motherboard and will void your motherboard
warranty. Keep the motherboard and other system components in their anti-static packaging
until you are ready to install them. Touch a grounded surface before you remove any system
component from its protective anti-static packaging. Unpacking and installation should be
done on a grounded, anti-static mat. The operator should be wearing an anti-static wristband,
grounded at the same points as the anti-static mat. During configuration and installation
touch a grounded surface frequently to discharge any static electrical charge that may have
built up in your body. Avoid touching the components when handling the motherboard or a
peripheral card. Handle the motherboard and peripheral cards either by the edges or by the
peripheral card case-mounting bracket.
WARNING: Misplaced Jumper Damage
Incorrect setting jumpers and connectors may lead to damage to your motherboard and will
void your motherboard warranty. Please pay special attention not to connect these headers
in wrong directions. DO NOT change ANY jumpers while the motherboard has the power!
Connectors & Headers
• Front panel audio (AAFP1)
Signal Pin Pin Signal
HD
LED+
1 2 PWR LED+
HD LED- 3 4 PWR LED-
GND 5 6 PWR
Reset 7 8 GND
NC 9 10 [KEY]
• Audio Amplifier (JAMP1)
Pin Signal
1 AMP_L2 AMP_L+
3 AMP_R4 AMP_R+
• Digital Audio (SPDIF_OUT)
Pin Signal
1 +5V
2 [KEY]
3 SPDIF_O
4 GND
• Front Panel Audio (AAFP)
Signal Pin Pin Signal
MIC2_L 1 2 AGND
MIC2_R 3 4 FP_PRES#
LIN2_R 5 6 SRTN1
SENSE A 7 8 [KEY]
LIN2_L 9 10 SRTN2
• Digital IO (JDIO1)
Signal Pin Pin Signal
DIO_20 1 2 DIO_10
DIO_21 3 4 DIO_11
DIO_22 5 6 DIO_12
DIO_23 7 8 DIO_13
DIO_24 9 10 DIO_14
DIO_25 11 12 DIO_15
DIO_26 13 14 DIO_16
DIO_27 15 16 DIO_17
SMBCLK 17 18 SMBDATA
GND 19 20 +5V
• Front USB (JUSB45)
Signal Pin Pin Signal
+SBV45 1 2 +SBV45
FUSB4- 3 4 FUSB5-
FUSB4+ 5 6 FUSB5+
GND 7 8 GND
[KEY] 9 10 USB_DET3#
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• CPU Fan
Pin Signal
1 GND
2 +12V
3 FANIO
4 FANPWM
• System Fan & Chassis Fan
Pin Signal
1 GND
2 FAN_PWR
3 SEN_FAN
Jumpers
• Clear CMOS Jumper: JCMOS1
Normal
Clear CMOS
• Power mode selection Jumper
ATX mode
AT mode
• Intruder Jumper
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