Global American Inc. 2807750 User manual

User’s Manual
Mini-ITX Motherboard 2807750
Version 1.0, July 2007

Copyrights
This manual is copyrighted and all rights are reserved. It does not allow any
non authorization in copied, photocopied, translated or reproduced to any
electronic or machine readable form in whole or in part without prior written
consent from the manufacturer.
In general, the manufacturer will not be liable for any direct, indirect, special,
incidental or consequential damages arising from the use of inability to use
the product or documentation, even if advised of the possibility of such
damages. The manufacturer keeps the rights in the subject to change the
contents of this manual without prior notices in order to improve the function
design, performance, quality and reliability. The author assumes no
responsibility for any errors or omissions, which may appear in this manual,
nor does it make a commitment to update the information contained herein.
Trademarks
Intel is a registered trademark of Intel Corporation.
Award is a registered trademark of Award Software, Inc.
All other trademarks, products and or product's name mentioned herein are
mentioned for identification purposes only, and may be trademarks and/or
registered trademarks of their respective companies or owners.

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Packing List:
Please check the package content before you starting using the board.
Hardware:
2807750 serial Mini ITX Motherborad x 1
Cable Kit:
44-pin
44-pin
40-pin Floppy Cable x 1
SATA Cable x 2
ATA33 IDE Cable x1
SDTV Cable x 1
COM & Printer Port Cable x 1 YPbPr Cable x 1
2 DVI module with bracket x 1 (2807750 Serial )
Power Cable
DVI module with bracket x 1 (2807750 Serial)

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I/O Shield x 1
CPU Cooler x 1
Printed Matters:
Driver CD x 1 (Include user’s manual ).
USB Cable x 1 DC Power Cable x 1

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Index
Chapter 1 <Introduction>...............................................................8
1.1 <Product Overview>..................................................................8
1.2 <Product Specification> ............................................................9
1.3 <Mechanical Drawing>...........................................................11
1.4 <Block Diagram> ....................................................................12
Chapter 2 <Hardware Setup>....................................................14
2.1 <Connector Location>.............................................................14
2.2 <Jumper Location & Reference>.............................................15
2.3 <Connector Reference>...........................................................17
2.3.1 <Internal Connectors>..........................................................17
2.3.2 <External Connectors>.........................................................17
2.4 <CPU and Memory Setup> .....................................................18
2.4.1 <CPU Setup>.....................................................................18
2.4.2 <Memory Setup> ................................................................19
2.5 <CMOS Setup> .......................................................................20
2.6 <Enhanced IDE Interface>......................................................21
2.7 <Serial ATA Interface> ............................................................22
2.8 <Floppy Port>..........................................................................23
2.9 <Ethernet Interface>................................................................24
2.10 <Onboard Display Interface>................................................25
2.10.1 <Analog Display> .............................................................25
2.10.2 <Digital Display>..............................................................26
2.10.3 <HDTV Interface>.............................................................30
2.11 <Integrated Audio Interface>.................................................31
2.12 <GPIO Interface> ..................................................................33
2.13 <Power Supply> ....................................................................34
2.13.1 <Power Input>..................................................................34
2.13.2 <Power Output>................................................................36
2.14 <Switch and Indicator>..........................................................37

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Chapter 3 <System Setup>.........................................................38
3.1 <Audio Configuration>...........................................................38
4. Select the sound mode to meet your speaker system. .....................................38
3.2 <Video Memory Setup>..........................................................39
3.3 <Display Properties Setting>...................................................41
Appendix A <I/O Port Pin Assignment>............................45
A.1 <IDE Port> .............................................................................45
A.2 <Serial ATA Port>...................................................................46
A.3 <Floppy Port>.........................................................................46
A.4 <IrDA Port>............................................................................46
A.5 <Serial Port 1>........................................................................47
A.6 <Serial Port 2>........................................................................47
A.7 <Parallel Port>........................................................................47
A.8 <VGA Port>............................................................................48
A.9 <LAN Port>............................................................................48
A.10 < USB Interface >.................................................................48
Appendix C <System Resources>........................................50
Appendix D <Programming GPIO’s>...................................54
Appendix E <Programming Watchdog Timer >...........55
Appendix F <How to setting RS-422 & RS-485>.........56
Contact Information.........................................................................57

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Chapter 1 <Introduction>
1.1 <Product Overview>
2807750 is the new generation of the Mini-ITX motherboard, with supporting Intel Core 2
Duo socket-P processors for 533/800MHz front side bus, Intel GM(E)965 and ICH8-M
chipset, integrated GMA X3100 graphics, DDR2 memory, REALTEK High Definition
Audio, Serial ATA and two Intel Gigabit LAN.
Intel Merom dual core Processor
The board supports Intel Core 2 Duo socket-P processors with 533/800MHz front side
bus, 4MB L2 cache, to provide more powerful performance than before.
New features for Intel GM(E)965 chipset
The board integrates Intel GM(E)965 and ICH8-M chipset, to provide new generation of
the mobile solution, supports Intel GMA X3100 graphics, DDR2 533/667Mhz memory,
built-in high speed mass storage interface of serial ATA, High Definition Audio with 7.1
channels surrounding sound.
All in One multimedia solution
Based on Intel GM(E)965 and ICH8-M chipset, the board provides high performance
onboard graphics,18/24-bit Single/dual channel LVDS interface, HDTV and 7.1
channels High Definition Audio, to meet the very requirement of the multimedia
application.
Flexible Extension Interface
The board provides Compact Flash Type II slot , two mini-PCI slot. and one PCI slot.

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1.2 <Product Specification>
General Specification
Form Factor Mini-ITX motherboard
CPU Support Intel Core 2 Duo Mobile Processor
Package type: Micro-FCPGA478 (Socket-P)
Front side bus: 533/800 MHz
Memory Two DDRII 533/667MHz DIMM up to 3GB with dual channel
Interleaved mode
Chipset Intel GM(E)965 & ICH8-M (82801HBM)
Real Time Clock Chipset integrated RTC with onboard lithium battery
Watchdog Timer Generates a system reset with internal timer for 1min/s ~ 255min/s
Power Management ACPI 1.0 compliant, supports power saving mode
PCI Enhanced IDE One 44-pin UltraATA33 IDE interface supports up to 2 ATAPI devices
Serial ATA Interface 3 x serial ATAII interface with 300MB/s transfer rate
VGA Interface Intel integrated extreme GMA X3100 (Graphic Media Accelerator)
Technology
Video Memory Up to 384MB shared with system memory
LVDS interface Onboard 24-bit dual channel LVDS connector with +3.3V/+5V/+12V
supply
DVI Interface Two Chrontel CH7307C DVI transmitter with onboard 26-pin DVI
interface
Audio Interface Intel integrated ICH8-M with Realtek ALC888 HD Audio
LAN Interface Two Intel 82573L Gigabit LAN
Solid State Disk IDE supports 44-pin DiskOnModule with +5V/+3.3V power supply,
One Compact Flash Type II
GPIO interface Onboard programmable 8-bit Digital I/O interface
Extended Interface One PCI slot, Two Mini PCI socket to support Mini PCI Type IIIA
Internal I/O Port 1x RS232/422/485, 1x slim FDD port, 1x GPIO port, 1 x Parallel Port,
4 x USB ports, 1x IrDA, 1x IDE, 1x LVDS, 1x LCD inverter connector,
2 x DVI, 1x HDTV, 1x Front panel Audio connector and 1 x CDIN
connector
External I/O Port 1x PS/2 Keyboard/Mouse Port, 2 x RJ45 LAN ports, 1x DB15 VGA port,
4x USB2.0 ports, 2x IEEE 1394 port, 1x RS232 port, 7.1 Channel Audio
Output, 1x SPDIF connector
Power Requirement Standard 20-Pin ATX power supply
or 9~24V full range DC Input ( 8~30V operative)
Dimension 170mm x 170mm
Temperature Operating within 0~60 centigrade
Storage within –20~85 centigrade

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Ordering Code
2807750A Onboard CRT, LVDS, HDTV, Intel Gigabit LAN, USB2.0, PCI, Mini-PCI,
GPIO Port, 1394, IrDA, Slim FDD, Parallel Port, RS232/422/485,
SATA,HD Audio, 1 x DVI
2807750B Onboard CRT, LVDS, HDTV, Intel Gigabit LAN, USB2.0, PCI, Mini-PCI,
GPIO Port, 1394, IrDA, Slim FDD, Parallel Port, RS232/422/485, SATA,
HD Audio, 2 x DVI and CF
For further product information please visit the website at http://www.globalamericaninc.com

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1.3 <Mechanical Drawing>
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1.4 <Block Diagram>
ICH8-M
3 x Serial ATA ports
PCI Express 1X
8 x USB2.0 ports
Intel 82573L Gigabit LAN
2 x Mini-PCI slot
UltraDMA33 IDE
Compact Flash
IEEE1394
HD Audio
2 x Serial ports
1 x Floppy ports
8-bit GPIO IrDA
LPT Port
Intel Mobil Core 2 Duo Processor
Intel GMA X3100 Graphics
LVDS
2 x DVI
2 x 200-pin DDR2 SO-DIMM
533/677MHz up to 3GB
GME965
1 x PCI slot
BIOS
SPI

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Chapter 2 <Hardware Setup>
2.1 <Connector Location>
JFRNT
ATX/DC-out
FDD
PCI
Mini-PCI
COM Port
SATA
SPDIF
PS/2 USB&LAN 1394 CRT&COM Audio
DC-in
SYSFAN
CPUFAN
DDRII
SO-Dimm
NBFAN
CN_LVDS
CN_INV
CN_HDTV
CN_DIO
CN_IR
CN_DVI
CN_Audio
CD_IN
CN_USB
IDE
LPT

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2.2 <Jumper Location & Reference>
Jumper Function
JRTC CMOS Operating/Clear Setting
JCFSEL CF with IDE mode selection
JVLCD Panel Voltage Setting
JVSSD DOM 3.3V / 5V Power selection
JP1 COM1 signal mode switch (For Pin-1 & Pin-9)
JP2 COM2 signal mode switch (For Pin-1 & Pin-9)
JAT Power mode select
JCFSEL
JVLCD
JAT
JCSEL1
JVSSD
JCSEL2
JP1
JP2
JRTC

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Jumper: JAT
Type: onboard 3-pin header
Power Mode JAT
AT Mode
ATX Mode
Default setting: ATX Mode
Jumper: JP1 (COM 1)
Type: onboard 3 x 2-pin header
Power Mode JP1
Pin1 with 5V signal
Pin9 with 12V signal
Default setting: 3-5, 4-6
Jumper: JP2 (COM 2)
Type: onboard 3 x 2-pin header
Power Mode JP2
Pin1 with 5V signal
Pin9 with 12V signal
Default setting: 3-5, 4-6
1 2
5 6
1 2
5 6
1
3

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2.3 <Connector Reference>
2.3.1 <Internal Connectors>
Connector Function Remark
CPU Socket478 for socket-P CPU
SO-DIMM 1/2 Two 200 -pin DDR2 SO-DIMM slot
IDE 44-pin IDE connector
FDD 26-pin slim type floppy connector
LPT 26-pin LPT port connector
S_ATA1/2/3 7-pin Serial ATA connector
DC_IN 9~24V full range DC input (8~30V operative) DC input Mode
ATX 20-pin power input connector ATX input Mode
DC-Out 20-pin power output connector DC Input Mode
CN_AUDIO 5 x 2-pin audio connector
CDIN 4-pin CD-ROM audio input connector
CN_DIO 6 x 2-pin digital I/O connector
CN_USB Two 5 x 2-pin USB connector
CPUFAN 4-pin CPU cooler fan connector
SYSFAN 3-pin system cooler fan connector
CN_DVI 1/2 13 x 2-pin DVI interface
CN_HDTV 5 x 2-pin HDTV interface
CN_LVDS 20 x 2-pin LVDS connector
CN_INV 5-pin LCD inverter connector
CN_IR 5-pin IrDA connector
JFRNT 14-pin front panel switch/indicator connector
MiNi-PCI 2 x Mini-PCI socket Type IIIA
PCI 32bit PCI slot
CF Compact Flash Type II socket
COM1/2 Serial port connector
JAT Power mode select
2.3.2 <External Connectors>
Connector Function Remark
USB_RJ45 Dual USB and one RJ45 LAN connector
CRT + COM1 DB15 analog VGA connector and COM1 Connect
KB PS/2 keyboard connector
MS PS/2 mouse connector
AUDIO Audio connectors
1394 IEEE1394 port
SPDIF SPDIF digital audio output connector

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2.4 <CPU and Memory Setup>
2.4.1 <CPU Setup>
The board comes with the socket478 for Intel Core 2 Duo socket-P processor Only, it
supports new generation of Intel Core 2 Duo socket-P processor with 533/800MHz of
front side bus and 4MB L2 cache. Please follow the instruction to install the CPU
properly.
1. Use the flat-type
screw drive to unlock
the CPU socket
Unlock way
Check point
2. Follow the pin direction to install
the processor on the socket
3. Lock the socket 4. Socket P has 478 pins, but is not
pin-compatible with Socket M
CPU.
Socket-M CPU
Check point

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2.4.2 <Memory Setup>
The board provides two 200-pin DDR2 SO-DIMMs to support 533/667MHz DDR2
memory modules up to 3GB of capacity. Non-ECC, unbuffered memory is supported
only. While applying two same modules, dual channel technology is enabled
automatically for higher performance.
SO-DIMM2
SO-DIMM1
CF

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2.5 <CMOS Setup>
The board’s data of CMOS can be setting in BIOS. If the board refuses to boot due to
inappropriate CMOS settings, here is how to proceed to clear (reset) the CMOS to its
default values.
Jumper: JRTC
Type: Onboard 3-pin jumper
JRTC Mode
1-2 Clear CMOS
2-3 Normal Operation
Default setting: 2-3
JRTC
1
3