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J2: COM2 Serial Port

COM2

Signal Name

Pin #

Pin #

Signal Name

DCD, Data carrier detect

1

6

DSR, Data set ready

RXD, Receive data

2

7

RTS, Request to send

TXD, Transmit data

3

8

CTS, Clear to send

DTR, Data terminal ready

4

9

RI, Ring indicator

GND, ground

5

10

Not Used

J3, J4: LVDS Connectors (1st channel, 2nd channel)

The LVDS connectors on board consist of the first channel (J3) and
second channel (J4) and supports 18-bit or 36-bit.

Signal Name

Pin #

Pin #

Signal Name

TX0- 2

1 TX0+

Ground 4 3 Ground

TX1- 6

5 TX1+

5V/3.3V 8 7 Ground

NA 10

9 NA

TX2- 12

11 TX2+

Ground 14 13 Ground

TXC- 16

15 TXC+

5V/3.3V 18 17 ENABKL

+12V 20

19 +12V

J5: LCD Backlight Connector

Pin #

Signal Name

1 +12V
2 Backlight

Enable

3 Ground

J7: Mini PCI Connector

CN8, CN9: SATA Connectors

20

2807950 User's Manual

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Содержание 2807950

Страница 1: ...User s Manual Version 1 0 April 2008 Mini ITX Motherboard 2807950 2807950 User s Manual ...

Страница 2: ... 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 PS 2 is a trademark of Inte...

Страница 3: ...50 Specifications 3 Board Dimensions 4 Installations 5 Installing the CPU 6 Installing the Memory 7 Setting the Jumpers 8 Connectors on 2807950 11 Appendix 27 A I O Port Address Map 27 B Interrupt Request Lines IRQ 28 C Watchdog Timer Configuration 29 2807950 User s Manual ...

Страница 4: ...em boots without the CRT being connected there will be no image on screen when you insert the CRT VGA cable To show the image on screen the hotkey must be pressed CTRL ALT F1 THE 2807950 MINI ITX MOTHERBOARD 2807950 User s Manual ...

Страница 5: ...ndles diverse applications by providing the maximum 384MB availability of system memory for general computer usage while supplying additional graphics memory when a 3D intensive application requests it The Intel GMA X3100 graphics architecture also takes advantage of the high performance Intel processor Intel GMA X3100 graphics supports Dual Independent Display technology The main features of the ...

Страница 6: ...7950 package should include the items listed below The 2807950 Mini ITX motherboard This User s Manual 1 CD containing chipset drivers and flash memory utility Cable kit IDE Serial port Serial ATA 2 2807950 User s Manual ...

Страница 7: ...DMA 33 66 100 CF Type II Audio ICH8M Built in audio controller AC97 Codec ALC885 w 7 1 channels SPDIF OUT LPC I O W83627EHF COM1 COM2 RS232 RS422 RS485 slim FDC 1 44MB IrDA x1 hardware monitor 3 thermal 4 voltage monitor inputs 2 fan headers Digital IO 4 in 4 out Keyboard Mouse Supports PS 2 Keyboard Mouse Connector Expansion Slots PCI slot x1 PIC E x1 slot x1 and Mini PCI socket x1 Edge Connector...

Страница 8: ...m boots without the CRT being connected there will be no image on screen when you insert the CRT VGA cable To show the image on screen the hotkey must be pressed CTRL ALT F1 THE 2807950 MINI ITX MOTHERBOARD 4 2807950 User s Manual ...

Страница 9: ...ormation on how to use the jumpers and connectors on the 2807950 in order to set up a workable system The topics covered are Installing the CPU 6 Installing the Memory 7 Setting the Jumpers 8 Connectors on 2807950 11 5 2807950 User s Manual ...

Страница 10: ... first before inserting the processor Place the processor into the socket by making sure the notch on the corner of the CPU corresponds with the notch on the inside of the socket Once the processor has slide into the socket fasten the screw Refer to the figures below NOTE Ensure that the CPU heat sink and the CPU top surface are in total contact to avoid CPU overheating problem that would cause yo...

Страница 11: ...e board and perform the following steps 1 Hold the DDR2 module so that the key of the DDR2 module aligned with that on the memory slot 2 Gently push the DDR2 module in an upright position until the clips of the slot close to hold the DDR2 module in place when the DDR2 module touches the bottom of the slot 3 To remove the DDR2 module press the clips with both hands DDR2 Module Lock Lock Lock Lock 7...

Страница 12: ... connectors on 2807950 and their respective functions Jumper Locations on 2807950 9 JP5 LCD Panel Power Selection 10 JP9 PCI PCIE Riser Card Selection 10 JBAT1 Clear CMOS Setting 10 JP8 CompactFlash Slave Master Selection 10 IMPORTANT NOTE When the system boots without the CRT being connected there will be no image on screen when you insert the CRT VGA cable To show the image on screen the hotkey ...

Страница 13: ...Locations on 2807950 Jumpers on 2807950 Page JP5 LCD Panel Power Selection 10 JP9 PCI PCIE Riser Card Selection 10 JBAT1 Clear CMOS Setting 10 JP8 CompactFlash Slave Master Selection 10 9 2807950 User s Manual ...

Страница 14: ...5V JP9 PCI PCIE Riser Card Selection JP9 Riser Card IP390 Riser Card Install IP151 IP240 Riser Card Install JBAT1 Clear CMOS Setting JBAT1 Setting Normal Clear CMOS JP8 CompactFlash Slave Master Selection JP8 CF Setting Master Slave 10 2807950 User s Manual ...

Страница 15: ...COM2 Selection 19 J2 COM2 Serial Port 20 J3 J4 LVDS Connectors 1st channel 2nd channel 20 J5 LCD Backlight Connector 20 J7 Mini PCI Connector 20 CN8 CN9 SATA Connectors 20 J8 Digital I O 21 J9 CD In Pin Header 21 J10 SPI Flash Connector factory use only 21 J11 1394 Connector 21 J12 Front Audio Connector 21 J13 PCI E x1 Slot 21 J14 IrDA Connector 22 J15 Compact Flash Connector 22 PCI1 PCI Slot supp...

Страница 16: ...Connector Locations on 2807950 12 2807950 User s Manual ...

Страница 17: ...2807950 Solder Side 13 2807950 User s Manual ...

Страница 18: ...GND 3 3 GND 5V 4 4 5V Keyboard clock 5 5 Mouse clock N C 6 6 N C CN2 CN3 COM1 and VGA Connector Signal Name Pin Pin Signal Name DCD 1 6 DSR RXD 2 7 RTS TXD 3 8 CTS DTR 4 9 RI GND 5 10 Not Used Signal Name Pin Pin Signal Name Red 1 2 Green Blue 3 4 N C GND 5 6 GND GND 7 8 GND N C 9 10 GND N C 11 12 N C HSYNC 13 14 VSYNC NC 15 14 2807950 User s Manual ...

Страница 19: ...SB3 4 Ports CN7 Audio Connector FAN1 System Fan Power Connector FAN1 is a 3 pin header for system fans The fan must be a 12V 500mA Pin Signal Name 1 Ground 2 12V 3 Rotation detection FAN2 CPU Fan Power Connector FAN2 is a 3 pin header for the CPU fan The fan must be a 12V fan Pin Signal Name 1 Ground 2 12V 3 Rotation detection 15 2807950 User s Manual ...

Страница 20: ...st IOW 23 24 Ground Host IOR 25 26 Ground IOCHRDY 27 28 Host ALE DACK0 29 30 Ground IRQ14 31 32 No connect Address 1 33 34 No connect Address 0 35 36 Address 2 Chip select 0 37 38 Chip select 1 Activity 39 40 Ground FDD1 Floppy Drive Connector FDD1is a slim 26 pin connector and will support up to 2 88MB FDD Signal Name Pin Pin Signal Name VCC 1 2 INDEX VCC 3 4 DRV_SEL VCC 5 6 DSK_CH NC 7 8 NC NC 9...

Страница 21: ...or system indicators that provide light indication of the computer activities and switches to change the computer status J1 is a 20 pin header that provides interfaces for the following functions Hard Disk Drive LED Reset Switch Not Defined ATX Power On Switch Not Defined Power LED Speaker Speaker Pins 1 4 This connector provides an interface to a speaker for audio tone generation An 8 ohm speaker...

Страница 22: ...o power on When pressed again it will force the system to power off Reset Switch Pins 9 and 19 The reset switch allows the user to reset the system without turning the main power switch off and then on again Orientation is not required when making a connection to this header Hard Disk Drive LED Connector Pins 10 and 20 This connector connects to the hard drive activity LED on control panel This LE...

Страница 23: ...able describes the jumper settings for COM2 selection COM2 Function RS 232 RS 422 RS 485 Jumper Setting pin closed JP3 1 2 JP2 3 5 4 6 JP1 3 5 4 6 JP3 3 4 JP2 1 3 2 4 JP1 1 3 2 4 JP3 5 6 JP2 1 3 2 4 JP1 1 3 2 4 COM2 is jumper selectable for RS 232 RS 422 and RS 485 Pin Signal Name RS 232 R2 422 RS 485 1 DCD TX DATA 2 RX TX DATA 3 TX RX NC 4 DTR RX NC 5 Ground Ground Ground 6 DSR RTS NC 7 RTS RTS N...

Страница 24: ...ors 1st channel 2nd channel The LVDS connectors on board consist of the first channel J3 and second channel J4 and supports 18 bit or 36 bit Signal Name Pin Pin Signal Name TX0 2 1 TX0 Ground 4 3 Ground TX1 6 5 TX1 5V 3 3V 8 7 Ground NA 10 9 NA TX2 12 11 TX2 Ground 14 13 Ground TXC 16 15 TXC 5V 3 3V 18 17 ENABKL 12V 20 19 12V J5 LCD Backlight Connector Pin Signal Name 1 12V 2 Backlight Enable 3 Gr...

Страница 25: ...2 Ground 3 Ground 4 CD Audio L J10 SPI Flash Connector factory use only J11 1394 Connector Signal Name Pin Pin Signal Name TPA 1 2 TPB TPA 3 4 TPB 12V 5 6 NC GND 7 8 NC J12 Front Audio Connector Signal Name Pin Pin Signal Name MIC2_L 1 2 Ground MIC2_R 3 4 Presence Line2_L 5 6 MIC2_ID Sense 7 8 NC Line2_R 9 10 Line2_ID J13 PCI E x1 Slot 21 2807950 User s Manual ...

Страница 26: ...ND SDVOC CLK A7 B7 SDVOC CLK SDVOC Blue A8 B8 SDVOC Blue GND A9 B9 GND SDVOC Green A10 B10 SDVOC Green SDVOC Red A11 B11 SDVOC Red GND A12 B12 GND SDVO TVClkIn A13 B13 SDVO TVClkIn SDVOB Int A14 B14 SDVOB Int GND A15 B15 GND SDVO CtrlData A16 B16 SDVO CtrlClk SDVOB Clk A17 B17 SDVOB Clk GND A18 B18 GND SDVOB Blue A19 B19 SDVOB Blue SDVOB Green A20 B20 SDVOB Green GND A21 B21 GND SDVOB Red A22 B22 ...

Страница 27: ...ight Setting Pin Signal Name 1 12V 2 Backlight Enable 3 Ground 3901080 J3 and J2 1 st 2 nd LVDS Channel Connectors Signal Name Pin Pin Signal Name TX0 2 1 TX0 Ground 4 3 Ground TX1 6 5 TX1 5V 3 3V 8 7 Ground TX3 10 9 TX3 TX2 12 11 TX2 Ground 14 13 Ground TXC 16 15 TXC 5V 3 3V 18 17 ENABKL 12V 20 19 12V 23 2807950 User s Manual ...

Страница 28: ...01220 J4 VGA Connector Signal Name Pin Pin Signal Name 5V 2 1 RED Ground 4 3 GREEN N C 6 5 BLUE SDA 8 7 N C HSYNC 10 9 Ground VSYNC 12 11 Ground SCL 14 13 Ground N C 16 15 Ground 24 2807950 User s Manual ...

Страница 29: ...ignal Name TDC1 2 1 TDC1 Ground 4 3 Ground TLC 6 5 TLC 5V 8 7 Ground NC 10 9 HPDET TDC2 12 11 TDC2 Ground 14 13 Ground TDC0 16 15 TDC0 NC 18 17 NC DDC_SC 20 19 DDC_SD Remarks When using dual DVI the first DVI video output is through J1 After setting the drivers in Windows then the second DVI output via J2 will function 3901090 and 3901100 are different since the latter 3901100 has video output via...

Страница 30: ...INSTALLATIONS This page is intentionally left blank 26 2807950 User s Manual ...

Страница 31: ...d Controller 070h 07Fh Real Time Clock NMI 080h 09Fh DMA Page Register 0A0h 0BFh Interrupt Controller 2 0C0h 0DFh DMA Controller 2 0F0h Clear Math Coprocessor Busy Signal 0F1h Reset Math Coprocessor 1F0h 1F7h IDE Interface 278 27F Parallel Port 2 LPT2 2F8h 2FFh Serial Port 2 COM2 2B0 2DF Graphics adapter Controller 378h 3FFh Parallel Port 1 LPT1 360 36F Network Ports 3B0 3BF Monochrome Printer ada...

Страница 32: ...y the devices on board Level Function IRQ0 System Timer Output IRQ1 Keyboard IRQ2 Interrupt Cascade IRQ3 Serial Port 2 IRQ4 Serial Port 1 IRQ5 Reserved IRQ6 Floppy Disk Controller IRQ7 Parallel Port 1 IRQ8 Real Time Clock IRQ9 Reserved IRQ10 Reserved IRQ11 Reserved IRQ12 PS 2 Mouse IRQ13 80287 IRQ14 Primary IDE IRQ15 Secondary IDE 28 2807950 User s Manual ...

Страница 33: ...RMATION IS PROVIDED AS IS WITHOUT WARRANTY OF ANY KIND EITHER EXPRESSED OR IMPLIED INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF MERCHANTABILITY AND OR FITNESS FOR A PARTICULAR PURPOSE include stdio h include stdlib h include W627EHF H int main int argc char argv void copyright void void EnableWDT int void DisableWDT void int main int argc char argv unsigned char bBuf unsigned char bTime ...

Страница 34: ...EHF_Reg 0x2D bBuf 0x01 Set_W627EHF_Reg 0x2D bBuf Enable WDTO Set_W627EHF_LD 0x08 switch to logic device 8 Set_W627EHF_Reg 0x30 0x01 enable timer bBuf Get_W627EHF_Reg 0xF5 bBuf 0x08 Set_W627EHF_Reg 0xF5 bBuf count mode is second Set_W627EHF_Reg 0xF6 interval set timer void DisableWDT void Set_W627EHF_LD 0x08 switch to logic device 8 Set_W627EHF_Reg 0xF6 0x00 clear watchdog timer Set_W627EHF_Reg 0x3...

Страница 35: ...627EHF_BASE 0x2E result W627EHF_BASE ucDid Get_W627EHF_Reg 0x20 if ucDid 0x88 goto Init_Finish W627EHF_BASE 0x4E result W627EHF_BASE ucDid Get_W627EHF_Reg 0x20 if ucDid 0x88 goto Init_Finish W627EHF_BASE 0x00 result W627EHF_BASE Init_Finish return result void Unlock_W627EHF void outportb W627EHF_INDEX_PORT W627EHF_UNLOCK outportb W627EHF_INDEX_PORT W627EHF_UNLOCK void Lock_W627EHF void outportb W6...

Страница 36: ...IS WITHOUT WARRANTY OF ANY KIND EITHER EXPRESSED OR IMPLIED INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF MERCHANTABILITY AND OR FITNESS FOR A PARTICULAR PURPOSE ifndef __W627EHF_H define __W627EHF_H 1 define W627EHF_INDEX_PORT W627EHF_BASE define W627EHF_DATA_PORT W627EHF_BASE 1 define W627EHF_REG_LD 0x07 define W627EHF_UNLOCK 0x87 define W627EHF_LOCK 0xAA unsigned int Init_W627EHF void ...

Страница 37: ...ct with us We will do our best to support your products projects and business Address Global American Inc 17 Hampshire Drive Hudson NH 03051 Telephone Toll Free U S Only 800 833 8999 603 886 3900 FAX 603 886 4545 Website http www globalamericaninc com Support Technical Support at Global American 2807950 User s Manual ...

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