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Internal Connector Pin Assignment 

 
JPWR1 

 

Pin 

Signal 

GND 

GND 

DC Power 

DC Power 

 
JPWR2 

 

Pin 

Signal 

VCC5 

GND 

GND 

12V 

 
 
JCI1 

 

Pin 

Signal 

CINTRU 

GND 

 
 

 
 
 
 
 
 
 

Summary of Contents for MX255D

Page 1: ...y to explode 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...

Page 2: ...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...

Page 3: ...SYSFAN1 Fan Power Connector JGPIO1 GPIO Pin header JFP1 Front Panel Pin header JUSB1 Front USB Pin header JUSB2 Front USB Pin header JLPT1 Parallel port connector COM3 Serial Port Connector COM4 Seria...

Page 4: ...4 Internal Connector Pin Assignment JPWR1 Pin Signal 1 GND 2 GND 3 DC Power 4 DC Power JPWR2 Pin Signal 1 VCC5 2 GND 3 GND 4 12V JCI1 Pin Signal 1 CINTRU 2 GND...

Page 5: ...5 SATA1 SATA2 Pin Signal Name 1 GND 2 TX 3 TX 4 GND 5 RX 6 RX 7 GND JAMP1 Pin Signal 1 AMP_L 2 AMP_L 3 AMP_R 4 AMP_R CPUFAN1 SYSFAN1 Pin Signal 1 Ground 2 12V 3 Sensor 4 Control...

Page 6: ...GND 6 KBCLK_PH 5 MSCLK_ H 4 KBDAT_PH 3 MSDAT_PH 2 KBMS_Power 1 KBMS_Power JGPIO1 Pin Signal Name Signal Name Pin 12 KEY GND 11 10 GPIO OUPUT 3 GPIO INPUT 3 9 8 GPIO OUPUT 2 GPIO INPUT 2 7 6 GPIO OUPUT...

Page 7: ...Name Pin 1 HDD_LED Power_LED 2 3 HDD_LED Power_LED 4 5 RESET_SW Power_SW 6 7 RESET_SW Power_SW 8 9 Reserved No Pin 10 JUSB1 JUSB2 Pin Signal Name Pin Signal Name 1 VCC 2 VCC 3 USB0 4 USB1 5 USB0 6 US...

Page 8: ...TXT 4 DTR 5 GND 6 DSR 7 RTS 8 CTS 9 VCC_COM JINV1 Pin Signal 1 12V 2 GND 3 LVDS_BLON 4 L_BKLT CTRL 5 VCC5 JAUD1 Pin Signal Name Pin Signal Name 1 MIC L 2 GND 3 MIC R 4 PRESENCE 5 HEAD PHONE R 6 MIC DE...

Page 9: ..._VDDEN 15 LBKTL_EN_C 16 GND 17 LVDSA_DATA 0 18 LVDSA_DATA0 19 LVDSA_DATA 1 20 LVDSA_DATA1 21 LVDSA_DATA 2 22 LVDSA_DATA2 23 LVDSA_CLK 24 LVDSA_CLK 25 LVDSA_DATA 3 26 LVDSA_DATA3 27 GND 28 GND 29 LVDSB...

Page 10: ...IN GREEN LINE OUT PINK MIC IN LAN1 LAN2 RJ 45 USB Port 0 1 Connector Pin Signal Pin Signal 1 VCC 12 Yellow LED 2 D0 13 Green LED 3 D0 14 Orange LED 4 D1 U1 USB_PWR 5 D1 U2 USB_N0 6 D2 U3 USB_P0 7 D2 U...

Page 11: ...DTR Data terminal ready 5 GND ground 6 DSR Data set ready 7 RTS Request to send 8 CTS Clear to send 9 RI Ring indicator PS KBMS1 Internal PS 2 Keyboard Mouse Pin Signal Name Pin Signal Name 1 KB_DATA...

Page 12: ...1 2 Default Keep CMOS 2 3 Clear CMOS JAT1 AT ATX SELECT JUMPER 2 3 1 Jumper Status 1 2 Default AT POWER 2 3 ATX POWER JCOMP1 JCOMP2 POWER JUMPER 2 3 1 Jumper Status 1 2 Default 5V 2 3 12V J2 LVDS POWE...

Page 13: ...13 Motherboard Layout...

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