PInebox Connector pin designations list CN110 Inter-board connection ribbon/connector (LOWER AND UPPER) (to CN305) Pin Signal (Dir) Note 1 LED "Low Battery" K ToLower 3 LED "SDCard Activity" A ToLower 5 LED "Memstk Activity" A ToLower 7 LED "WiFi Activity" A ToLower 9 LED "RJ45Net Activity"A ToLower 11 Switch "-RPI Reset" ToUpper Grounded to reset PI ("Run Link") 13 Switch "-CaseClose" ToUpper Grounded when case closed: Sense only, non current carrying! (See p15 instead) 15 Powersave Drive ToLower Taken low to cut power to both switched 5V rails 17 GPIO In "-ExtPower" ToUpper Taken low when unit is on external power 19 GPIO In "-PwrBut" ToUpper Taken low when power button pressed 21 GPIO Out "PFO" ToLower Send Low Frequency wave to trigger power off after delay 23 LIRC TX ToUpper Selected RPi GPIO for LIRC drive, or float 25 LIRC RX ToLower Selected RPi GPIO from LIRC, or float 2 +18V BATT ToUpper +14V to +28V from Battery (all times, even if charging *) 4 +5V/2 PI ToUpper +5.25V Prot Output - on when PI is on (when power on) 6 +5V/2 PI ToUpper 8 +5V/3 Switched ToUpper +5.25V Powersaved for USB Hub/Flash/etc (when power on+case open) 10 +5V/3 Switched ToUpper 12 +3V3 ToUpper Regenerated 3V3 (250ma Total) (when power on) 14 Audio Out L (USB) ToLower Audio from USB dongle output to line out 16 Audio Out R (USB) ToLower 18 Audio Out L (HDMI) ToLower Audio from HDMI Pi to headphone/speakers 20 Audio Out R (HDMI) ToLower 22 0V 24 0V 26 0V * If on external power, battery charger will provide 300ma (50ma trickle) into this rail in addition to battery. CN101 Battery Pack 1 Bat + (19v) Input Supply from battery 2 Bat - (0v) N/A Supply from battery CN102 Charger Interconnect (and CN207, tethered, reverse sense) 1 EXT +12v Output Feed to charger 2 +29V Input Raw output from DCDC Converter as volt rail 3 BAT_CHRG Input Current limited feed to charge battery 4 LED_CHRG_K Input LED Drive for "charging" LED PAD101,102 (Tethered) Power Isolate 1 Switch In Output Battery/Charger Rail 2 Switch Out Input Supply to circuit CN103 DC-DC Buck Module 1 +5.3V Out Input 5.3V Supply from module 2 VAdj N/A Adjustment resistor to lift fixed 5V 3 0V N/A Ground 4 -ShutDown Output Adjustment resistors for UVLO/Shutdown feature 5 DC-DC Vin Output Supply to module CN104 Speaker L 1 Spkr + Output Drive to left speaker 2 Spkr -/Ov Output CN105 Speaker R 1 Spkr + Output Drive to right speaker 2 Spkr -/0V Output CN106 Serial Extension (CN203 tethered, reverse sense) 1 RX Output RS232 levels to/from converter 2 TX Input CN107 Keyboard Connector A (to CN401 reverse senses, tethered) 1 +5V/Power On Output LED "Power On" drive/power rail 2 LED "Low Battery" K Output LED "Low Battery" drive 3 LED "Ext Power" A Output LED "Ext Power" drive 4 LED "Charging" A Output LED "Charging" drive 5 LED "Charging" K Output LED "Charging" drive 6 Switch "-Power" Input Taken low to power on/off/halt/suspend 7 Switch "-RPI Reset" Input Taken low to force reboot 8 Switch "-Case Closed" Input Taken low when case closed 9 Powersave Switched Gnd Output Grounded via transistor, *unless* powersave mode (use for LED blanking) 10 0V N/A Fixed ground CN108 Keyboard Connector B (to CN402 reverse senses, tethered) 1 LED "SDCard Activity" A Output LED "SDCard Activity" drive 2 LED "Memstk Activity" A Output LED "Memstick Activity" drive 3 LED "WiFi Activity" A Output LED "Wifi Activity" drive 4 LED "RJ45Net Activity"A Output LED "RJ45 Activity" drive 5 SPARE N/A Spare Way PAD401-402 (tethered) Case Closed reed switch off board CN109 RPi IO Pass Through Connector (to CN204 reverse senses, tethered) 1 LIRC TX Input Selected RPi GPIO for LIRC drive, or float 2 LIRC RX Output Selected RPi GPIO from LIRC, or float 3 Ov/Spare N/A Fixed Ground/Spare Way 4 +5V/2 PI Output Regenerated +5.25V Prot Output (when power on) for ext boards 5 +3V3 Output Regenerated 3V3 (250ma Total) (when power on) for ext boards 6 0v N/A Fixed Ground Power Tails PAD103,104 Tethered PI_5V/PI_GND Protected 5v rail for raspberry pi (micro USB tail) PAD105,106 Tethered USBHUB_5V/USBHUB_GND Switched 5v rail for USB Hub, Keyboard, Mouse, External USB devices (mini DC Jack) PAD107,108 Tethered HDMIPI_5V/HDMIPI_GND Switched 5v rail for HDMI PI scren (micro USB tail) PAD301-303,304-305 PI Pickup Lead/Connector (tethered) 1 Net "Green" PP22: Input Tap off LED On RPI 2 Net "Yellow" PP23: Input Tap off LED On RPI 3 SD Activity PP13: Input Tap off LED On RPI 4 i2c da BiDir Tap off GPIO Pin on RPI 5 i2c cl BiDir Tap off GPIO Pin on RPI PAD307 Memstick Pickup Lead/Connector (tethered) 1 Memstick LED Input Tap off LED on MEMSTICK PAD306 WIFI Pickup Lead/Connector (tethered) 1 WIFI LED Input Tap off LED on WIFI PAD 316-320 Spare DIO/ADC (not used) 1 DIO BiDir Spare D7 GPIO 2 DAC Output Spare DAC out 3 ADC1 Input Spare ADC Mux 1 in 4 ADC2 Input Spare ADC Mux 2 in 5 ADC3 Input Spare ADC Mux 3 in CN301 Camera Direction (to CN406 reverse senses, tethered) 1 +5v/2 Output Rail for pullup resistors 2 Enable/Disable Input Cam operated switch 3 Front/Rear Input Cam operated switch Other: PAD403-406 (tethered) 2 x NC (1PB) Microswitches for camera direction, offboard. CN303 Flash Front (to CN404 reverse sense, tethered) 1 +5v/3 Output Supply Rail to LED A's 2 LED Drive F K Output Return from LED K's and series R's CN302 Flash Rear (to CN405, reverse sense, tethered) 1 +5v/3 Output Supply Rail to LED A's 2 LED Drive R K Output Return from LED K's and series R's CN304 LIRC (to CN403 reverse senses, tethered) 1 +3v3 Output 3V3 supply for RX 2 LIRC_RX Input Received data from RX 3 LIRC_TX LED_A Output IR TX LED pair A 4 LIRC_TX LED_K Output IR TX LED pair K 5 0v N/A Ground rail for RX PAD308,309 PI Reset (tethered) 1 RPI Reset Output Flying lead to Pi "RUN" connector 2 Ov N/A Ground PAD 310,311,312 Audio USB (tethered) 1 Audio L Input Audio from USB Soundcard 2 Audio R Input 3 GND N/A PAD 313,314,315 Audio HDMI (tethered) 1 Audio L Input Audio from HDMI PI screen 2 Audio R Input 3 GND N/A CN201 RPI GPIO in CN202 RPI_GPIO_out CN205 1 Thermistor Input Temperature sensor 2 Thermistor Input Temperature sensor CN206 DC-DC Boost Module 1 V Out (29V) Input 29v source for charger circuit 2 0V N/A 3 V In (8-20v) Output External power supply