Talk:Notes on using the OLPC developer boards: Difference between revisions

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Connector/LED documentation moved to main article.
All remaining questions are in italics. Please remove the question if you answer it!

==Connectors/LEDs==
* All of these numbers are allocated starting top left corner, allocated in scanline fashion.
* The '''front''' of the board is the side with the VGA connector and the Geode processor.
===Warnings===
* '''Just because it doesn't say it's changing, doesn't mean that it won't change!'''
* Do NOT confuse J1 with CN9! You will fry the audio!
* Do NOT populate both L36 and L37! (see CN23 PS/2 connector).

===Back of board===
{| border="1"
! Code !! Name !! Description and Pinout
|-
| CN1 || JTAG Connector for Marvell wireless chip
|-
| CN2 || Old LCD Connector || Definition changing.
|-
| CN3 || External stereo audio line output (switched)
|-
| CN4 || USB
|-
| CN5 || External mono microphone connector (switched)
|-
| CN6 || USB
|-
| CN7 || USB
|-
| CN8 || Mono right side speaker connector || (Pin 1: Right +, 2: Right -)
|-
| CN9 || Internal stereo speaker connector || (Pin 1: Left -, 2: Left +, 3: Right -, 4: Right +)
|-
| CN10 || No longer exists || (2-pin CN9 and CN10 were combined to 4-pin CN9)
|-
| CN11 || DC input jack || (10V-24V; nominal 12V) Center positive.
|-
| CON1 || Unused large solder pads || (was mini-PCI on pre-A-Test boards)
|-
| D2 || LED. || Definition changing. Same output as D22 (front/back view).
|-
| D3 || LED. || Definition changing. Same output as D21 (front/back view).
|-
| D4 || LED. || Definition changing. Same output as D23 (front/back view).
|}

===Front of board===
{| border="1"
! Code !! Name !! Description and Pinout
|-
| CN12 || CRT for developer boards only
|-
| CON_ANT1 || U.FL connector for left? antenna || ''confirm left?''
|-
| CON_ANT2 || U.FL connector for right? antenna || ''confirm right?''
|-
| CN13 || Wireless interface test points. || Definition changing.
|-
| CN14 || Used for DCON Debugging. || Definition changing.
|-
| CN15 || Internal microphone connector || (Pin 1: Gnd, 2: Audio)
|-
| CN16 || AMD Geode JTAG Connector
|-
| CN17 || Used for DCON Debugging. || Definition changing.
|-
| J1 || Serial port connector. || 3.3V levels. (Pin 1: 3.3V Power, 2: TxD, 3: RxD, 4: Gnd)
|-
| CN18 || CRT/LCD Jumper || 1/3 = CRT, Removed = LCD
|-
| CN19 || Unused and unsoldered jumper.
|-
| CN20 || Used for manufacturing || Serial Flash programming. Requires special fixture.
|-
| CN21 || Battery connector || (Pin 1: Gnd, 2: VBat). Battery is 5-cell NiMH, nominal ~6.0V.
|-
| CN22 || Battery sensor. || Definition changing.
|-
| CN23 || Internal PS/2 Connector<br /> to keyboard & input module || (Pin 1: TP Data, 2: TP Clk, 3: Gnd, 4: KB Data, 5: KB Clk, 6: Power).<br />Power is 5V if L36 populated, 3.3V if L37. L36/L37 located above pin 6.
|-
| D21 || LED. || Definition changing. Same output as D3 (front/back view).
|-
| D22 || LED. || Definition changing. Same output as D2 (front/back view).
|-
| D23 || LED. || Definition changing. Same output as D4 (front/back view).
|}

Revision as of 00:48, 3 July 2006

Connector/LED documentation moved to main article.

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