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# Assembly
## Before you start
Read through all instructions before starting.
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## Videos
The community has created a few assembly videos:
* [Stephen Arsenault - BlueSCSI Kit Assembly ](https://www.youtube.com/watch?v=G6lwCfLQwd8 ) 2:52
* [Joe's Computer Museum - A New Challenger - BlueSCSI - #MARCHintosh Review ](https://www.youtube.com/watch?v=d_8VVmvvlNI ) 26:52
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## Building
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1. Solder on the surface mount SD Card holder. Use the [Drag Solder ](https://youtu.be/Z_KL4fWOMug ) technique.
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- Once on, check continuity of all connections. Fixing this after the BluePill is on will be difficult.
- Ensure the SD card fits and you dont have too much solder on the sides or contacts
2. Solder the dioeds to the **bottom** of the board. Be sure they are flush as possible to the bottom.
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3. Solder the header pins on to the BluePill. Then BluePill pill to the BlueSCSI PCB.
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- Correct orientation is having the USB connector of the BluePill should be over the SD Card holder.
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4. Solder on the resistor nets. Pin one is marked on the board and the resistors.
- 220 RNETS (`RN1` & `RN3` ) are closest to the BluePill
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- Note PIN one on each - they are opposite of eachtoher. See photo.
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- 330 RNETS (`RN2` & `RN4` ) are furthest from the BluePill
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- Note PIN one on each - they are opposite of eachtoher. See photo.
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5. Solder on the Termination Jumpers & place the jumpers on to enable Termiation
6. Solder the 50 Pin headers on.
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1. Note Pin 1 and Box header on the silk screen.
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7. Optional - Solder on the berg connector. Only needed if your machine does not supply enough power via the SCSI bus.
8. Optional - Solder on the debug headers near the SD card. Only nessissarry if re-programming.
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### Fully Assembled
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### Version 1.0-b & 1.0-c BOM
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STM32F103C8T6 (U1) aka BluePill board. Beware of fake/scams. Look for reviews. Amazon, ebay, etc.
* 2x 330 (RN2, RN4) Resistor nets https://www.mouser.com/ProductDetail/652-4610X-1LF-330
* 2x 220 (RN1, RN3) Resistor nets https://www.mouser.com/ProductDetail/652-4610X-1LF-220
* 2x Diodes https://www.mouser.com/ProductDetail/583-1N5818-T
* SD Card Holder (J1) https://www.mouser.com/ProductDetail/538-104031-0811
* Headers https://www.mouser.com/ProductDetail/872-920-0011-01
* 50 PIN SCSI header https://www.mouser.com/ProductDetail/517-30350-6002/
- May substitute with 2 rows of headers from above.
- **Note on Right angle connectors** - it appears Right angle headers are notched differently then the pin out. Be sure to note PIN 1/red stripe on the cable match up.
### Optional
Floppy/Berg Power header https://www.mouser.com/ProductDetail/571-1718254
- Required if your machine does not supply power via TERM POWER. For example a Mac Plus or Mac with a Analog/PSU board that has not been recapped.
