Cool_Tools/bemanitools
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Remove hardware docs, moved to arcade-docs project

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These didn't really belong to this project to begin with but
didn't find a good home until recently. Already moved to
arcade-docs repository
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icex2 2021-09-12 23:58:28 +02:00
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doc/README.md
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@ -19,8 +19,6 @@ Table of contents:
* [Development](development.md): Development environment, building, releasing, etc.
* [Developer documentation](dev/README.md): Various lose documentation/notes by developers
* [Tools](tools/README.md): Documentation for additional user and development tooling
* Hardware
* [Hardware](hardware/README.md): Anything related to hardware, e.g. IO boards
## Further external documentation

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doc/hardware/bio2-sub-io-turntable-bypass-cable.md
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# BIO2 sub IO turntable bypass cable
If you upgraded a C02 wired cabinet, the turntables are connected to the
sub IO via a serial line that goes to another sub IO behind the front panel
next to the 16seg display. This introduces additional latency as the input
data needs to pass through multiple systems/PCBs until it reaches the game.
This can be reduced by using a so-called "bypass" cable, that connects the
turntables directly to the BIO2 sub IO board by emulating the wiring of a
D01 cabinet, reducing latency significantly.
This cable could be ordered with the IIDX Rootage upgrade kit but can also
be easily created from scratch.
## Parts
* Some wires
* [JST HL](https://jst.de/file/download/219/pitch-3-96-mm-wtw-hl2-pdf) 2x4 pin female connector
* [JST HVQ](https://jst.de/file/download/637/hvq) 8 pin female connector
* Matching terminals for the connectors
## Pinout
```text
JST HL 2x4 pin front view connector
notch at top
___
|---------|
| 1 2 3 4 |
| 5 6 7 8 |
|---------|
```
```
JST HVQ 8 pin front view connector
Numbering on connector matches
notch at top
___________________
-------------------
|-----------------|
| 1 2 3 4 5 6 7 8 |
|-----------------|
```
Pins of the two connectors need to be connected like this:
| JST HL 2x4 pin | JST 8 pin |
|----------------|-----------|
| 1 | 1 |
| 2 | 1 |
| 3 | 3 |
| 4 | 2 |
| 5 | 5 |
| 6 | 4 |
| 7 | 8 |
| 8 | 8 |

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doc/hardware/ezusb-iidx-rj45-to-din8-pinout.md
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# Ezusb 1/2 RJ45 to DIN8 connector pinout
This was created from using the BIO2 sub IO board to connect pre IIDX 25 cabinet hardware to the
BIO2 IO board. The two connector types from different generation IO boards, RJ45 on the ezusb FX
(C02) board and a round DIN8 connector on the ezusb FX2 (IO2) board are just different connectors to
the same hardware on the PCB.
Therefore, any C02 wired cabinet can be easily upgraded to IO2 wiring and vice versa by building
a simple RJ45 -> DIN8 or DIN8 -> RJ45 adapter.
The following connection information was traced on a original Konami BIO2 sub IO board.
RJ45 (female) connector, top view:
```text
plug insert
|
|
v
|-----------|
| Top view |
| |
| Pins |
| 7 5 3 1 |
| 8 6 4 2 |
|-----------|
```
DIN8 (female) connector, top view:
```text
plug insert
|
|
v
|-----------|
| Top view |
| Pins |
| 3 1 2 6 |
| 7 4 5 8 9 |
|-----------|
```
The two connectors are interconnected on the PCB like this:
| RJ45 pins | DIN8 pins |
|-----------|-----------|
| 1 | 1 |
| 2 | 7 |
| 3 | 4 |
| 4 | 6 |
| 5 | 5 |
| 6 | 3 |
| 7 | 2 |
| 8 | 1 |