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@@ -11,25 +11,4 @@ For the XpressK7 there will always be two version (black), one -**160** and one
-``bram_rd53a_quad_ohio-XXX/rd53a_quad_ohio_160Mbps.bit`` => Single RD53A channel enabled on Port A
-``bram_rd53a_quad_ohio-XXX/rd53a_quad_ohio_160Mbps_4chip.bit`` => To enable all four channels.
-``bram_rd53a_quad_ohio-XXX/rd53a_quad_ohio_160Mbps_2chip2trig.bit`` => To enable two channels for chip readout and two channels for HitOr (to be added).
- In order to power correctly the adapter card, a jumper needs to be added to **3V PCI** pin, as shown on picture below.

When the board is powered correctly, a red LED should light up. More information about the adapter card can be found [Multi Chip Adapter Card](https://twiki.cern.ch/twiki/bin/viewauth/RD53/RD53ATesting#Multi_Chip_FMC).
On a SCC [Single Chip Card](https://twiki.cern.ch/twiki/bin/viewauth/RD53/RD53ATesting#RD53A_Single_Chip_Card_SCC) the CMD line is AC coupled. On the older Ohio card (before 2019 and serial number < 200) there is additional AC coupling as shown on the picture. This is corrected for the newer Ohio cards from 2019 on with serial number starting from 200.
Details can be found in the [Yarr-FW](https://github.com/Yarr/Yarr-fw/blob/master/syn/xpressk7/README.md). The following will describe the simplest way:
- Execute the ``flash.py`` python script:
- Execute the ``flash.py`` python script if you use the XpressK7 and the ``flash-trenz.py`` id you are using the Trenz card:
```bash
$ cd Yarr-fw/script
$ python flash.py
...
...
@@ -133,3 +133,28 @@ Success! No errors.
- Your system is now ready to use
## Adapter Cards
### Ohio RD53A Multi Module Adapter
- In order to power correctly the adapter card, a jumper needs to be added to **3V PCI** pin, as shown on picture below.

When the board is powered correctly, a red LED should light up. More information about the adapter card can be found [Multi Chip Adapter Card](https://twiki.cern.ch/twiki/bin/viewauth/RD53/RD53ATesting#Multi_Chip_FMC).
On a SCC [Single Chip Card](https://twiki.cern.ch/twiki/bin/viewauth/RD53/RD53ATesting#RD53A_Single_Chip_Card_SCC) the CMD line is AC coupled. On the older Ohio card (before 2019 and serial number < 200) there is additional AC coupling as shown on the picture. This is corrected for the newer Ohio cards from 2019 on with serial number starting from 200.