> For the complete documentation index, see [llms.txt](https://help.boomerang3.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://help.boomerang3.com/bbo-buffer-installation-manual/bbob_production/prepare_sd_card.md).

# Prepare SD card

1. The card to use is 8GB, industry standard Micro SD card (eg. 8GB micro SDHC Industrial C10 A1 pSLC) V10 speed. 

Below are examples of cards that can be used in BBOB.

<figure><img src="https://1482390586-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FegpnAPlZcRY7vPT5SNXz%2Fuploads%2FddueXY6C1HL2Q7ntiUI7%2Fimage.png?alt=media&amp;token=b74969f4-02aa-4c45-848a-af5cfcfd11db" alt=""><figcaption></figcaption></figure>

{% hint style="danger" %}
Please note that higher speed SD cards (V30) cannot be used as BBOB will be unable to read them.
{% endhint %}

<figure><img src="https://1482390586-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FegpnAPlZcRY7vPT5SNXz%2Fuploads%2Fw6EIF7IxjCHda9S91Ma0%2Fimage.png?alt=media&amp;token=5bda795e-c41a-4d13-809c-c7c5e7193222" alt=""><figcaption></figcaption></figure>

BBOB is not able to read such a card, which is why it cannot read the configuration and write data to the buffer. After replacing the card you shall check if BBOB can read the content. You can check this after logging in via PuTTY and checking the contents of the /mnt/sd/ directory.

2. The card must be formatted using <mark style="background-color:red;">exFAT</mark>.
3. Download CP003-0004-BBOB.zip <https://icuscandinavia060.sharepoint.com/:u:/s/Technicalfile/EW7o_9OQSHVEv_w70UIAj1oBkkeHlD4areevm0naAb6beg?e=om7xyD>, unzip the archive content and copy it to root folder on the SD card.

![](https://1482390586-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FegpnAPlZcRY7vPT5SNXz%2Fuploads%2Fgit-blob-0175fa3dc21d28d4eb42d6379f965e475456be26%2Fimage34.png?alt=media)

4. Insert SD card to the BBO Buffer.


---

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