> ## Knowledge Base Index
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> Use this file to discover available pages before exploring further.
> Pure-Markdown content can be obtained by appending a '.md' suffix to the content URLs listed in the sitemap (without the trailing slash).

# Firmware Guide

## Links to information about each Core/Board

Includes schematics, dimensions, example code, 3D files and more.

## RK3568 img: Mega

https://mega.nz/fm/XEJgVJ6b

## Cartographer:

https://docs.cartographer3d.com/cartographer-probe/installation-and-setup

## Spider Pro:

https://github.com/FYSETC/Spider\_Pro

## SB Combo:

[https://wiki.fysetc.com/SB\_Combo\_V2/](https://wiki.fysetc.com/SB_Combo_V2/)

[https://github.com/FYSETC/SB\_Combo\_V2](https://github.com/FYSETC/SB_Combo_V2)

## Note：
By default, the three motherboard working modes of Venture XL are as follows

## Spider\_Pro: 

USB to CANBUS Bridge Mode, No bootloader, with 120R resistor (the jumper cap next to MCU\_CAN is installed by default)
It provides CAN2, which is used to connect SB\_Combo and Cartographer, hardware link reference here:
klipper configuration is as follows:

![](https://raw.githubusercontent.com/FYSETC/wiki.fysetc/main/docs/images/crisp/venture-xl-firmware-guide--spider-pro-resource.png)


## SB\_Combo: 
CANBUS, 1000000, No bootloader, with 120R resistor (120R jumper pad is enabled by default)
klipper configuration is as follows:

![](https://raw.githubusercontent.com/FYSETC/wiki.fysetc/main/docs/images/crisp/venture-xl-firmware-guide--sb-combo-resource.png)

## Cartographer:
CANBUS, 1000000, without 120R resistor

## Firmware update guides

1. [Firmware Guide - How to update the Spider Pro](https://docs.fysetc.com/en/article/firmware-guide-how-to-update-the-spider-pro-5wm50c/)
2. [Firmware Guide - How to update the CM68 img](https://docs.fysetc.com/en/article/firmware-guide-how-to-update-the-cm68-img-1k3yhc9/)