radxa-docs · Milir-Radxa · Jul 24, 2026 · Jul 24, 2026 · Jul 24, 2026
@@ -25,11 +25,11 @@ SPI Nor Flash 存储引导程序。NVME 固态硬盘存储整个系统镜像（
 
 - 关闭 ROCK 5T 电源，SD 卡、NVMe SSD
 - 按住 MASKROOM 按钮 [（标签 32）](./hardware-design/hardware-interface)
-- 使用 USB A to C 电缆将 ROCK 5T USB C 接口插入电脑然后接上 DC 12V 适配器，绿色 LED 灯应亮起
+- 使用 USB A to C 电缆将 ROCK 5T USB C 接口插入电脑然后接上 DC 12V 适配器（支持 9-20V 输入，推荐 12V），绿色 LED 灯应亮起
 - 检查电脑 "设备管理器 "中是否有新的 USB 设备，如果有，说明 ROCK 5T 已激活。如果没有，请尝试其他 USB 端口，我们建议将 ROCK 5T 连接到电脑的后面板。
 
 :::note 供电说明
-ROCK 5T 由 DC 12V 适配器（或 PoE）供电，板上的 USB Type-C 接口仅用于 OTG/数据/进入 Maskrom 模式，不会为板子供电。因此在排查能否启动时，需要先确保 DC 12V 适配器已经接入。
+ROCK 5T 由 DC 12V 适配器（或 PoE）供电（实际支持 9-20V 输入，推荐 12V），板上的 USB Type-C 接口仅用于 OTG/数据/进入 Maskrom 模式，不会为板子供电。因此在排查能否启动时，需要先确保 DC 适配器已经接入。
 :::
 
 ## Q6： 我的 ROCK 5T HDMI 不能显示任何内容

@@ -18,12 +18,12 @@ sidebar_position: 3
 
 - 主板：瑞莎 ROCK 5T
 - 系统启动介质：microSD 卡
-- 电源适配器：标准 DC 12V/2A 电源适配器（DC-5525 接口）
+- 电源适配器：标准 DC 12V/2A 电源适配器（DC-5525 接口；支持 DC 9-20V 输入，推荐 12V）
 
 我们需要基于 microSD 卡启动主板系统，进入主板系统后下载系统镜像文件，然后使用 `dd` 命令将系统镜像写入 eMMC。
 
 :::tip 推荐配件
-瑞莎 ROCK 5T 仅支持 12V 电源输入，建议电流 2A 及以上，以确保所有外设稳定运行。
+瑞莎 ROCK 5T 支持 DC 9-20V 电源输入（推荐 12V），建议电流 2A 及以上，以确保所有外设稳定运行。
 
 - [瑞莎 DC12 36W电源适配器](https://radxa.com/products/accessories/power-dc12-36w)(推荐使用)
 - [瑞莎 DC12 60W电源适配器](https://radxa.com/products/accessories/power-dc12-60w)

@@ -11,7 +11,7 @@ imports_resolve_to:
 
 import NVME from '../../../../common/dev/\_nvme.mdx';
 
-<NVME model="rock-5t" release_num="b2" desktop="kde" rsetup_path="../../radxa-os/rsetup" etcher_path="./boot_from_sd_card" download_path="../../download" pwr="DC 12V" />
+<NVME model="rock-5t" release_num="b2" desktop="kde" rsetup_path="../../radxa-os/rsetup" etcher_path="./boot_from_sd_card" download_path="../../download" pwr="DC 9-20V（推荐 12V）" />
 
 :::tip
 系统从上电到开机启动，整个过程持续约 53 秒，然后进入系统桌面。

@@ -131,7 +131,7 @@ ROCK 5T/5T-Industrial 提供了完整的硬件设计原理图和软件源代码
     </tr>
     <tr>
         <td align="center">供电</td>
-        <td colspan="2" align="center">支持 DC 12V 的电源适配器<br/>支持向 GPIO PIN 2 和 4 提供 5V 电源</td>
+        <td colspan="2" align="center">支持 DC 9-20V 的电源适配器<br/>支持向 GPIO PIN 2 和 4 提供 5V 电源</td>
     </tr>
     <tr>
         <td align="center">尺寸</td>

@@ -7,7 +7,7 @@ description: "ROCK 5T 的供电详情"
 
 ROCK 5T 支持以下供电：
 
-- DC 12V 适配器
+- DC 9-20V 适配器
 
 - 5V 电源应用于 GPIO PIN 2 和 4
 

@@ -13,7 +13,7 @@ ROCK 5T 标准包装包括以下物品：- ROCK 5T 主板 - Wi-FI 天线
 
 要启动 ROCK 5T，您还需要一下设备：
 
-- 一个充电器(推荐使用 DC 12V)。ROCK 5T 还支持 PoE 供电。
+- 一个充电器(支持 DC 9-20V 输入，推荐 12V)。ROCK 5T 还支持 PoE 供电。
 - 一个 HDMI 线和一个支持 HDMI 的显示器，推荐分辨率为 1080P 或更高，4K / 8K 显示器将提供最佳体验。
 - 一套 USB 鼠标和键盘，常见的 USB 输入设备均支持即插即用。
 - 一根网线，更新系统时需要联网。

@@ -12,12 +12,12 @@ sidebar_position: 1
 
 - 主板：瑞莎 ROCK 5T
 - 系统启动介质：microSD 卡
-- 供电设备：标准 DC 12V/2A 电源适配器（DC-5525 接口）
+- 供电设备：标准 DC 12V/2A 电源适配器（DC-5525 接口；支持 DC 9-20V 输入，推荐 12V）
 - 显示设备：显示器和 HDMI 数据线
 - 输入设备：键盘和鼠标（用于图形界面操作）
 
 :::tip 推荐配件
-瑞莎 ROCK 5T 支持 12V 电源输入，建议电流 2A 及以上，以确保所有外设稳定运行。
+瑞莎 ROCK 5T 支持 DC 9-20V 电源输入（推荐 12V），建议电流 2A 及以上，以确保所有外设稳定运行。
 
 - [瑞莎 DC12 36W电源适配器](https://radxa.com/products/accessories/power-dc12-36w)(推荐使用)
 - [瑞莎 DC12 60W电源适配器](https://radxa.com/products/accessories/power-dc12-60w)
@@ -135,4 +135,4 @@ sidebar_position: 1
 
 ## 启动系统
 
-完成系统的写入后，将 microSD 卡安装到 ROCK 5T 的 microSD 卡槽中，然后使用 12V DC 电源适配器给 ROCK 5T 供电，即可启动系统。
+完成系统的写入后，将 microSD 卡安装到 ROCK 5T 的 microSD 卡槽中，然后使用 DC 12V 电源适配器（支持 9-20V 输入，推荐 12V）给 ROCK 5T 供电，即可启动系统。
@@ -25,11 +25,11 @@ Follow the steps below to troubleshoot ROCK 5T:
 
 - Power off the ROCK 5T and remove the eMMC module, SD card, and NVMe SSD.
 - Press and hold the MASKROOM button [(tag 32)](. /hardware-design/hardware-interface)
-- Plug the ROCK 5T USB C connector into the computer using the USB A to C cable, then connect the DC 12V power adapter, the green LED should light up.
+- Plug the ROCK 5T USB C connector into the computer using the USB A to C cable, then connect the DC 12V power adapter (supports DC 9-20V input, 12V recommended), the green LED should light up.
 - Check if there is a new USB device in the computer's Device Manager, if so, the ROCK 5T is active. If not, try another USB port, we recommend connecting the ROCK 5T to the rear panel of your computer.
 
 :::note Power supply note
-The ROCK 5T is powered by a DC 12V adapter (or PoE). The on-board USB Type-C port is only used for OTG/data and entering Maskrom mode; it does NOT power the board. When troubleshooting whether the board can start, make sure the DC 12V adapter is connected first.
+The ROCK 5T is powered by a DC 12V adapter (or PoE). The actual input range is DC 9-20V and 12V is the recommended adapter voltage. The on-board USB Type-C port is only used for OTG/data and entering Maskrom mode; it does NOT power the board. When troubleshooting whether the board can start, make sure the DC adapter is connected first.
 :::
 
 ## Q6： My ROCK 5B HDMI does not display anything!

@@ -18,12 +18,12 @@ You will need the following hardware:
 
 - Board: Radxa ROCK 5T
 - Boot medium: microSD card
-- Power adapter: Standard DC 12V/2A power adapter (DC-5525 interface)
+- Power adapter: Standard DC 12V/2A power adapter (DC-5525 interface; supports DC 9-20V input, 12V recommended)
 
 We will boot the system from the microSD card, download the system image file after entering the system, and then use the `dd` command to write the system image to eMMC.
 
 :::tip Recommended Accessories
-Radxa ROCK 5T only supports 12V power input, and a current of 2A or higher is recommended to ensure stable operation of all peripherals.
+Radxa ROCK 5T supports DC 9-20V power input (12V recommended). A current of 2A or higher is recommended to ensure stable operation of all peripherals.
 
 - [Radxa DC12 36W Power Adapter](https://radxa.com/products/accessories/power-dc12-36w) (Recommended)
 - [Radxa DC12 60W Power Adapter](https://radxa.com/products/accessories/power-dc12-60w)

@@ -11,7 +11,7 @@ imports_resolve_to:
 
 import NVME from '../../../../common/dev/\_nvme.mdx';
 
-<NVME model="rock-5t" release_num="b2" desktop="kde" rsetup_path="../../radxa-os/rsetup" etcher_path="./boot_from_sd_card" download_path="../../download" pwr="DC 12V" />
+<NVME model="rock-5t" release_num="b2" desktop="kde" rsetup_path="../../radxa-os/rsetup" etcher_path="./boot_from_sd_card" download_path="../../download" pwr="DC 9-20V (12V recommended)" />
 
 :::tip
 The entire process of powering up the system and booting it up lasts about 40 seconds before it enters the system desktop.

@@ -132,7 +132,7 @@ ROCK 5T/5T-Industrial provides complete hardware design schematics and software
     </tr>
     <tr>
         <td align="center">Power Supply</td>
-        <td colspan="2" align="center">Supports DC 12V power adapter<br/>Provides 5V power to GPIO PINs 2 and 4</td>
+        <td colspan="2" align="center">Supports DC 9-20V power adapter<br/>Provides 5V power to GPIO PINs 2 and 4</td>
     </tr>
     <tr>
         <td align="center">Size</td>

@@ -7,7 +7,7 @@ description: "Power supply details for ROCK 5T"
 
 The ROCK 5T supports a variety of power supply technologies:
 
-- DC 12V adapter
+- DC 9-20V adapter
 
 - 5V power supply for GPIO PINs 2 and 4
 

@@ -13,7 +13,7 @@ ROCK 5T standard package includes the following items: - ROCK 5B+ motherboard -
 
 To boot up the ROCK 5T, you'll also need the following:
 
-- A charger(DC 12V recommended), positive inside and ground outside. The ROCK 5T also supports PoE power supply. For more details on power supply, please refer to [power-supply](./power-supply).
+- A charger(supports DC 9-20V input, 12V recommended), positive inside and ground outside. The ROCK 5T also supports PoE power supply. For more details on power supply, please refer to [power-supply](./power-supply).
 - An HDMI cable and an HDMI-enabled monitor with a recommended resolution of 1080P or higher, a 4K / 8K monitor will provide the best experience.
 - A set of USB mouse and keyboard, common USB input devices support plug and play.
 - A network cable, you need to connect to the Internet to update your system.

@@ -12,12 +12,12 @@ Prepare the following hardware:
 
 - Board: Radxa ROCK 5T
 - Boot media: microSD card
-- Power supply: DC 12V/2A power adapter (DC-5525)
+- Power supply: DC 12V/2A power adapter (DC-5525; supports DC 9-20V input, 12V recommended)
 - Display: monitor and HDMI cable
 - Input devices: keyboard and mouse (for GUI operation)
 
 :::tip Recommended accessories
-Radxa ROCK 5T supports 12V power input. A power adapter rated at 2A or higher is recommended to ensure stable operation of all peripherals.
+Radxa ROCK 5T supports DC 9-20V power input (12V recommended). A power adapter rated at 2A or higher is recommended to ensure stable operation of all peripherals.
 
 - [Radxa DC12 36W Power Adapter](https://radxa.com/products/accessories/power-dc12-36w) (recommended)
 - [Radxa DC12 60W Power Adapter](https://radxa.com/products/accessories/power-dc12-60w)
@@ -136,4 +136,4 @@ Click `Flash!` to start flashing the OS image to the microSD card.
 
 ## Boot
 
-After flashing, insert the microSD card into the ROCK 5T microSD card slot, then power the board with a 12V DC power adapter to boot the system.
+After flashing, insert the microSD card into the ROCK 5T microSD card slot, then power the board with a DC 12V power adapter (supports DC 9-20V input, 12V recommended) to boot the system.