docs: add M.2 2230 screw specification and installation details for Dragon Q6A

- Add installation steps with 30-degree insertion angle
- Specify M2×3mm screw size and type
- Include recommended installation torque
- Add note about alternative screw if not included in package

Fixes #1115

Author: tangzz-radxa

docs/dragon/q6a/hardware-use/nvme.md

@@ -21,6 +21,21 @@ sidebar_position: 4
 
 将 M.2 M Key 2230 SSD 安装到瑞莎 Dragon Q6A 的 M.2 M Key 2230 卡槽上。
 
+### 安装步骤
+
+1. 将 M.2 2230 SSD 以约 30 度角插入卡槽
+2. 轻轻按下 SSD 使其与卡槽接触良好
+3. 使用 M2×3mm 螺丝将 SSD 固定到主板上
+4. 确保螺丝紧固但不过度用力，避免损坏螺纹
+
+:::note 固定螺丝规格
+- **螺丝尺寸**：M2×3mm（公制螺纹，直径 2mm，长度 3mm）
+- **螺丝类型**：平头十字螺丝
+- **安装扭矩**：建议 0.15-0.2 N·m（1.5-2.0 kgf·cm）
+
+如果包装中未包含 M.2 固定螺丝，可以使用标准 M2×3mm 平头十字螺丝。
+:::
+
 :::tip 接口位置
 可以参考 [硬件信息](./hardware-info) 教程找到对应硬件接口位置
 :::

i18n/en/docusaurus-plugin-content-docs/current/dragon/q6a/hardware-use/nvme.md

@@ -21,6 +21,21 @@ The Radxa Dragon Q6A features an onboard M.2 M Key 2230 slot, ideal for users re
 
 Install the M.2 M Key 2230 SSD into the M.2 M Key 2230 slot on the Radxa Dragon Q6A.
 
+### Installation Steps
+
+1. Insert the M.2 2230 SSD into the slot at approximately 30 degrees
+2. Gently press down the SSD to ensure good contact with the slot
+3. Secure the SSD to the motherboard using an M2×3mm screw
+4. Ensure the screw is tight but not over-tightened to avoid damaging the threads
+
+:::note Mounting Screw Specification
+- **Screw Size**: M2×3mm (metric thread, 2mm diameter, 3mm length)
+- **Screw Type**: Flat head cross screw
+- **Installation Torque**: Recommended 0.15-0.2 N·m (1.5-2.0 kgf·cm)
+
+If the M.2 mounting screw is not included in the package, you can use a standard M2×3mm flat head cross screw.
+:::
+
 :::tip Interface Location
 Refer to the [Hardware Information](./hardware-info) tutorial to locate the corresponding hardware interface.
 :::