树莓派使用u盘启动(不需要内存卡)

简介

最近看树莓派的io很慢,然后想着换个高速卡,或者系统放在u盘里,后来看了下,貌似树莓派4现在已经支持了直接冲usb启动

操作

首先更新固件到最新的版本

sudo rpi-eeprom-update

一般来说会现实

1
2
3
4
5
6
7
8
9
10
11
*** UPDATE AVAILABLE ***
BOOTLOADER: update available
CURRENT: Thu 29 Apr 16:11:25 UTC 2021 (1619712685)
LATEST: Tue 25 Jan 14:30:41 UTC 2022 (1643121041)
RELEASE: default (/lib/firmware/raspberrypi/bootloader/default)
Use raspi-config to change the release.

VL805_FW: Dedicated VL805 EEPROM
VL805: up to date
CURRENT: 000138a1
LATEST: 000138a1

表示你有固件更新

之后就是更新

rpi-eeprom-update -a

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
*** INSTALLING EEPROM UPDATES ***

BOOTLOADER: update available
CURRENT: Thu 29 Apr 16:11:25 UTC 2021 (1619712685)
LATEST: Tue 25 Jan 14:30:41 UTC 2022 (1643121041)
RELEASE: default (/lib/firmware/raspberrypi/bootloader/default)
Use raspi-config to change the release.

VL805_FW: Dedicated VL805 EEPROM
VL805: up to date
CURRENT: 000138a1
LATEST: 000138a1
CURRENT: Thu 29 Apr 16:11:25 UTC 2021 (1619712685)
UPDATE: Tue 25 Jan 14:30:41 UTC 2022 (1643121041)
BOOTFS: /boot

EEPROM updates pending. Please reboot to apply the update.
To cancel a pending update run "sudo rpi-eeprom-update -r".

然后重启就好了

使用usb启动之后果然io快了很多,顺便我还换成了64位的系统

欢迎关注我的博客www.bboy.app

Have Fun

欢迎关注我的其它发布渠道