1：确定你的内核支持U番
<1>：SCSI的选项默认就可以
<2>：USB的选项一定要安装<*> USB Mass Storage support
<3>：如下：
代码:

<*> SCSI support
--- SCSI support type (disk, tape, CD-ROM)
<*> SCSI disk support
(40) Maximum number of SCSI disks that can be loaded as modules
< > SCSI tape support
< > SCSI OnStream SC-x0 tape support
< > SCSI CD-ROM support
< > SCSI generic support
--- Some SCSI devices (e.g. CD jukebox) support multiple LUNs
[*] Enable extra checks in new queueing code
[*] Probe all LUNs on each SCSI device
[*] Verbose SCSI error reporting (kernel size +=12K)
[ ] SCSI logging facility
SCSI low-level drivers --->
PCMCIA SCSI adapter support --->
---------------------------------------------------------------------------------------------
<*> USB Mass Storage support
[ ] USB Mass Storage verbose debug
[ ] Freecom USB/ATAPI Bridge support
[ ] ISD-200 USB/ATA Bridge support
[ ] Microtech CompactFlash/SmartMedia support


2：fdisk -l /dev/sda看看有没有sda1列出来

3：如果有，
mkdir /mnt/usb
mount /dev/sda1 /mnt/usb -t vfat(当然也可能是msdos)

4：其他：
<1>：在/etc/fstab里面加入：
[/code]/dev/sda1 /mnt/usb vfat user,noauto,codepage=936,iocharset=cp936,umask=022 0 0[/code]
可以保证任何一个用户都可以mount USB番，并且启动时不加载
<2>：关于中文，说了很多次了，自己编译内核，把CP936编译成为Native Language。

[*] Enable extra checks in new queueing code
[*] Probe all LUNs on each SCSI device
[*] Verbose SCSI error reporting (kernel size +=12K)
[ ] SCSI logging facility

这几个应该不是必须的
我使用usb硬盘时没有选

另外在新版内核中还有UHCI支持(三个USB类型选项的最下面一个 )