SUN U45使用146G SAS接口的硬盘无法找到硬盘怎么回事？

Please specify the media from which you will install the Solaris Operating
Environment.

Media:

1. CD/DVD
2. Network File System
3. HTTP (Flash archive only)
4. FTP (Flash archive only)

5. Local Tape (Flash archive only)

   Media [1]: ^[[4~

Please enter a value between 1 and 5

Media [1]: 1
Reading disc for Solaris Operating Environment...

The system is being initialized, please wait... -
No Disks found.
Check to make sure disks are cabled and powered up.

Press OK to Exit.

<Press ENTER to continue/