solairs sparc安装启动问题

问一个solairs sparc安装的问题 v450
boot cdrom 后出现很如下
warning:/pci@4,4000/[email]scsi@3.1[/email] (glm4)
connected command timeout for target 0.0
......
warning:/pci@4,4000/[email]scsi@3.1[/email] (glm4)
connect command timeout from target 15.0
什么原因？硬件吗？