r.in.erdas help

I did "r.in.erdas erdas=tm083090.lan prefix=tm"
and took all 7 bands. I got tm.1 ... tm.7.
I run r.support to all of them and greated a group (tm90).
I was trying to run i.composite but failed. I was told
one of files was out of range which cannot be true.

I r.compress-ed tm.3 and wanted to look at it.
What I got were a whole bunch of vertical lines.

All the info in cellhd seem correct and match
the ERDAS file header (version 7.5).

Any hint would be appreciated.

--Xin
zhuang@access.digex.com