It's a modchip check all right.
Originally Posted by skye712
That console has a modchip. You need to figure out how to disable the chip, or make it enter it's "Stealth mode".
EDIT: Oops, it looks like you were responding to my deleted post (Deleted when I found that my translation was quite off... my eyes are really bad now since I didn't read some of the words properly ).
Unmodified SCPH-77006 with SM 3.6
SCPH-39006 with M-chip modchip, SCPH-10281 NA and refurb Seagate 80GB HDD
SCPH-10000 v1.00 with SCPH-10190 PCMCIA NA and SCPH-20400 HDD unit