Apple Performa 6400/180 - Manual (Page 128)

Take Apart Hard Drive - 31
Replacement Caution:
Carefully push the drive
into the bay. The cable may
be damaged if caught between
the drive and the metal
chassis, resulting in serious
damage to the equipment.
Replacement Note:
Reconnect the power cable
and data cable. Align and
insert the hard drive
vertically so that it engages
the guides on the top and
bottom left side of the hard
drive bay.