
Hardware installation 1-17
Replacing the disk drive
Standard 2.0 Meridian Mail Mini and Enhanced Card Option May 2000
Installation and Maintenance Guide
Replacing the disk drive
Introduction
If the disk drive fails and needs to be replaced, use this
procedure.
Installing the disk
drive (NTDK74AB)
To install the disk drive, follow these steps
.
At startup, the green LED lights up for about a half-second and
then goes off. After the internal hardware diagnostics are
complete, this green LED stays on if all of the Mail CPU Card
hardware passes its test. A flashing green LED indicates that
some hardware is in faulty condition. Typically, this fault can be
cleared away by tightening the connection of the SCSI drive
and/or the hard disk drive, or by replacing the hard disk drive, if
necessary. The amber LED (HDD) lights whenever the hard
disk drive is being accessed.
Step Action
1 Connect one end of the LED Jumper supplied to the J12
connector on the board, (the black wire is connected to
the side marked with a dot (negative) of the J12
connector).
2 Connect the other end to the hard disk drive remote LED
connection. For example, on ST34520N, the red wire
(positive) goes to pin 11, and the black wire (negative or
cathode) goes to pin 12.
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