Installing The Drive In Your Computer; Preparation; Setting The Jumpers - Sony CDU415 User Manual

Cd-rom drive unit
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Installing the Drive in Your Computer

This section provides the basic instructions you need to install the drive
and host adapter in your computer. You should also read the manual of
your computer for specifications of how to install internal devices.

Preparation

You need the following parts and tools (these are not supplied with the
drive):
A flat-blade screwdriver
Four screws 3 mm in diameter and 6 mm in length.
Two mounting rails if your computer has mounting tracks.
Unplug the computer and disconnect the cables attached to the back to
give yourself more room to work. Do not turn on the power of the
computer before completing the entire installation process.

Setting the Jumpers

Set the jumpers on the rear of the drive in accordance with the
configuration of your computer system.
The jumpers are preset as illustrated at the factory.
(default preset value may be changed depending on the configuration)
PARITY
ID SELECT
0
1
10
Installing the Drive in Your Computer
PREVENT/ ALLOW
2
TEST MODE
TERM
Removing the jumper from a jumper pin pair disables its corresponding
function, and installing the jumper enables it.
The recommended jumper for use is AMP Shunts (14227-1), JAE Short
Socket (PS-2SH4-1) or equivalent.
The following table shows the function of each pair of jumper pins.
Jumper
Function
PARITY
Enables/Disables the SCSI bus parity check
function.
ID SELECT
Assigns the drive's SCSI ID. Select an ID number
which is not used by other SCSI devices connected
to the bus. ID numbers and corresponding jumper
pin settings are as follows:
Jumper pin settings
ID number
0
0
1
2
3
4
5
6
7
: Without jumper
: With jumper
: Factory setting
TERM
: Active terminator OFF
: Active terminator ON (Factory setting)
PREVENT/
Enable:
The disc drawer can be opened by
pressing the eject button or by a software
ALLOW
command.
Disable:
The disc drawer cannot be opened either
by the eject button or a software
command.
TEST MODE
Reserved for use at the factory only.
Notes:
The lower row of pins are ground.
ID SELECT, PREVENT/ALLOW, and TEST MODE are recognized
only when the power is turned on or SCSI is reset.
TEST MODE is reserved for use at the factory only. Do not put a
jumper over TEST MODE pins. Doing so may cause an unexpected
result.
Installing the Drive in Your Computer
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