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Sony CDU948S User Manual page 11

Cd-r drive unit
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Remove the jumper to set to OFF, and install the jumper to set to ON.
The recommended jumper is AMP* Shunts (14227-1), JAE** Short
Socket (PS-2SH4-1) or equivalent.
The following table shows the function of each jumper.
Jumper
Function
DEVICE
The setting of this jumper determines whether the
TYPE
SCSI device type code in the inquiry data is WO
or CD-ROM.
ID SELECT
Assign the drive unit's ID number by setting these
jumpers to ON or OFF. Do not assign the same
number as one used for other SCSI device.
KEY
Used to prevent the SCSI bus interface connector
from being plugged in upside down.
PREVENT/
ALLOW
TEST MODE
Notes:
• The upper row of pins (without KEY position) is ground.
• ID SELECT, PREVENT/ALLOW, and TEST MODE are recog-
nized when the power supply is turned on or SCSI bus is reset.
• TEST MODE is used exclusively for the factory testing. Do not
set TEST MODE to ON. Doing so may cause an unexpected
result.
* AMP is a registered trademark of AMP, Inc.
** JAE is a registered trademark of Japan Aviation Electronics Industry, Ltd.
ON:
WORM
OFF:
CD-ROM
ID number
0
1
2
3
4
5
6
7
ON:
Allows insert and removal of a CD caddy
with the eject button and the eject
command.
OFF: Prevents insert and removal of a CD
caddy with the eject button or an eject
command.
ON:
Enables test mode.
OFF:
Enables normal operation.
Installing the Drive Unit into the Computer
Jumper settings
0
1
OFF
OFF
ON
OFF
OFF
ON
ON
ON
OFF
OFF
ON
OFF
OFF
ON
ON
ON
Factory settings
2
OFF
OFF
OFF
OFF
ON
ON
ON
ON
11

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