System Configuration 2-7
Maxtor EIDE Hard Drive Jumper Settings
The factory settings for the jumpers on the Maxtor EIDE Ultra DMA/66 hard drive are shown in
the following table. The settings are for a single hard drive installed in the system as the master
device. Specifications for the hard drive are included in Section 9.

Maxtor EIDE Hard Drive Jumper Settings

Function Jumper Pins Description
Master Device J50-1, J50-2
J48-2, J46-2 Sets hard drive as master
device in single drive system.
Factory setting: J50 pins 1
and 2 jumpered; J48 pin 2
and J46 pin 2 jumpered.
Slave Device J48-2, J46-2
J44-2, J42-2 Sets hard drive as slave. Not
used.
Cable Select
(CSEL) J48-1, J48-2
J44-2, J42-2 Not used.
Cylinder Limitation Not used.
Quantum EIDE Hard Drive Jumper Settings
The factory settings for the jumpers on the Quantum EIDE Ultra DMA/66 hard drive are shown
in the following table. The settings are for a single hard drive installed in the system as a master
device. Specifications for the hard drive are included in Section 9.

Quantum EIDE Hard Drive Jumper Settings

Function Jumper Pins Description
Master Device (DS) Jumpered Sets hard drive as master device in single drive
system. Factory setting: DS pins jumpered.
Slave Device Open Sets hard drive as slave.
Cable Select
(CS) Not used.
Park (PK) Use these pins to “park” a jumper not in use.
CD-ROM Drive Jumper Settings
The type of switch or jumpers and the settings for the CD-ROM drive depend on the
manufacturer’s model. The NECC factory setting is for the CD-ROM drive installed as the
master device on the secondary channel. Specifications for the CD-ROM drive are included in
Section 9.