AT2550 User Guide
December 8, 2003
page 7 of 17
3.2.1 MAIN HEADER (J1) JUMPERS
MS Jumper
Pin #1
J1 Header
2x25,
Key - pin 20
J1 Connector View
CS Jumper
3.2.2 MASTER/SLAVE
The MS jumper selects the drive as either the C: drive (Master) when off or the D:
drive (Slave) when installed. This jumper is part of the main ATA interface header
and is on 2mm centers. This location is factory shipped with no jumper,
configuring the drive as the master drive.
MS: Master/Slave
configured for normal
operation -- jumper off
Connecting the pins forces the drive to drive D:, the slave.
MS: Configured as Slave --
jumper on
