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Chapter 4 Drive operation and maintenance
Page 12 Seagate Travan 40 Product Manual
Before installing the Seagate Travan 40 drive make sure that the jumpers are
properly configured for your system. Figure 6 shows the location of the jumper block,
as well as master/slave jumper settings for various configurations.
Note: Record your jumper settings prior to installation. The jumpers are not visible
after the drive has been installed.
Figure 6
Jumper block settings for STT3401A and ST2401A
These jumper settings are explained in further detail below.
• Jumpers 1 and 2 are reserved for factory use. Do not install a jumper on these
pins.
• Cable Select: When the CSEL jumper is off, the device address (Master or
Slave) is determined by the setting of the "Master" jumper. When the CSEL
jumper is on, the Master jumper is ignored and the device address is defined by
the CSEL signal in the Host cable. If CSEL is tied to ground, the device address
is Device 0 (Master). If the signal is tied high (or open), the device address is
Device 1 (Slave).
• Master/Slave: When this jumper is on, drive will act as Master on the ATA port.
An ATAPI device cannot be a Master to an ATA device, only other ATAPI
devices. If there is no jumper on the Master or CSEL jumper blocks, the drive is
configured as a slave. See table below:
"CSEL"
jumper block
"Master"
jumper block
Drive's master/slave setting
Off On Device is Master (Device 0)
Off Off Device is Slave (Device 1)
On On or Off Device is Master or Slave depending
on CSEL signal level