Deskstar T7K250 Hard Disk Drive Specification
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2. In CSEL mode, installing or removing the jumper blocks at A-B or C-D position does not affect any selec-
tion of Device or Cable Selection mode.
3. The shipping default position is the Device 0 position.
7.1.4.2 15 logical head default
The figure below shows the jumper positions used to select Device 0, Device 1, Cable Selection, or Device1
(Slave) Present setting 15 logical heads instead of default 16 logical head models.
Notes:
1. To enable the CSEL mode (Cable Selection mode) the jumper block must be installed at E-F. In the CSEL
mode the drive address is determined by AT interface signal #28 CSEL as follows:
• When CSEL is grounded or at a low level, the drive address is 0 (Device 0).
• When CSEL is open or at a high level, the drive address is 1 (Device 1).
2. In CSEL mode, installing or removing the jumper blocks at A-B or C-D position does not affect any selec-
tion of Device or Cable Selection mode.
G
I
ECA
HFDB
DEVICE 0 (Master)
G
I
ECA
HFDB
DEVICE 1 (Slave)
G
I
ECA
HFDB
CABLE SEL
G
I
ECA
HFDB
DEVICE 1 (Slave) Present
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