AT&T PC 6300 - Page 65

SYSTEM OVERVIEW
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MOUNTING
•J3 J2 J1 bracket
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Figure 2-16. Western Digital Hard Disk Unit Controller
(Requires a ROM BIOS 1.43 or Higher)
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The Jl, J2, and J3 connectors on the WD Controller provide the
following:
• The Jl connector is the control connector. This connector
transfers the control signals to and from the HDUs. Two HDUs
can be installed using a Daisy Chain Connection.
• The J2 and J3 connectors are data connectors. These connectors
transfer data to and from the HDUs. The J2 connector must be
used in a 1-HDU configuration. The J3 connector is used for the
second HDU in a 2-drive configuration.
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