Overview - Sun Microsystems SPARC Enterprise T5120 Installation And Service Manual

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C H A P T E R

Overview

The External I/O Expansion Unit provides a host server with additional slots for PCI
cards.
The single I/O boat configuration provides six slots for I/O cards.
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The optional two I/O boat configuration (
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Note – The External I/O Expansion Unit might be abbreviated to I/O Box in
programs and manuals.
This chapter contains the following topics:
Section 1.1, "General Description" on page 1-2
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Section 1.2, "Card Slots" on page 1-8
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Section 1.3, "Carriers" on page 1-16
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Section 1.4, "External I/O Expansion Unit Configurations" on page 1-33
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Section 1.5, "LEDs" on page 1-34
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Section 1.6, "System Management" on page 1-36
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Section 1.7, "Site Preparation" on page 1-38
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Section 1.8, "Service Information" on page 1-39
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Section 1.9, "Electrostatic Discharge Precautions" on page 1-40
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) provides twelve slots.
FIGURE 1-1
1-1