Sun Microsystems Enterprise 250, Owner'S Manual, Page: 80 / 369

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“How to Install a Memory Module” on page 107
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“How to Install a CPU Module” on page 110
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“How to Install a PCI Card” on page 114
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“How to Install a Disk Drive” on page 137
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“How to Install a CD-ROM Drive or Tape Drive” on page 141
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“How to Install the Diskette Drive” on page 146
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“How to Install a Power Supply” on page 155
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“How to Install the Floor Casters Assembly” on page 172
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“How to Install the Chassis Foot Glides” on page 176
5. Set up a console for your server.
You must either attach an ASCII terminal to serial port A or else install a graphics
card and attach a monitor, mouse, and keyboard. For more information, see
“About Setting Up a Console” on page 49.
6. Configure the serial port jumpers, if necessary.
Two serial port jumpers located on the main logic board are used to configure the
system’s serial ports A and B for either EIA-423 or EIA-232D signal levels. The
jumpers are factory-set for EIA-423 levels, which is the default standard for North
American users. EIA-232D levels are required for digital telecommunication in
nations of the European Community. If you require EIA-232D signal levels, see
the following sections for configuration instructions:
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“How to Remove the Side Access Panel” on page 60
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“How to Avoid Electrostatic Discharge” on page 64
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“About the Main Logic Board Jumpers” on page 90
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“About Serial Port Jumpers” on page 92
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“How to Install the Side Access Panel” on page 62
7. Configure the network interface.
The system’s standard network interface is a switchable 10BASE-T/100BASE-TX
Ethernet interface conforming to the IEEE 802.3u Ethernet standard. The interface
configures itself automatically for either 10-Mbps or 100-Mbps operation,
depending on network characteristics.
Supported PCI cards allow connection to additional Ethernet networks, or to
token ring, FDDI, or other network types.
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If you’re using the standard Ethernet interface, see “How to Configure the
Standard Ethernet Interface” on page 196.
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If you’re using a PCI network interface, see the documentation accompanying
the PCI network card.
8. Install the security lock block to prevent unauthorized removal of the side
access panel, if required.
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Sun Enterprise 250 Server Owner’s Guide
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Revision A, June 1998