IBM 866251Y - Netfinity 5500 M20, Руководство по техническому обслуживанию аппаратной части

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is on. The meaning of the Attention lights is
defined by the operating system. Refer to the
operating system documentation to determine if it
supports hot-plug PCI adapters and, if so, what the
Attention lights indicate.
.6/
Serial B Connector: A serial signal cable for a
modem or other serial device connects to this 9-pin
serial connector. Serial port B is used by the
operating system and cannot be shared by the
Netfinity Advanced System Management Processor.
See “Devices and I/O ports” on page 24 for port
assignment information. If you are using a 25-pin
signal cable, you need a 9-pin-to-25-pin adapter
cable.
.7/
Video Connector: The monitor signal cable
connects here.
.8/
Power Supply 1 Power Connector: The power
cord for power supply 1 connects here.
.9/
NetBAY3: The tower models of the Netfinity 5500
M20 come with a NetBAY3 attached. You can
install devices, such as the IBM EXP10 or a power
distribution unit, in the NetBAY3. Refer to
“Installing devices in the NetBAY3” for more
information.
.1ð/
Management C Connector: This connector is
used to attach a modem that is dedicated to
communication with the Netfinity Advanced System
Management Processor.
.11/
Universal Serial Bus 2 Connector: You can
attach an I/O device to this universal serial bus
(USB) connector. You need a 4-pin cable to
connect devices to USB 1 or 2.
Note
If a standard (non-USB) keyboard is attached
to the keyboard port, the USB ports are
disabled while the power-on self-test (POST) is
running and no USB devices will work during
POST.
.12/
Universal Serial Bus 1 Connector: You can
attach an I/O device to this universal serial bus
(USB) connector. You need a 4-pin cable to
connect devices to USB 1 or 2.
Note
If a standard (non-USB) keyboard is attached
to the keyboard port, the USB ports are
disabled while the power-on self-test (POST) is
running and no USB devices will work during
POST.
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Netfinity Server HMM