IBM 86626RY Hardware Maintenance Manual - Page 32

Devices and I/O ports, Capabilities Port ECP and Enhanced Parallel Port EPP.

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Devices and I/O ports: Software recognizes ports through their port assignments. Each port must have a unique port assignment. The Configuration/Setup Utility program normally handles this, but you might have special hardware or software that requires you to change these assignments. Note Serial port A can be shared by the Netfinity Advanced System Management Processor and operating system. Serial port B is used by the operating system only. Management port C is controlled exclusively by the Netfinity Advanced System Management Processor, cannot be used by the operating system, and cannot be configured using the Configuration/Setup Utility program. Select the Devices and I/O Ports choice to view or change the assignments for devices and input/output ports. You can add serial ports by installing a serial adapter in an expansion slot. See the documentation that comes with the serial adapter for information about port assignments. You can configure the parallel port as bidirectional; that is, so that data can be both read from and written to a device. In bidirectional mode, the server supports Extended Capabilities Port (ECP) and Enhanced Parallel Port (EPP). To display or change the assignments for devices, serial ports, or the parallel port: 1. Select Devices and I/O Ports. 2. Select a device or port; use the Left Arrow (←) or Right Arrow (→) key to advance through the settings available. The Devices and I/O Ports choice appears only on the full Configuration/Setup Utility menu. Notes 1. When you configure the parallel port as bidirectional, use an IEEE 1284-compliant cable. The maximum length of the cable must not exceed 3 meters (9.8 feet). 2. The universal serial bus (USB) is configured automatically. For further details about Plug and Play devices, see "Plug and Play" on page 31. 3. If you install a USB keyboard that has a mouse port, the USB keyboard emulates a mouse and you will not be able to disable the mouse setting in the Configuration/Setup Utility. 24 Netfinity Server HMM

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Devices and I/O ports:
Software recognizes ports through their port assignments.
Each port must have a unique port assignment.
The
Configuration/Setup Utility program normally handles this,
but you might have special hardware or software that
requires you to change these assignments.
Note
Serial port A can be shared by the Netfinity Advanced
System Management Processor and operating system.
Serial port B is used by the operating system only.
Management port C is controlled exclusively by the
Netfinity Advanced System Management Processor,
cannot be used by the operating system, and cannot
be configured using the Configuration/Setup Utility
program.
Select the
Devices and I/O Ports
choice to view or
change the assignments for devices and input/output ports.
You can add serial ports by installing a serial adapter in an
expansion slot.
See the documentation that comes with
the serial adapter for information about port assignments.
You can configure the parallel port as
bidirectional
; that is,
so that data can be both read from and written to a device.
In bidirectional mode, the server supports Extended
Capabilities Port (ECP) and Enhanced Parallel Port (EPP).
To display or change the assignments for devices,
serial ports, or the parallel port
:
1.
Select
Devices and I/O Ports.
2.
Select a device or port; use the Left Arrow (
←
) or
Right Arrow (
→
) key to advance through the settings
available.
The
Devices and I/O Ports
choice appears only on
the full Configuration/Setup Utility menu.
Notes
1.
When you configure the parallel port as
bidirectional, use an IEEE 1284-compliant cable.
The maximum length of the cable must not
exceed 3 meters (9.8 feet).
2.
The universal serial bus (USB) is configured
automatically.
For further details about Plug and
Play devices, see “Plug and Play” on page
31.
3.
If you install a USB keyboard that has a mouse
port, the USB keyboard emulates a mouse and
you will not be able to disable the mouse setting
in the Configuration/Setup Utility.
24
Netfinity Server HMM