IBM 4500R Hardware Maintenance Manual - Page 69

Setting SCSI IDs for external devices, Installation procedure, Input/Output ports

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Setting SCSI IDs for external devices Each SCSI device that is connected to a SCSI controller must have a unique SCSI ID, so that the SCSI controller can identify the devices and ensure that different devices do not attempt to transfer data at the same time. SCSI devices that are connected to different SCSI controllers can have duplicate SCSI IDs. The SCSI controller uses one of the SCSI IDs; the default SCSI ID for the SCSI controller is 7. Refer to the instructions that come with the SCSI devices for more information about setting a SCSI ID. Installation procedure To attach an external device: 1. Turn off the server and all attached devices. 2. Follow the instructions that come with the option to prepare it for installation and to connect it to the server. Input/Output ports This section provides information about the input/output (I/O) ports on the rear of your server. These ports include the following: • One Parallel port • One Video port • One Keyboard port • One Auxiliary-device (pointing device) port • Two Ultra3 SCSI ports • Two Serial ports • Two Universal Serial Bus ports • One Ethernet port • Three Advanced System Management ports 1 Mouse 2 Management port C 3 Advanced System Management Interconnect knockout 4 Parallel 5 Video 6 Universal serial bus (USB) 1 and 2 7 Ethernet 8 Keyboard 9 Serial B 10 Serial A Installing options 61

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Installing options
61
Setting SCSI IDs for external devices
Each SCSI device that is connected to a SCSI controller must have a unique SCSI ID, so
that the SCSI controller can identify the devices and ensure that different devices do
not attempt to transfer data at the same time. SCSI devices that are connected to
different SCSI controllers can have duplicate SCSI IDs. The SCSI controller uses one of
the SCSI IDs; the default SCSI ID for the SCSI controller is 7. Refer to the instructions
that come with the SCSI devices for more information about setting a SCSI ID.
Installation procedure
To attach an external device:
1.
Turn off the server and all attached devices.
2.
Follow the instructions that come with the option to prepare it for installation and
to connect it to the server.
Input/Output ports
This section provides information about the input/output (I/O) ports on the rear of
your server. These ports include the following:
•
One Parallel port
•
One Video port
•
One Keyboard port
•
One Auxiliary-device (pointing device) port
•
Two Ultra3 SCSI ports
•
Two Serial ports
•
Two Universal Serial Bus ports
•
One Ethernet port
•
Three Advanced System Management ports
±
1
²
Mouse
±
2
²
Management port C
±
3
²
Advanced System Management Interconnect knockout
±
4
²
Parallel
±
5
²
Video
±
6
²
Universal serial bus (USB) 1 and 2
±
7
²
Ethernet
±
8
²
Keyboard
±
9
²
Serial B
±
10
²
Serial A