HP c3750 hp workstation c3700 and c3650 - service handbook NOTE:also applicabl - Page 38

FRU configurations

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configuration FRU configurations FRU configurations This section provides information for setting up or changing the configuration of the system Field Replaceable Units (FRUs). internal storage configurations hard disk drive configuration The SCSI IDs for hard disk drives are hard-wired into the SCA Ultra2 Wide LVD SCSI interfaces in the backplane of the two disk bays within the HP workstation c-class. Hence, SCSI IDs do not need to be set for the hard disk drives (up to two) installed in these workstations. From top to bottom, the pre-set SCSI IDs for hard disk drives are: 6 and 5. Similarly, no jumpers are installed at the factory, nor is any jumper installation required at the customer's site, on either of the hard disk drive models that are supported with the c-class workstations. Both hard disk drive models may be installed into these workstations. See the section titled "hard disk drive" on page 134 for details on installing hard disk drives. NOTE There must ALWAYS be a terminator at both ends of a SCSI bus. This means one internal terminator and one external terminator. Table 2-1 lists the default device IDs for internal storage devices. These IDs are the default IDs for each storage device. If an existing device already uses an ID, select an alternate ID. Table 2-1. Default Device IDs TABLE Ultra2 Wide Low-Voltage Differential SCSI 1st Hard Disk Drive ID6 2nd Hard Disk Drive ID5 DDS Drive, external optional device ID3 ** Do not assign SCSI ID7 to any internal storage device. 38 Chapter 2

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38
Chapter 2
configuration
FRU configurations
FRU configurations
This section provides information for setting up or changing the configuration of the
system Field Replaceable Units (FRUs).
internal storage configurations
hard disk drive configuration
The SCSI IDs for hard disk drives are hard-wired into the SCA Ultra2 Wide LVD SCSI
interfaces in the backplane of the two disk bays within the HP workstation c-class. Hence,
SCSI IDs do not need to be set for the hard disk drives (up to two) installed in these
workstations. From top to bottom, the pre-set SCSI IDs for hard disk drives are: 6 and 5.
Similarly, no jumpers are installed at the factory, nor is any jumper installation required
at the customer’s site, on either of the hard disk drive models that are supported with the
c-class
workstations.
Both
hard
disk
drive
models
may
be
installed
into
these
workstations. See the section titled “hard disk drive” on page 134 for details on installing
hard disk drives.
NOTE
There must ALWAYS be a terminator at both ends of a SCSI bus. This means
one internal terminator and one external terminator.
Table 2-1 lists the default device IDs for internal storage devices. These IDs are the default
IDs for each storage device. If an existing device already uses an ID, select an alternate ID.
Table 2-1. Default Device IDs TABLE
Ultra2 Wide Low-Voltage Differential SCSI
1st Hard Disk Drive
ID6
2nd Hard Disk Drive
ID5
DDS Drive, external optional device
ID3
** Do not assign SCSI ID7 to any internal storage device.