HP 743 Series Technical Reference Manual For Oems page 37

General Information
Model 748 Ruggedized Workstation
Mass Storage
Model 748 uses several factory-installed mass storage devices. One or two removable media
devices may be installed. Model 748 mass storage devices are factory installed with the
removable media drives accessed from the front. Users may reconfigure devices to reverse
the access. Hard disk drives are typically installed behind the removable media devices.
Mass storage devices are also available as the following upgrades:
Monitors
Table 1-25 lists the monitors supported. Grayscale monitors are not supported.
Table 1-25 Model 748 Supported Monitors
17-inch color
20-inch color
GSC Mezzanine Slot GSC
Model 748 Ruggedized Workstations have a GSC Mezzanine slot.
SCSI Interface The mass storage module has a SCSI connector for connecting external SCSI device
cables. When the external SCSI interface connector is not used, a SCSI terminator should be plugged
into the SCSI connector.
A cable from the mass storage module connects to the system board's SCSI connector and must be
connected for internal drives to operate. SCSI interface circuits use high-density, shielded connectors.
The internal cable length is 1.8 meters (5.9 feet).
The last device on each SCSI bus must be terminated. Internal drives do not have terminators enabled.
The SCSI bus terminator(s) shipped with the Model 748 must be installed on the external bus connec-
tor(s) if no external devices are connected. The single-ended terminator is part number A1658-62016,
and the FWD terminator part number is A1658-63013.
EISA Module
EISA accessory cards that are supported. In addition, the EISA module also supports the HP
Human Interface Link (HP-HIL). However, HP-HIL devices are no longer offered by HP.
1-28
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• HP A4484A 4 GB SE SCSI Hard Drive Upgrade
• HP A5006A 9 GB SE SCSI Hard Drive Upgrade
• HP A2643A 2 - 4 GB DDS (DDS-1, 2 GB native, 4 GB with data compression) Tape Drive
Upgrade
• HP A4307A 4-8 GB DDS (DDS-2, 4 GB native, 8 GB with data compression) Tape Drive
Upgrade
• HP A4252A 12 - 24 GB DDS (DDS-3, 12 GB native, 24 GB with data compression) Tape
Drive Upgrade
• HP A2645A 3.5-inch Flexible Disk Drive Upgrade
• HP A4496A Fast CD-ROM Disk Drive Upgrade
Type Resolution
1280 by 1024
1280 by 1024
The Model 748 is available with a 4-slot EISA module. Table 1-26 shows the
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