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Chapter 4 Maintenance Guidelines
27
SCSI Mass Storage Additions
The table below lists the number and types of mass storage devices in or may added into the SCSI model of
the HP Server.
SCSI Model Mass Storage Devices
Interface
Types
Max No.
Devices
Installed Devices and Addresses
FDD 1 Factory installed flexible disk drive (FDD) in shelf 1
IDE-2 2* Factory installed CD-ROM drive in shelf 2
A second IDE device (hard disk drive) could be installed, if shelf 3 is
available.
Internal SCSI
cable
(Ultra-160 SCSI
Adapter)
4*** Factory installed SCSI HDD (shelf 6, address = ID 0
Optional 2nd SCSI HDD (shelf 5, addresses = ID 1).
Optional 3rd SCSI HDD (shelf 4, address = ID 2)
Optional SCSI Tape Backup Drive (shelf 3, address = ID 3) **
SCSI controller (address = ID 7) installed in PCI slot P1
External SCSI
connector
(Ultra-160 SCSI
Adapter)
15 *** Only used for control of external SCSI devices. This SCSI connector
can control up to 15 external SCSI devices
* The secondary IDE (IDE-2) cable is connected to the factory-installed CD-ROM drive and configured as master, unless 3
rd
hard
drive installed and configured as master device. The primary IDE connector (IDE-1) is available on the SCSI model, but is not
supported by Hewlett-Packard.
** A 50-to-68-pin SCSI adapter is provided with the HP backup tape drive.
*** The single channel SCSI controller can support up to 15 devices on one connector at a time; however, there are only enough
internal storage shelves for 3 hard disk drives and 1 optional tape backup device. The external connector is only used to control
external SCSI devices when there are no internal SCSI devices.
External SCSI Connector
The HP Server tc2100, SCSI model, has an external SCSI connector at the rear of the Server. This SCSI port
cannot be used if there are active internal SCSI devices. The SCSI controller provided with the SCSI model
of the Server is a single channel controller and cannot support internal and external SCSI devices at the same
time.
Memory Guidelines
• The HP Server tc2100 only uses 133 MHz (PC133) SDRAM DIMMs, which are electrically different
from the EDO and PC100 SDRAM memory modules used in previous HP Server models.
• DIMMs sizes supported are 128 MB, 256 MB, or 512 MB buffered in any combination.
• Supported memory capacity ranges from 128 MB to 1.5 GB maximum (512 MB per DIMM slot x 3
DIMM slots total). The minimum capacity is 128 MB (one DIMM).
• DIMM sizes may be mixed on the system board and may be loaded in any order (1 through 3).
However, HP recommends starting at slot 1 and filling the slots in order: 1, 2, and 3.
• Empty slots between DIMMs are permitted.
• When handling DIMMs, observe anti-static precautions to avoid damage.
To ensure you have the correct DIMMs before installation, refer to one of the following for a list of qualified
DIMMs:
• HP Order Assistant on the HP web site at: