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This chapter contains the following information on the A7173A adapter:
•“About the A7173A Adapter” on page 6.
•Table 1-1, “A7173A Adapter Features and Specifications,” on page 7.
Chapter 1
5
HP A7173A Adapter Overview
About the A7173A Adapter
About the A7173A Adapter
The HP A7173A Dual Channel PCI-X Ultra320 SCSI Host Bus Adapter (A7173A adapter) provides two
Ultra320 SCSI Parallel Interface Specification-4 (SPI-4) interfaces to PCI computer systems.
The A7173A adapter is a PCI-X adapter capable of up to 133 MHz, 64 bit data transfers.
NOTEHP recommends installing the A7173A adapter in a PCI-X, 133 MHz, 64 bit, 4x (“Twin Turbo”
or “Dual Rope”) slot. The A7173A adapter can be installed in any PCI or PCI-X slot, but
performance will be maximized when it is installed in a 133 MHz, 64 bit, 4x (“Twin Turbo” or
“Dual Rope”) PCI-X slot.
The A7173A adapter allows connection of up to 15 SCSI devices per channel, or a total of 30 SCSI devices per
A7173A adapter.
The A7173A adapter provides synchronous or asynchronous 16-bit (Wide) Low Voltage Differential (LVD)
or 16-bit (Wide) Single-Ended (SE) SCSI solutions, using only one PCI slot.
The A7173A adapter is backward compatible, supporting Ultra160, Ultra2, Ultra, and Fast SCSI devices.
The A7173A adapter cannot be connected to FWD (HVD) devices. Consult with your Hewlett-Packard
representative for information on specific system configurations.
NOTEFor a detailed summary of A7173A adapter features and specifications, see Table 1-1, “A7173A
Maximum SCSI Devices Connected15 SCSI devices per channel, in addition to the
Chapter 1
Interconnects (VHDCI) for the two external
channels
— Two 68-pin High Density (HD) connectors for
the two internal channels
synchronous or asynchronous, 16-bit (Wide) Single
Ended (SE) or 16-bit (Wide) Low Voltage
Differential (LVD)
A7173A adapter
7
HP A7173A Adapter Overview
About the A7173A Adapter
Table 1-1A7173A Adapter Features and Specifications (Continued)
Maximum SCSI Cable Length— Maximum LVD cable length of 12 meters with
multiple SCSI devices (25 meters
point-to-point)
— Maximum SE cable length of 6 meters with a
maximum of 8 SCSI devices
SCSI Bus Termination— LVD/SE: On-board termination, enabled or
disabled with a hardware jumper.
— SCSI termination power source with
auto-resetting circuit breaker (TERMPWR)
Signaling16-bit SE or LVD interfaces
Flash ROMYes, for boot code and firmware
Serial EEPROMYes, it contains Vital Product Data (VPD), HP PCI
IDs, SCSI Parameters, and Chip Configuration. It
is also configured with the HP part number for
easy identification when ioscan is used.
Safety CharacteristicsThe HP A7173A adapter board meets or exceeds
the UL flamability rating 94 V0. Each bare board
is also marked with the supplier’s name or
trademark, type, and UL flamability rating. Since
these boards are installed in a PCI bus slot, all
voltages are below the SELV 42.4 V limit.
8
Chapter 1
2HP-UX Installation: HP A7173A PCI-X Dual
Channel Ultra320 SCSI Host Bus Adapter
Thank you for purchasing HP I/O Cards
If you are installing an HP I/O card as an add-in device, please review this document before attempting
installation.
Chapter 2
9
HP-UX Installation: HP A7173A PCI-X Dual Channel Ultra320 SCSI Host Bus Adapter
If an HP I/O card was factory installed in your server, you can skip ahead to the Verifying the Installation
section.
HP welcomes your input. Please email us at: netinfo_feedback@cup.hp.com with comments or suggestions on
HP I/O Cards or related documentation.
NOTEThis Installation Guide contains abbreviated installation instructions for the A7173A adapter.
For comprehensive product information, see the HP A7173A PCI-X Dual Channel Ultra320SCSI Host Bus Adapter Support Guide available at http://www.docs.hp.com
IMPORTANT All HP A7173A PCI-X Dual Channel Ultra320 SCSI Host Bus Adapter product documentation,
including a comprehensive Support Guide, Release Notes, and a Support Matrix, are available
online. The HP-UX A7173A PCI-X Dual Channel Ultra320 SCSI Host Bus Adapter SupportMatrix includes:
•Supported HP-UX versions
•Supported HP systems
•Supported system and adapter firmware
•Supported HP SCSI peripheral devices
Go to: http://www.docs.hp.com
1. Click on “browse by topic”
2. Click on “networking and communications”
3. Click on “SCSI Host Bus Adapters”
10
Chapter 2
HP-UX Installation: HP A7173A PCI-X Dual Channel Ultra320 SCSI Host Bus Adapter
Installation Prerequisites
Installation Prerequisites
Step 1. Review the HP-UX Ultra320 SCSI mpt Driver Release Notes located at docs.hp.com.
Step 2. Review the HP-UX A7173A PCI-X Dual Channel Ultra320 SCSI Host Bus Adapter Support Matrix
located at docs.hp.com to confirm:
•The A7173A adapter is supported with the HP-UX version you will be running
•The A7173A adapter is supported with the HP system you plan to install it in
•The A7173A adapter is supported with the SCSI devices you plan to connect to it
Step 3. See the documentation for the system you plan to install the A7173A adapter in
(http://www.docs.hp.com), for system specific instructions on installing host bus adapters (I/O
cards) in the PCI slots. Make sure you have the necessary parts and tools.
Step 4. Make sure you have a grounding Electrostatic Discharge Kit (ESD), which is shipped with the
A7173A adapter.
Step 5. Make sure you have the correct SCSI cables to connect the A7173A adapter to the SCSI devices you
plan to use with it.
Locating the A7173A Adapter Software
The drivers, utilities and manpages for the A7173A adapter are on the HP-UX application release CD. They
are also available at the HP Software Depot.
To locate the software at the HP Software Depot:
•Go to http://www.software.hp.com
•Search for “A7173A”
•Click on “receive for free”
•Fill out the free product registration form and click on “next”
•Look for “Download Software” and click on the depot that corresponds to your HP-UX operating system
version to download the drivers, utilities, and manpages for the A7173A adapter.
•In the “Documents” column next to the “Download Software” column, click on “Installation Instructions”
to download instructions for using the Software Distributor tool to install the drivers, utilities, and
manpages for the A7173A adapter.
Chapter 2
11
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