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KZPAA PCI-to-SCSI Host Bus Adapter

HIGHLIGHTS

o  Economical way to add more industry standard storage to Digital Server
   2100 Model A500MP systems

o  Supports up to seven StorageWorks SCSI-2 devices

PRODUCT DESCRIPTION

The KZPAA is a PCI-to-SCSI fast, narrow, single-ended host bus adapter
supporting up to seven SCSI devices. Built with the identical microchip that
supports an embedded SCSI bus in the Digital 2100 Model A500MP system, the
KZPAA provides another SCSI bus connected via the PCI bus. Installing KZPAA
adapters in each of three available PCI slots enables users to configure up
to 21 RZ28 disk drives for an additional 44 Gbytes of storage.

The KZPAA adapter has no onboard RAID capabilities such as those provided by
the SWXCR EISA-to-SCSI RAID controller. However, OpenVMS host-based Volume
Shadowing (RAID 1) and StorageWorks RAID Software for OpenVMS (RAID 0) can
work with drives attached through the KZPAA adapter. Host-based RAID
software makes it possible to cluster Digital 2100 servers and have fault
tolerant data spread across nodes. Other planned adapters will enable HSZ40
controllers to attach to the PCI bus for even more storage capacity with the
highest performance RAID options, as well as include support for SCSI and
OSF/1 clusters (ASE).

BENEFITS

o  Supports StorageWorks industry standard devices.

o  Provides full 32 bit Direct Memory Access capability -- transfers data to
   memory without CPU overhead.

o  Three year warranty provides low cost of ownership.

AVAILABILITY AND ORDERING

The KZPAA PCI-to-SCSI Host Bus Adapter is available now.

Order No.        Description

KZPAA-AA	 PCI-to-SCSI Adapter

SERVICES

The price includes a three-year warranty; the first year is onsite, the
balance is return-to-Digital. Additional service options are also available.

TECHNICAL DATA

o  Connector options: 50-pin high-density (for external cable) or 50-pin
   low-density (for internal cable)
o  Active SCSI bus termination with a disable option for configuration
   flexibility
o  5.0" x 3.25" PCI module uses a single slot
o  OpenVMS AXP, DEC OSF/1 AXP, and Windows NT Advanced Server support

SCSI Devices Supported

Disks:
o  RZ25, RZ26, RZ28, RZ28B, RZ29, RZ73, RZ74, RZ26B, RZ26L, RZ28L, RZ58,
   EZ51R, EZ54R
Tapes:
o  TLZ06, TLZ6L, TZK11, TKZ15, TZ85, TZ857, TZ86, TZ867, TZ87, TZ877, TZ875,
   TLZ04, TKZ08, TKZ09, TZK10, TSZ07
Other:
o  RRD42, DWZZA, RRD43

Configuration Information/Restrictions

o  Minimum version levels required: DEC OSF/1 V3.0, OpenVMS AXP V6.1, or
   NT Advanced Server V3.5.
o  When part of a system order, cables to connect the adapter to internal
   drives are added by manufacturing and do not need to be ordered.
o  External cables must be ordered in all cases: use BN21H-02 SCSI cable.
o  KZPAA-AA adapters ordered separately for use in a system with embedded
   storage require one 17-03948-01 internal cable.
o  System must support the NCR53C810 in system BIOS. Currently the only
   systems that include this support are the Digital Server 2100 Model
   A500MP series.
o  Maximum number of KZPAA adapters supported on each Digital Server 2100
   Model A500MP system is equivalent to the number of PCI slots available.

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