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Datasheet: AEC-4312A (Adaptec)

High-performance Scsi-to-scsi External Raid Controller


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Adaptec's second-generation External RAID
Contollers are designed to triple the speed
of data throughput and help you easily
migrate to Fibre Channel while protecting
your initial external controller investment.
These controllers are the ideal solution
for customers who demand outstanding
performance, easy host-interface upgrade
capability, and simplified array configura-
tion and management for the midrange to
high-end storage markets.
The Board-Based External RAID con-
trollers for storage subsystem backplane
integration are:
AEC-5312: (1) Ultra2 SCSI host
channel-to-(2) Ultra2 SCSI device chan-
nels, supporting up to 30 hard disk drives
AEC-7313: (1) Fibre Channel host
channel-to-(3) Ultra2 SCSI device chan-
nels, supporting up to 45 hard disk drives
Key Benefits
Unmatched Computing Performance
Adaptec's AEC External RAID Controllers
deliver triple the speed of alternatives. Their
sequential reads and writes of more than
60 MByte/sec in RAID 3 and 5 ensure that
data streams to video and multimedia
applications, fast and free of interruptions.
And the highly-modular architecture of
these controllers incorporates 80 MByte/sec
Ultra2 SCSI (LVD) host and device channels,
an optional 100 MByte/sec Fibre Channel
host channel, and a new SDRAM dual-PCI
XOR memory controller.
Scalable, Flexible, Easy To Upgrade
Protect your investment. Users can upgrade
to Fibre Channel with a simple field-
replaceable daughterboard addition to
the original base controller. Adaptec's
controllers also feature on-line capacity
allowing users to add capacity
without having to take the array off-line
for booting or reconfiguration. And AEC
External RAID Controllers are operating
system independent, so they can be
deployed with any server, without having
to purchase additional software drivers.
architecture of these controllers enables
storage to be separated from the server by
up to 12 meters for Ultra2 SCSI, and up to
10 kilometers for Fibre Channel.
Mission-Critical Availability
Adaptec's External RAID controllers
feature active-active controller failover and
multi-initiator support with I/O data path
redundancy. Array verification ensures that
parity matches the data on RAID 3, 4, or 5
configurations, or in the case of RAID 1,
ensures that the mirrored copies are identical.
Other features of these controllers contribut-
ing to assured data availability include ECC-
protected disk cache, global spares, controller
and device hot-swap, NiMH disk cache
battery backup, and standard PC-type lithium
disk battery for continuous RTC power
during unit shut-down.
The AEC External RAID Controllers'
extensive feature set also includes SAF-TE
environmental monitoring with event
notification via e-mail, pager, fax or auto-
matic calls, and event logging, in addition
Easy Management
Adaptec's External RAID Controllers sup-
port several options for easy configuration
and management. These include a serial
port (RS-232) from a PC or VT100
terminal, and CI/O Management Software
and inband GUI through the host's interface.
Support is also provided for third-party
implementation of GUI utilities with
Adaptec's API Developer's Kit.
AEC-5312 Ultra2-To-Ultra2 SCSI
AEC-7313 Fibre Channel-To-Ultra2 SCSI
Product Highlights
Sequential reads and writes of
more than 60 MByte/sec
Active/active controller failover
Adaptec CI/O Management
and GUI for easy
monitoring and managing your
disk storage
Online capacity expansion
allows reconfiguration without
Easy host-interface upgrade from
Ultra2 SCSI to Fibre Channel with
simple daughter-card replacement
OS independent--supports
all platforms with no special
software or drivers required
Supports RAID levels 0, 1, 0/1,
3, 4, 5 and JBOD
Technical Specifications
On-Board CPU:
AMD 5x86 processor, 133 Mhz
Host/Device Bus Burst Data Rate: 80 MByte/sec Ultra2 SCSI channel or 100 MByte/sec Fibre Channel
Host Interface:
Number Of Channels:
One single-ended or Ultra2 SCSI, or single Fibre Channel
Fast, Narrow, Wide, and Ultra2 SCSI or Fibre Channel Arbitrated Loop
Field-upgradable daughterboard for Fibre Channel connectivity
Device Interface:
Number Of Channels:
Two single-ended or Ultra2 SCSI; third on Fibre Channel models
Narrow (8-bit) or Wide (16-bit); Fast (10 MHz), Ultra SCSI (20 MHz), or
Ultra2 SCSI (40 MHz)
Advanced RAID Features:
Active/active controller failover via Adaptec's host-based software
On-line capacity expansion
Reserve/release (multi-host ready, up to 15 initiators)
Spare pooling and dedicated spares
Array verification
Hot-swap controller board; global hot-spare; hot-swap devices
Array status monitoring; adjustable stripe width; automatic sector
remapping; transparent drive rebuild with user-settable priorities
Arrays can be configured for RAID levels 0, 1, 0/1, 3, 4, 5 and JBOD
Advanced Hardware Features:
8 MByte local EDO DRAM processor memory
PC-type lithium disk battery for continuous RTC power
Up to 128 MByte user-configurable, non-volatile data cache memory
Flash upgradable firmware, 1 MByte
Write-through, Write-back, and Read-ahead cache options
Copper FC interface with optional optical connection using MIA
NiMH battery backup disk cache
Advanced SCSI Features:
Multiple SCSI PhaseEngine
255 simultaneous commands, tagged command queuing,
Ultra2 SCSI 40 MHz for data transfer up to 80 MByte/sec per channel
Ultra2 SCSI connection for up to 15 devices per channel
(45 total on FC version)
Advanced Fibre Channel Features:
Embedded multitasking RISC protocol engine
NL-port capable
Full-duplex send and receive payload buffers capable of 1 Gbit/sec
Supports 32-bit PCI data path to deliver bandwidth up to 133 MByte/sec
Class 3 connection with FCP (SCSI) protocols (class 1 and 2 capable)
Greater than 500 concurrent active exchanges with rapid command
context change
Configuration And Management:
SCSI or RS-232 serial interface to PC or standard VT100 terminal for array
management and control
Configuration Application Programming Interface (CAPI) API software
developer's kit
Window- and menu-based interface
Performance statistic monitoring
Support for e-mail, fax, pager and automatic call event notification
Event logging; rebuild and verify utilities
SAF-TE and SMART environmental monitoring support
Physical And Environmental Specifications
Board Form Factor:
4.25 in x 9.0 in PCB outline (10.80 cm x 22.86 cm)
Z-axis height: 0.75 in. (1.91 cm) without daughterboard;
1.0 in. (2.54 cm) with one daughterboard
Backplane Mating Connector:
376 I/O pin AMP S-Pack HM series
Power Requirements:
VCC: +5.0Vdc, 4.0A max (LVD host), 5.0 max
(Fibre Channel host)
Battery Backup:
+5VB: Backup +5.0Vdc, 1.0A max (normal
operation); 0.05A max (backup mode)
C to +45
C still air ambient; 50
C with
specified airflow
10% to 85% non-condensing (operating)
5% to 90% non-condensing (non-operating)
Air Flow:
10.0 cubic-ft/min. (CFM)
Adaptec, Inc.
691 South Milpitas Boulevard
Milpitas, California 95035
Tel: (408) 945-8600
Fax: (408) 262-2533
Adaptec Europe - Belgium
Tel: (32) 2-352-34-11
Fax: (32) 2-352-34-00
Adaptec Japan - Tokyo
Tel: (81) 3-5365-6700
Fax: (81) 3-5365-6950
Adaptec Singapore
Tel: (65) 278-7300
Fax: (65) 273-0163
1-800-934-2766 (USA and Canada)
or (510) 732-3829
Pre-Sales Support:
1-800-442-7274 (USA and Canada)
or (408) 957-7274
World Wide Web:
Internet ftp server:
Adaptec USA Bulletin Board
Service (BBS): (408) 945-7727
(up to 28,800 baud, using 8 bits,
1 stop bit, no parity)
Interactive Fax: (303) 684-3400
Copyright 1998 Adaptec, Inc. All rights reserved. Adaptec,
the Adaptec logo, the Adaptec tagline, the BandWidth
by Adaptec logo, AEC, CI/O Management Software, and
PhaseEngine are trademarks of Adaptec, Inc., which may
be registered in some jurisdictions. All other trademarks
used are owned by their respective owners.
Information supplied by Adaptec, Inc., is believed to be
accurate and reliable at the time of printing, but
Adaptec, Inc., assumes no responsibility for any errors
that may appear in this document. Adaptec, Inc.,
reserves the right, without notice, to make changes in
product designor specifications. Information is subject
to change without notice.
Part Number: 955545-011 5/98 Printed in U.S.A.
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