Conner CFP1080S Manuel utilisateur
CFP1080S/CFP1080E
Intelligent Disk Drive
Product Manual
Production Release Per ECO 6561
P/N 20401007-001
Revision A
August 1995
3081 Zanker Road
San Jose, CA 95134-2128
(408) 456-4500
FCC Notice
This equipment generates and uses radio frequency energy and, if not installed
and used properly; that is, in strict accordance with the manufacturer's
instructions, may cause interference to radio and television reception. It has
been type tested and found to comply with the limits for a Class B computing
device in accordance with the specifications in Part 15 of FCC Rules, which are
designed to provide reasonable protection against such interference in a
residential installation. However, there is no guarantee that interference will
not occur in a particular installation. If this equipment does cause interference
to radio or television reception, which can be determined by turning the
equipment on and off, you are encouraged to try to correct the interference by
one or more of the following measures:
• Reorient the receiving antenna.
• Relocate the computer with respect to the receiver.
• Move the computer into a different outlet so that the computer and receiver
are on different branch circuits.
If necessary, you should consult the dealer or an experienced radio/television
technician for additional suggestions. You may find the following booklet
prepared by the Federal Communications Commission helpful:
How to Identify and Resolve Radio-TV Interference Problems
This booklet (Stock No. 004-000-00345-4) is available from the U.S. Government
Printing Office, Washington, DC 20402.
Warning: Changes or modifications made to this equipment which have not
been expressly approved by Conner Peripherals, Inc. may cause radio and
television interference problems that could void the user's authority to operate
the equipment.
Further, this equipment complies with the limits for a Class B digital apparatus
in accordance with Canadian Radio Interference Regulations.
Cet appareil numérique de la classe B est conforme au Règlement sur le
brouillage radioélectrique, C.R.C., ch. 1374.
Conner and the Conner logo are registered trademarks of Conner Peripherals,
Inc. All other trademarks mentioned in this manual are property of their
respective owners.
Copyright 1994,1995 Conner Peripherals, Inc.
All rights reserved.
Document No. 501-082 08/95
Important Information About this Manual
All information contained in or disclosed by this document is considered
proprietary by Conner Peripherals, Inc. By accepting this material, the recipient
agrees that this material and the information contained therein are held in
confidence and in trust and will not be used, reproduced in whole or in part, nor
its contents revealed to others, except to meet the purpose for which it was
delivered. It is understood that no right is conveyed to reproduce or translate
any item herein disclosed without express written permission from Conner
Peripherals, Inc.
Conner Peripherals, Inc. provides this manual "as is," without warranty of any
kind, either expressed or implied, including, but not limited to, the implied
warranties of merchantability and fitness for a particular purpose. Conner
Peripherals, Inc. reserves the right to change, without notification, the
specifications contained in this manual.
Conner Peripherals, Inc. assumes no responsibility for the accuracy,
completeness, sufficiency, or usefulness of this manual, nor for any problem that
might arise from the use of the information in this manual.
Technical Reference Manual Page i
Table of Contents
1. Drive Overview 1
Drive Description 1
Drive Features 2
Drive Components 3
Mechanical Design Features 3
Drive Assembly Housing 4
Drive Motor and Spindle 5
Head Positioning Mechanism 5
Read/Write Heads and Disks 5
Data and Power Connections 5
Electrical Design Features 5
Integrated Circuit 5
Circuit Board 5
Read/Write Channel 6
Firmware 6
2. Specifications 9
Specifications in this Chapter 9
Drive Capacity 10
Formatted Capacity 10
Physical Configuration 10
Physical Configuration per Zone 10
Performance Characteristics 11
Seek Times (typical)111
Average Latency 11
Rotation Speed (+0.1%) 11
Controller Overhead 311
Start Time(Power Up)411
Stop Time at Power Down 11
Interleave 11
Read/Write Characteristics 12
Recording Method 12
Recording Density (maximum) 12
Flux Density (maximum) 12
SCSI Characteristics 12
Command Set 12
Data Transfer Rate 12
Maximum Synchronous Transfer Offset: 12
Maximum Tagged Command Queue Depth: 12
Reliability 13
Data Reliability 13
Component Design Life 13
Start/Stop cycles 13
Mean Time Between Failures: 13
Mean Time to Repair 13
Preventive Maintenance 13
Power Requirements 13
Minimum/Maximum Voltage: 13
Environmental Tolerances 14
Magnetic Field: 14
Table of Contents Conner CFP1080E/CFP1080S
Page ii Conner CFP1080E/CFP1080S
Acoustic Noise: 14
Safety Standards 15
Physical Characteristics - CFP1080E 16
Physical Characteristics - CFP1080S 17
3. Drive Operation 19
Drive Functions 19
Drive Operational Modes 19
Error Correction 20
Read Retry Operations 20
Downloadable Microcode 21
Buffer Management and Command Execution 22
SCSI Look Ahead Control Code 22
Write Caching 24
SCSI Queuing Control Code 25
Command Re-ordering 25
Buffer Management 25
4. Installing the Drive 27
Take These Precautions 27
Installing the Drive 27
Installing a CFP1080E 28
Setting the Drive's Jumpers - CFP1080E 28
Setting the SCSI Bus Address - CFP1080E 28
Disabling Spin-Up at Power On - CFP1080E 29
Delaying Spin Up at Power On - CFP1080E 29
Host Interface Connection - CFP1080E 29
Attaching Power to the Drive - CFP1080E 31
Mounting the Drive - CFP1080E 31
Installing a CFP1080S 32
Setting the Drive's Jumpers - CFP1080S 32
Setting the SCSI Bus Address - CFP1080S 33
Disabling Spin-Up at Power On - CFP1080S 34
Disabling SCSI Bus Terminator Power (TERMPWR) -
CFP1080S 34
Setting the Bus Termination - CFP1080S 35
Cabling the Drive - CFP1080S 36
SCSI Bus Cable 36
Spindle Synchronization 36
Attaching Power to the Drive - CFP1080S 37
Attaching a Remote LED - CFP1080S 37
Mounting the Drive - CFP1080S 37
5. Interface Physical Characteristics 39
Electrical Description 39
Output Characteristics 39
Input Characteristics 40
Model-Specific SCSI Physical Characteristics 40
CFP1080E (WIDE, 80-pin Single Connector Attachment [SCA]) 41
External Terminator Power 41
Internal Termination 41
Cable Requirements 41
Conner CFA850/CFA1275 Table of Contents
Technical Reference Manual Page iii
Connector Requirements 42
Single Connector Attachment (SCA) Signal Definitions 42
Power 42
Spindle Sync 42
LED Out 42
Motor Start Controls 43
SCSI ID Selection 43
Interface Pin Assignments 44
Model CFP1080S (Narrow, 50-pin SCSI) 45
External Terminator Power 45
Internal Termination 45
Cable Requirements 46
Connector Requirements 47
Interface Pin Assignments 48
Interface Timing Requirements 49
6. SCSI Command Implementation 51
SCSI Command Summary 51
Drive Dependent SCSI Mode Sense Data 51
Format Device Page - 03H52
Rigid Disk Geometry Page - 04H54
Notch Page - 0CH55
Table of Contents Conner CFP1080E/CFP1080S
Page iv Conner CFP1080E/CFP1080S
Technical Reference Manual Page 1
Drive Overview
1
Drive Description
The CFP1080S and CFP1080E are high performance 3.5-inch low-profile (1.0
inch high) disk drives. The both offer 11 millisecond average seek time for
Reading, 11.5 millisecond seek time for Writing, with an average latency of only
5.56ms. High capacity is achieved by utilizing a zone density recording
technique using 8 recording zones at an areal density of 247 Mbits per square
inch. These drives feature high performance while maintaining low power
consumption to reduce power supply current and system cooling requirements in
disk arrays.
They are designed to operate on the Small Computer System Interface (SCSI)
and are SCSI-2 command compatible. The mechanical and major electronic
components are identical between the models and differ only in the SCSI
physical interface.
Drive Model Form Factor Interface Capacity
CFP1080S 1 inch high, 3.5 inch 50-pin Single Ended FAST 1080MB
CFP1080E 1 inch high, 3.5 inch 80-pin Single Ended FAST 1080MB
For simplicity, we often refer to these drives collectively in this manual as “the
drive.”
Chapter 1 Overview of the Drives
Page 2 Conner CFP1080E/CFP1080S
Drive Features
The drives provide the following features:
•256 KB segmented cache buffer in the CFP1080S and 512 KB segmented
cache buffer in the CFP1080E.
•Tagged Command Queuing with Minimum Access Time Re-ordering and
Write/Read Coalescing
•Down-loadable Code through SCSI Interface
•SCSI-2 Compatibility
•88 bit Reed-Solomon EDAC with on the fly error correction
•Microprocessor-controlled diagnostic routines execute at start-up
•Automatic Spindle Synchronization
•Voltage Regulated Termination Power with removable Resistor Packs (SCSI-
2, Alternative 2)
•Active Negation output drivers
•High performance rotary voice coil actuator with embedded servo system
•No thermal recalibration required to maintain performance levels
•High Shock resistance
•Automatic actuator latch against the inner stop upon power down with
dedicated landing zone
•Sealed HDA
•1,7 run length limited code
Ce manuel convient aux modèles suivants
1
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