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SPI!C 17765250
t:J c:\ CONTR.OL DJ~TA CD 4
~ r::!I CO~O~TION Rev 0
DATe July 1988
PRODUCT SPECIFICATION
FOR
WREN III HH SCSI
MODEL 94211
COPYRIGHT @ 1988
by CONTROL DATA CORPORATION
ALL RIGHTS RESERVED
Printed in the United States of America
This publication may contain application high technology,
I
or product specification data or any combination thereof,
I
is considered advance technical information by the
produ1cer and is subject to change without prior notice.
I
SPEC 77765250
1;::1 c:\ CONTR.OL DATA CD 4
~::. r:'J CORJ'ORATI()N REV D
DATE July 1988
PAGE 1 of 124
PRODUCT SPECIFICATION
FOR
WREN III HH SCSI
MODEL 94211
PRODUCT SPECIFICATION - WREN III HH SCSI MODEL 94211 777652S0-B
THIS SPECIFICA~ION OUTLINES THE PRODUCT
CHARACTERISTICS AND PERFORMANCE CRITERIA
OF THE 94211 WREN III HH SCSI.
SPECIFIC MODEL AVAILABILITY CAN BE CONFIRMED
BY YOUR CDC OEM SALES REPRESENTATIVE.
-2-
PRODUCT SP'ECIFICATION - WREN I I I HH SCS I MODEL 94211 777652S0-B
SUMMARY
TM
The CDC WREN Peripheral family is composed of the following members.
For specific infor.mation on each member, refer to the appropriate
documents.
I 1 MODEL ,PRODUCT , 1 CAPACITY ,
1 NAME I NUMBER * ISPECIFICATION, INTERF ACE 1 (MEGABYTES) 1
I I I I
I WREN II 194155-XX 77715909 CDC 506 (ST506 COMP.)148, 57, 67, 77 or 86 1
1 WREN II 194156-XX 77738019 ESDI 146, 67 or 86 1
I WREN II 194151-YY 77738208 SCSI (SASITM Subset) 125 to 80 I
I WREN II HH194205-XX 77738161 CDC 506 (ST506 COMP.)130, 41 or 51 1
I 1 1 1
I WREN III 194166-XXX 77738212 ESDI 1101, 141 or 182 ,
I WREN III 194161-YY(Y) 77738270 SCSI ** 186, 121 or 155 (512 Byte)1
I 1 1 1
1WREN III HHI94211-YY(Y) 77765250 SCSI ** 191 (512 Byte) I
lWREN III HHl94216-XXX 77765276 ESDI 1106 1
I I I 1
'WREN-IV 194171-YY(Y) 77738386 SCSI ** 1307 (512 Byte) 1
1 I I 1
XX(X) denotes unformatted drive capacity in megabytes. For
example, Model number 94166-182 is a WREN III with ESDI Interface
and an unformatted capacity of 182 megabytes.
YY(Y) denotes formatted drive capacity.
** These drives allow the user to reformat using any integer data
block size bet~ieen 256 and 2048 bytes. At the factory, drives
are formatted with 512 byte data block size, with capacity
dependent on mumber of data heads.
-3-
PRODUCT SPECIFICATION - WREN III HH SCSI MODEL 94211 777652S0-B
TABLE OF CONTENTS
1.0 SCOPE ................................................. 8
2 .0 APPL I CABLE DOCUMENTS..... . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
2.1 STANDARDS........................................ 8
2.2 DOCUMENTATION.................................... 10
3.0 GENERAL DESCRIPTION ................................... 10
4.0 FEATURE S . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 13
4. 1 STANDARD FEATURES. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 13
4.2 OPTIONS (Factory Installed) ...................... 14
4.3 OPTIONAL ACCESSORIES (User Installed) ............ 14
5.0 PERFORMANCE CHARACTERISTICS ........................... 15
5.1 INTERNAL DRIVE CHARACTERISTICS (Transparent to
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