Sunol Systems Winchester Disk Systems User Manual Download Page 2 | Manualshive

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Summary of Contents for Winchester Disk Systems

Page 1: ...1IIIIIi REFERENCE LIBRARY P O BOX 1777 1072 SERPENTINE LANE PLEASANTON CA 94566 415 484 3322 ...

Page 2: ...WINCHESTER DISK SYSTEMS USER S MANUAL P O BOX 1777 1072 SERPENTINE LANE PLEASANTON CA 94566 415 484 3322 ...

Page 3: ...en tested for compliance with the limits for Class A computing devices pursuant to Subpart J of Part 15 of FCC Rules which are designed to provide reasonable protection against such interference Operation of this equipment in a residential area is likely to cause interference in which case the user at his own expense will be required to take whatever measures may be required to correct the interfe...

Page 4: ... based on the Corvus Omninet local area network and the Corvus Constellation multiplexer In additoD J the Sunol system offers the advantages of automatic data error correction through use of ECC Error Correcting Code Storage capacity is increased up to 50 through use of RLL Run Length Limited coding This also provides improved performance by providing faster data transfer between the drive and the...

Page 5: ... 8 FLOPPY TAPE CACHE HARD DISK 2 MULTIPLEXER FORMAT RLL COMMAND TRACE 3 2 INDIVIDUAL LED S 3 3 SEVEN SEGMENT DISPLAYS 3 3 1 STATUS 3 3 2 DRIVE 3 3 3 TRACK 3 3 4 HEAD 3 3 5 SECTOR 3 1 SWITCHES QUANTUM Q540 VERTEX V130 TULIN TL240 VERTEX V150 VERTEX V170 An 8 position DIP switch is provided to control the operating mode of the Sunol disk system It is located on the Display printed circuit card direc...

Page 6: ...ch enables the format command The format command does a physical format of the entire disk This operation will erase all data recorded on the disk This switch should be off during normal operation of the disk so that data is not accidentally destroyed This switch must he on when running programs that format the disk 3 2 INDIVIDUAL LED S Individual LED s are provided on the front panel to indicate ...

Page 7: ...ever the controller is performing a disk writ operation 3 3 SEVEN SEGMENT DISPLAYS 3 3 1 STATUS DISPLAY The status display gives information about the operating status of the disk system For example when the system is first powered up it flashes a status of 23 which indicates drive speed error The 23 remains displayed until the drive comes up to speed at which time the display changes to 00 to ind...

Page 8: ...e from I to 9 Drive 8 is the floppy disk and drive 9 is the cartridge tape drive The number displayed is decimal 3 3 3 TRACK DISPLAY The Track Display indicates the physical cylinder location of the read write heads On currently delivered models this number will range from 000 to 986 The number displayed is decimal 3 3 4 HEAD DISPLAY The Head Display indicates th e ph ys ic a l read write h ead th...

Page 9: ...apter to Sunol disk box Pin 1 red stripe must be on bottom at the disk box 4 Plug Sunol power cable into lIOV 60HZ power source Foreign units use 220V 50HZ power 5 Turn on host and disk box Wait for disk to come up to speed 6 If you have a Quadplexer refer to the section on Quadplexer installation 4 2 VERIFY DISK ECC READ CHECK 1 Put your normal operating system diskette into your computer and boo...

Page 10: ...ement as to the number and size of the virtual drives then the system will not work properly Incorrect setting of the Virtual Drive Offset VDO table has been frequently found to be the cause of installation problems If you are using a Corvus host adapter kit The VDO table may be inspected and or changed by running a diagnostic program supplied in the host adapter kit This program is known by vario...

Page 11: ... follows DRIVE 1 0 DRIVE 2 DRIVE 3 DRIVE 4 DRIVE 5 DRIVE 6 DRIVE 7 4 7 SETTING THE MULTIPLEXER TABLE MULTIPLEXER SWITCH The multiplexer switch the front panel It is switch side as you face the display of the Quadplexer inputs is located on the Display Card directly behind 5 which is the 4th switch from the right hand This switch must be on to enable the polling Conversely this switch must be off i...

Page 12: ... computer s table entry is erroneously set for a multiplexer the computer will receive multiplexer polling signals which will confuse it and cause errors Any port which has an Omninet Disk Server attached to it should have its corresponding multiplexer table entry set to a hexadecimal 80 same entry as for a computer Any port which has a printer server attached to it should have its corresponding m...

Page 13: ...VE 1 4 1 CONTROLLER CODE FILE HEADER MESSAGE CORVUS REV B CONTROLLER CODE REV 35 11 01 S1 THIS CODE IS TO BE USED WITH THE REV B CORVUS CONTROLLER IT IS AN UPWARD REVISION OF THE REV 2 CONTROLLER CODE USED ON THE REV A CONTROLLER IT WILL ONLY WORX ON REV B DRIVES FEATURES INCLUDE 1 BETTER BUILT IN DIAGNOSTICS 2 ACCESS TO DRIVE CONFIGURATION TABLES 3 SUFPORT FOR PIPES 4 SUPPORT FOR 5MBYTE DRIVES 5 ...

Page 14: ...mber and size of the virtual drives then the system will not work properly Incorrect setting of the Virtual Drive Offset VDO table has been frequently found to be the cause of installation problems If you are using a Corvus host adapter kit The VDO table may be inspected and or changed by running a diagnostic program supplied in the host adapter kit This program is known by various names including...

Page 15: ...IVE 2 DRIVE 3 DRIVE 4 DRIVE 5 DRIVE 6 DRIVE 7 5 2 CP M DIRECTORY PROBLEMS If the disk you are working with has been used with a different operating system or if your linkage program has been changed you may experience problems with your CP M system The only sure cure for CP M directory problems is to erase the entire directory area by filling it with hexadecimal ES s One way to do this is to refor...

Page 16: ...Y N Y IS FORMAT SWITCH ON OR FORMAT JUMPER INSTALLED Y N Y CORVUS DRIVE Ii 1 4 1 THIS WILL TAKE ABOUT 1 MINUTE CORVUS DRIVE 1 4 1 CONTROLLER CODE FILE HEADER MESSAGE CORVUS REV B CONTROLLER CODE REV 35 11 01 81 THIS CODE IS TO BE USED WITH THE REV B CORVUS CONTROLLER IT IS AN UPWARD REVISION OF THE REV 2 CONTROLLER CODE USED ON THE REV A CONTROLLER IT WILL ONLY WORK ON REV B DRIVES FEATURES INCLUD...

Page 17: ...models More extensive systems can be configured by daisy chaining two levels of Quadplexers or by connecting an Omninet Disk Server onto any of the 4 input ports of the Quadplexer No changes in host system software are required when running through the Quadplexer The Quadplexer itself is totally transparent to the user If the host systems are running different Operating System software it is advis...

Page 18: ...is attached MULTIPLEXER TABLE A multiplexer table is recorded in sector 3 of the reserved area of the hard disk This table tells the disk controller what is attached to each port of the Quadplexer This tab l e must be set properly so that the system will work properly This table can be set by using Sundiag or one of the Corvus diagnostic programs The multiplexer table has 8 positions They are numb...

Page 19: ...Quadplexer ports 7 0 SUNOL CARTRIDGE TAPE DRIVE INTRODUCTION Your Sunol cartridge tape drive provides a quick and easy way to backup your Sunol hard disk More than this it can be used as a random access device The files that have been backed up onto the tape need not be restored all together You may individually pick out files to be restored and restore only them if you wish RETENSIONING The first...

Page 20: ...ch the tape runs in the streaming mode In this mode the tape moves continuously The controller alternately reads 15 sectors from the hard disk and then writes them to the tape The backup operation takes approximately 1 1 2 minutes per megabyte The backup can be done using Sundiag or one of the Corvus Mirror programs The backup operation uses logical sector numbers within a virtual drive The operat...

Page 21: ... restore operation RANDOM ACCESSING Individual files on a tape cartridge can be accessed provided the following conditions are met 1 Logical sector 0 on a virtual hard disk was backed up to logical sector 0 on the tape 2 Your software link program has in it a virtual drive address for the tape 3 Your software link program has in it the s ame number of reserved blocks for the backed up virtual hard...

Page 22: ...CATIONS TAPE CARTRIDGE TYPE TAPE WIDTH LENGTH TAPE DRIVE CIPHER 525CT TAPE SPEED DATA CODE DATA RATE MMM DC600A 0 25 INCHES 600 FEET Shorter tapes will NOT work III 78 INCHES PER SECOND MFM 417 K BITS PER SECOND 52 K BYTES PER SECOND 252 SEGMENTS CYLINDERS 6 STREAMS HEADS 30 SECTORS PER TRACK 512 BYTES PER SECTOR 1501 TRACKS USER 23 055 320 BYTES 4 TRACKS RESERVED 61 440 BYTES 20 ...

Page 23: ...TRACKS 1512 TRACKS SPARE TOTAL 21 107 520 BYTES 23 224 320 BYTES ...

Page 24: ...y way it believes appropriate without incurring any obligation whatever You may of course continue to use the information you supply Please do not use this form for technical questions regarding the Sunol Systems SUN DISC or programs for the Sunol Systems SUN DISC or any other Sunol Systems product or for requests for additional publications this only delays the response Instead direct your inquir...

Page 25: ...Tape 3U3H dlAlV1S 3 JVld Please do not staple Fold here 99Sv6 r J NOl N r S r 3ld LLL XOS O d SW3 LSAS 10NnS Tape ...

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