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1. 39 NOTE You may have different numbers but the controller code version should be 18 3 or later 4 HEAD SERVO CHECK TEST Press 4 and the screen displays CORVUS DRIVE 1 4 Press 1 or the drive number in case of add on physical Corvus drives The read write heads of the Corvus disk will rapidly move from the outer edge to the center of the disk producing a whirring sound This test verifies that the disk reads data and that the disk heads move properly NOTE This test continues indefinitely until stopped by holding down the control key and pressing C lt CNTL gt C Approxi mately one minute of this test should be enough to check the disk 5 MANUAL CONTROLLER DIAGNOSTIC Press 5 and the screen displays WARNING THIS TEST CAN CAUSE LOSS OF USER DATA IF USED IMPROPERLY THE COMMAND FORMAT IS R READ A BYTE FROM THE CONTROLLER WXX WRITE HEX BYTE TO CONTROLLER S READ CONTROLLER STATUS E EXIT TEST NOTE This test should be performed ONLY under the direction of qualified Corvus Systems Customer Service representatives 6 UPDATE CONTROLLER CODE Press 6 and the screen displays _ CONTROLLER CODE FILE NAME COVBXX CLR 40 Type the controller code file name listed in the Directory of the CORVUS UTILITIES diskettes for example type CORVB183 CLR and press lt RETURN gt This starts the procedure for updating the controller code on the Corvus drive which is cont
2. 5 This starting disk block number is for an internal address of the Corvus drive which is calculated in terms of 512 byte sectors four 128 byte sectors See Table 1 below for the correct starting disk block number For example on a Model 20 drive the starting disk block number for Drive D is 12345 13 TABLE 1 REFERENCE TABLE FOR BLOCK NUMBER LENGTH Model 6 Drive with CLINK2 Program Starting Number Disk of Blocks Drive Block in Drive C 580 5472 D 6068 5472 Model 11 Drive with CLINK2 Program Starting number Disk of Blocks Drive Block in Drive C 580 11552 D 12148 11552 Model 20 Drive with CLINK2 Program Starting Number Disk of Blocks Drive Block in Drive C 580 11749 D 12345 11749 E 24110 11749 Type 12345 and press lt RETURN gt The screen displays NUMBER OF BLOCKS 6 Table 1 shows that for a Model 20 drive CLINK2 the number of blocks in a virtual drive is 11749 Type 11749 and press lt RETURN gt 7 The Mirror now requests the information for the header block The screen displays ENTER TAPE FILE HEADER INFORMATION DATE 8 Type 4 18 82 and press lt RETURN gt The screen displays TIME 9 Type 2 30 p m and press lt RETURN gt The screen displays 10 The name cannot be more than 16 characters long Type TEST FILE and press lt RETURN gt The screen displays COMMENT 11 Type COMMENT FINISHED and press lt RETURN gt or just pres
3. TASK M MASTER MUX CONFIGURATION M DO YOU WANT TO CHANGE THIS Y N Press Y 0 Y O 0 N O A 43 IN THE FOLLOWING SPECIFY WHAT IS CONNECTED TO EACH SLOT IN THE MASTER MUX THE SLOTS ARE NUMBERED IN THE PICTURE ABOVE LEGAL RESPONSES ARE lt RET gt NO CHANGE M MUX NOTHING L LSI 11 C COMPUTER SLOT 8 M C L Goes Back to Main Menu For CP M systems all slots must specify a Master Multiplexer regardless of the device connected to each slot Press P POLLING PARAMETERS 180 26 32 0 DO YOU WISH TO CHANGE THE POLLING PARAMETERS NOT RECOMMENDED Y N Press N Return to menu Press E WRITE CHANGES BACK TO DISC Y N Press N Returns to Test Menu 9 EXIT BACK TO CP M CTL C ALSO WORKS If you wish to return to the main menu press option 9 P PARK REV H DRIVE HEADS The PARK option will move the disk read write heads to a safe area on the disk The heads should be placed in PARK for shipment or long term storage Powering on the drive will automatically remove the heads from PARK 44 _ Appendix A List of Common CP M Extensions Extension Explanation ASM BAK BAS DAT DOC FOR HEX LIB MAC OBJ PAS PCO REL SRC SUB TXT Assembly language source file Backup file BASIC program source file Data file Text Document file Microsoft FORTRAN source file Intel HEX format object code file Extension for a Library file So
4. Header CRC Error Re zero Head Fault Re zero Timeout Drive Not On Line Write Fault CONOR WM 47 Read Data Fault Data CRC Error Sector Locate Error Write Protected Hegal Sector Address lilegal Command Drive Not Acknowledged Acknowledge Stuck Active Timeout Fault CRC Seek Verification Drive Speed Error Drive Iliegal Address Error Drive R W Fault Error Drive Servo Error Drive Guard Band Drive PLO Phase Lockout Error Drive R W Unsafe 48 Appendix C Description of CDIAGNOS Program CDIAGNOS DOC The CP M version of the Corvus Disk Diagnostic CDIAGNOS COM provides some relatively safe disk tests along with the ability to list and or change some parameters within the controller code For the latest documentation see the text in the CP M Utilities diskette with the file name CDIAGNOS DOC 49 50 Appendix D Description of Corvus Utilities Programs 1 INDEX DOC 2 CERROR DOC 3 PUTGET COM 4 CLINK2FV COM CLINK2TN COM CLINK2TW COM CLINK7FV COM CLINK7TN COM CLINK7TW COM 5 CDIAGNOS COM CDIAGNOS DOC 6 CORVB183 CLR 7 MIRROR COM 8 SEMA4 COM This is the disk index document file This is a short document file listing the controller error codes This is a disk utility that can be used under CP M to read and write from memory to the Corvus drive as well as fill various sections of the disk with data The routine has its own disk drivers and is mainly usefu
5. ON DRIVE BACK UP DATA IF AT ALL POS SIBLE COPY DOWN SPARE TRACK TABLE AND VIRTUAL DRIVE OFFSET TABLE AS WELL Power the Corvus drive down Flip the Format Switch sec ond switch from right to the right Power drive up Run CDIAGNOS program from floppy drive Select op tion 6 Type the controller code CORVXX XXX with an FMT extension example CORVB173 FMT Answer the questions as they appear on the Screen The busy light will flicker rapidly for about one minute and BACKUP OR RESTORE _ FUNCTION SHOWS DISK ERROR VERIFY FUNCTION INDICATES BLOCK S NEEDING RETRY RESTORE FUNCTION INDICATES BLOCK S NEEDING RETRY WHEN TRYING A RE STORE ERROR MESSAGE IMAGE SIZE MISMATCH OR MIRROR ERROR 4 DISPLAYS 34 14 15 16 17 then the screen displays a long message indicating for matting is finished and the new controller code has been written out You should then restore the old values to the Virtual Drive Offset Table VDO Table and spare track table Turn format switch off and toggle Reset Switch Repeat Step 13 to check con troller code If the system does not become ready after toggling reset call the Serv ice Center for further in formation This is usually caused by bad sectors on the drive Run CDIAGNOS program and do the Format Check Option 2 You should back drive up ignoring disk errors spare out bad tracks and then restore data Possible caus
6. diskette in Drive B by typing MIRROR and pressing lt RETURN gt The screen displays the Mirror menu LIST THIS MENU LIST HELP DATA BACKUP VERIFY IDENTIFY RESTORE TASK L TO LIST _ 3 Press B for Backup The screen displays BACKUP ENTIRE CORVUS DISK Y N 2 __ 4 Press Y for Yes The screen displays CORVUS DRIVE 1 4 5 Press 1 unless you have added on another Corvus physical drive The screen displays ENTER TAPE FILE HEADER INFORMATION DATE _ 10 6 It is strongly recommended that you complete the tape header information The tape header is information that is written at the beginning of the backup image to help you identify the image Here is a sample tape file header Type MAY 9 1982 and press lt RETURN gt The screen displays TIME __ 7 Type 12 00 A M and press lt RETURN gt The screen displays 8 Enter the name you wish to use on your tape header Type TEST ONE and press lt RETURN gt The screen displays COMMENT _ 9 Type COMMENT COMPLETED and press lt RETURN gt The comment is optional If you do not want a comment just press lt RETURN gt The screen oe NORMAL OR FAST FORMAT N F 10 Press N for Normal The screen then displays START UP RECORDER AND PRESS RETURN 11 11 Make sure the VCR is on and the video cassette is loaded properly Write down the VCR counter number on a piece of paper and save it Sta
7. right to make changes in the product described in this manual at any time without notice Revised manuals and update sheets will be published as needed and may be purchased by writing to Corvus Systems Inc 2029 O Toole Avenue San Jose CA 95131 Telephone 408 946 7700 TWX 910 338 0226 This manual is copywrited and contains proprietary information All rights reserved This document may not in whole or in part be copied photocopied reproduced trans lated or reduced to any electronic medium or machine readable form without prior con sent in writing from Corvus Systems Inc Copyright 1982 by Corvus Systems Inc All rights reserved Mirror patent pending The Corvus Concept Transporter Corvus OMNINET Corvus Logicalc Time Travel Editing EdWord Constellation Corvus Corvus Sys tems Personal Workstation Tap Box Passive Tap Box Active Junction Box Omninet Unit are trademarks of Corvus Systems Inc FCC WARNING This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instruction manual may cause interference to radio communications As temporarily permitted by regulation it has not been 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 inter ference Operation of this equipment in a res
8. screen now displays POSITION TAPE AND START PLAYBACK RESTORE iN PROGRESS 9 Find the beginning of the image on the video cassette You may have to use the Identify feature if you have several images on the same cassette If you use the VCR counter to find the starting position make sure you get the complete image When you are finished the Restore procedure the screen displays for example ERROR STATISTICS SOFT ERRORS 0 DISC ERRORS 0 OF BLOCKS NEEDING RETRYS 0 ALL DATA RECEIVED i TASK L TO LIST You have now backed up and then restored a Corvus drive We recommend that you back up data on your Corvus hard disc at least weekly or more often depending on computer use Although hard disk drives offer superior reliability compared to floppy diskette drives you should take proper care to protect valuable data from unforeseen accidents 20 Chapter 4 Printing Multiple Files It is desirable in some applications to print more than one file at a time Corvus has implemented this by providing a special area on the disk that you can write files to spooling and retrieve files from despooling This temporary file area is called the pipes area The reason for this name is that like a pipe the first thing put into it is the first thing out In this section you will find instructions for creating a pipes area putting files into the pipes area spooling and sending files to
9. the printer despooling Although there are many more uses for these techniques they are reserved for multi user systems For a complete explanation see the Corvus Systems CP M Multiplexer User Guide pl OUTPUT PRINTER How to Create a Pipes Area Although the CLINK program automatically reserves an area of 250K bytes for pipes it is possible to reserve a larger or smaller area NOTE Do not attempt to recreate a pipes area if you already have data on your Corvus disk To do so will destroy some of the data If the default of 500 blocks is changed it will be necessary to have CLINK altered by a proarammer 1 Insert the CORVUS UTILITIES VOL 1 diskette into floppy drive B Type PMGR and press lt RETURN gt The screen displays Pmgr 1 1 L ist P urge C lear I nit Q uit 21 2 Press I to initialize the pipes area The screen displays DEFAULT PARAMETERS STARTING BLOCK 64 BLOCK LENGTH 500 i USE DEFAULT PARAMETERS Y N 3 Press N for NO The screen displays STARTING BLOCK 4 Type 64 and press lt RETURN gt The screen displays BLOCK LENGTH 5 Type 500 and press lt RETURN gt The screen displays INITIALIZE Y N 6 Press Y for YES The screen displays INITIALIZING PIPES AREA Pipes Area Initialized Pmgr 1 1 L ist P urge C lear I nit Q uit 7 You have now set up the pipes area Press Q to quit the PMGR program The screen displays 22 How to Send
10. the image is found the screen displays for example IMAGE RECORDED FROM CORVUS DRIVE IMAGE ID IMAGE LENGTH 11220 BLOCKS SYSTEM CP M DATE 4 12 82 TIME 2 18 p m NAME TEST ONE COMMENT COMMENT FINISHED TASK L TO LIST __ You can use the Identify option to locate different images on the same cassette or to examine the header blocks of different cassettes if you are searching for a particular backup How to Use the Restore Option on the Mirror 1 Connect the Corvus Mirror and VCR hardware Boot your computer system with the CP M diskette and then run the correct CLINK program 2 Load in the Mirror program from the CORVUS UTILITIESVOL 1 diskette in Drive B by typing MIRROR and pressing lt RETURN gt The screen displays LIST THIS MENU LIST HELP DATA BACKUP VERIFY IDENTIFY RESTORE TASK L TO LIST _ 3 Press R for Restore The screen displays RESTORE ENTIRE DISC Y N 4 If you have backed up the entire disk press Y for Yes If you have backed up only part of the entire physical drive press N for No 5 If you press N the screen displays STARTING DISK BLOCK 6 Enter the same starting disk block number that you used in Backup from Table 1 The screen displays NUMBER OF BLOCKS _ 19 7 Enter the same number of blocks that you used for Backup from Table 1 The screen displays CORVUS DRIVE 1 4 8 Press 1 The
11. 25 Type SPOOL and press lt RETURN gt The screen displays Spooler 2 0 S pool D espool L ist Q uit 2 Press D for D espool The screen displays DESPOOL PARAMETERS P ipe name PRINTER W here PRINTER M ax lines Page 0 E xpand Tabs 8 L inefeeds TRUE D P W M E L Q 3 Say we wish to despool the file INDEX DOC which was loaded in pipe PRINTER 1 Press P for P ipe name The screen displays P ipe name 4 Type PRINTER and press lt RETURN gt The screen displays DESPOOL PARAMETERS P ipe name PRINTER W here PRINTER M ax Lines Page 8 E xpand Tabs 8 L inefeeds TRUE D P W M E L Q 5 If you wish to change other defaults follow a similar procedure When you are finished press D for despool The file is despooled to the printer and the computer waits to despool the 26 next pipe The screen displays Pipe Contained 10 Blocks Waiting to Despool Pipe PRINTER Depress any key to escape This procedure will print all pipes named PRINTER 6 When you press any key the computer returns to the start of the Spool program and the screen displays Spooler 2 0 S pool D espool L ist Q uit 7 Continue despooling files until you are finished Press Q for Q uit The screen displays How to Clear the Pipes Area 1 Insert the CORVUS UTILITIES VOL 1 diskette into floppy drive B Type PMGR and press RETURN The screen displa
12. 2TW COM CLINK7FV COM CLINK7TN COM CLINK7TW COM CDIAGNOS COM CDIAGNOS DOC CORVB173 CLR MIRROR COM SEMA4 COM How to Run a Program Files that have a DOC extension are text files rather than programs To examine the contents of a DOC file named INDEX DOC on Drive C of the Corvus disk type D TYPE INDEX DOC and press lt RETURN gt The contents of the file will scroll up the screen To stop at any point hold the control key down and press S lt CNTL gt S To restart hold the control key down and press Q lt CNTL gt Q If you wish to return to the main CP M program hold down the control key and press C lt CNTL gt C CP M finds files by filename Each file also has a three letter extension For example COM indicates that the file is a command program also known as a system program that you can run See Appendix A of this guide for a list of the different types of extensions It is not necessary to type the extension for COM files Your Corvus drive should already be configured and linked To run the program TANGENT as an example on Drive D of the Corvus disk drive type D TANGENT and press lt RETURN gt The computer goes to Drive D finds TANGENT and runs the program How to Save a File Once a Corvus drive has been linked to your computer system with one of the CLINK programs it works just like a giant floppy disk drive and CP M programs work in the usual manner Save files on a
13. ASM not meet your needs Consult Appendix F for instructions on how to modify CLINK2 ASM Sources for the SEMA4 and SPOOL pro grams These sources are provided as examples of how to use the Semaphore and pipe features of the Corvus drive NOTE The spool program is written in Pascal and requires you to have PASCAL MT and the M80 Assembler in order to modify it This is a short boot loader program to be used with CP M 2 X It can be used under a floppy based CP M to boot in CP M from the hard disk once it is put there or it can be used to make a ROM based loader This is a cold boot loader for CP M 2 X It is brought in by CLOADER CBOOT then brings in the CP M system One of these two files should be on your set of diskettes Both of these files contain the source for the Corvus Basic I O System BIOS to configure the Corvus drive into one to seven pseudo drives as well as allow for the control of two floppy drives The BIOSC ASM file contains dummy floppy and console I O drivers These dummy drivers should be replaced with the floppy and console should be replaced with the floppy and console I O drivers for your computer The BIOSCT ASM file contains floppy and console I O drivers for a typical S 100 system using a single density floppy diskette drive controller 53 NOTE 1 NOTE 2 NOTE 3 Source for the programs PUTGET CDIAGNOS and MIRROR is available by special order All of the disk utilities contai
14. BACKUP VERIFY IDENTIFY RESTORE TASK L TO LIST 4 Press V for Verify option The screen displays START RECORDER AT BEGINNING IF IMAGE VERIFY IN PROGRESS 5 Start the VCR playing not recording When the Verify procedure is finished the screen displays for example ERROR STATISTICS 4 SOFT ERRORS 3 l DISK ERRORS 0 OF BLOCKS NEEDING RETRYS 0 ALL DATA RECEIVED Sometimes soft errors will appear However this is no problem since ail data is recorded four times How to Use the Identify Option on the Mirror 1 Rewind the video cassette to the start of the tape or to the loca tion on the cassette you copied down earlier Since the Identify option searches for the very first characters of the header block it is important to rewind the video cassette completely to avoid missing the header 17 2 Your computer should be operating under CP M The Corvus drive should be on the Corvus link established The Mirror and VCR hardware should be connected 3 Load the Mirror program from the CORVUS UTILITIES VOL 1 diskette in Drive B by typing MIRROR and pressing lt RETURN gt The screen displays LIST THIS MENU LIST HELP DATA BACKUP VERIFY IDENTIFY RESTORE TASK L TO LIST 4 Press 1 for the Identify option The screen displays POSITION TAPE AND START PLAYBACK SEARCHING FOR IMAGE HEADER 5 Start the VCR playing not recording When
15. CP M USER GUIDE H DRIVE CORVUS SYSTEMS DISCLAIMER OF ALL WARRANTIES amp LIABILITIES Corvus Systems Inc makes no warranties either expressed or implied with respect to this manual or with respect to the software described in this manual its quality perform ance merchantability or fitness for any particular purpose Corvus Systems Inc soft ware is sold or licensed as is The entire risk as to its quality or performance is with the buyer and not Corvus Systems Inc its distributor or its retailer The buyer assumes the entire cost of all necessary servicing repair or correction and any incidental or conse quential damages In no event will Corvus Systems Inc be liable for direct indirect incidental or consequential damages even if Corvus Systems Inc has been advised of the possibility of such damages Some states do not allow the exclusion or limitation of implied warranties or liabilities for incidental or consequential damages so the above limitation may not apply to you Every effort has been made to insure that this manual accurately documents the opera tion and servicing of Corvus products However due to the ongoing modification and update of the software along with future products Corvus Systems Inc cannot guaran tee the accuracy of printed material after the date of publication nor can Corvus Sys tems Inc accept responsibility for errors or omissions NOTICE Corvus Systems Inc reserves the
16. Corvus drive just as you would on a floppy specifying the drive and file name plus the extension optional How to Copy a File Files are copied from one drive either physical or virtual to another drive using the PIP program in CP M Since one physical Corvus drive is made to look like either two or three floppy drives virtual drives you can have duplicate files on the Corvus or transfer material from the floppy drives to the Corvus and vice versa To move the TEXT TXT file as an example from Drive C on the Corvus disk to Drive B on the floppy drive first make sure the CP M boot diskette is in Drive A Type A PIP and press lt RETURN gt This loads the PIP program The screen displays Type B C TEST TXT and press lt RETURN gt The screen displays Type lt CNTL gt C to exit the PIP program and return to the main CP M program You have now copied the TEST TXT file from the Corvus hard disk to a floppy diskette Chapter 3 Backing Up Your Drive with the Mirror This chapter is for those users who have a Corvus Mirror either built in or add on with their Corvus Disk System Description of the Corvus Mirror Corvus Systems has developed a unique system for providing effective low cost backup for its hard disk drive known as the Corvus Mirror using a video cassette recorder VCR and video cassettes The Mirror creates an image or copy of either virtual drives or the entire physical drive on the video cass
17. FFSET TABLE TRACK 0 e WARNING CHANGING ANY OF THE FOLLOWING PARAMETERS CAN MAKE ANY USER DATA STORED ON THE DISC _ UNUSABLE DO YOU WISH TO CONTINUE Y N NOTE Changing these specifications can make your data totally inaccessible because the directory pointers are changed _ from the actual disk locations Before altering drive parameters you should back up the entire Corvus disk Press Y for Yes if you wish to continue The screen displays DRIVE PARAM MENU CHANGE SPARED TRACK TABLE CHANGE SECTOR INTERLEAVING CHANGE VIRTUAL DRIVE OFFSETS EXIT BACK TO MAIN MENU OTAS K 42 Press S if you wish to change the spared track table Spared tracks are tracks automatically skipped by the drive any data on them is lost if not backed up first and other data may be dis turbed Add or delete tracks by typing the track numbers and then press lt RETURN gt It is not recommended that you change the sector interleaving spec or the virtual drive offsets 8 LIST MODIFY CONSTELLATION PARAMETERS This option allows one to examine and or modify the A Master Multiplexer Connection Table This table is usually set to assume all the slots have a mux on them B Constellation Polling Constants These numbers determine certain aspects of the Con stellation polling environment The main menu displays CONSTELLATION PARAM MENU M LIST EDIT MUX TABLE P LIST EDIT POLLING PARAMETERS E EXIT
18. IAGNOS Menu LIST THIS MENU Press and the menu displays t LIST INSTRUCTIONS Press 1 and the screen displays TO CONSERVE SPACE THE INSTRUCTIONS HAVE BEEN REMOVED AND PLACED IN A SEPARATE FILE CDIAGNOS DOC TO READ THEM JUST TYPE THE FILE To see this file press 9 to exit and then type TYPE CDIAGNOS DOC and press lt RETURN gt A summarization of these instructions is also found in Appendix C of this guide 2 DISK FORMAT CHECK Press 2 and the screen displays CORVUS DRIVE 1 4 Press 1 unless you have multiple Corvus physical drives The screen displays DISK FORMAT CHECK IN PROGRESS 38 A check of the Corvus disk is performed After several minutes the screen displays NO BAD SECTORS FOUND TASK TO LIST _ lf the Disk Format Check test found any bad sectors it would display them in this fashion BAD SECTORS RE WRITTEN SURFACE CYLINDER SECTOR TRACK LIST DATA AGAIN Y N _ Copy this table down on a piece of paper The fourth column TRACK contains the information you will need to spare tracks out which we will discuss later in this section 3 READ CONTROLLER CODE VERSION NUMBER Press 3 The screen displays CORVUS DRIVE 1 4 _ Press 1 or the number of the Corvus drive if you have added on more physical Corvus drives The screen displays V18 3 CONST II 10 82 REVISION 37 CONTROLLER ROM VERSION 63 TASK TO LIST
19. a File to a Pipe To send a file to a pipe the file must already exist on your Corvus disk drive or on the floppy diskettes 1 Insert the CORVUS UTILITIES VOL 1 diskette into floppy drive _B Type SPOOL and press lt RETURN gt The screen displays SPOOLER 2 0 S pool D espooi L ist Q uit _ 2 Press S for S pool The screen displays SPOOL PARAMETERS P ipe name PRINTER F ile name M essage T ype of File F ormatted Text L ineteeds TRUE N ew pages FALSE 1 nciude Files FALSE S P FM TC LO NC O 3 Press F for F ile name The screen displays F ile name 4 Type B INDEX DOC and press lt RETURN gt The screen displays SPOOL PARAMETERS P ipe name PRINTER F ile name B INDEX DOC M essage T ype of File F ormatted Text L inefeeds TRUE N ew pages FALSE i nclude Files FALSE S P F M TC LO NG IC QC 23 INDEX DOC is the name of the file you want to send B is the drive it resides on 5 Press M for message The screen displays 6 Type This is a test file and press lt RETURN gt The screen displays SPOOL PARAMETERS P ipe name PRINTER F ile name B INDEX Doc M essage This is a test file T ype of File F ormatted Text L inefeeds TRUE N ew pages FALSE I nclude Files FALSE S P F M TC LO NC IC QQ The message option allows you to make comments about a file _ without having them included in it When printed this message will appear on a separ
20. ained in protected tracks of the hard disk Normally this code cannot be written to or read by the user even accidentally However it can be made accessible for writing by turning on the format switch To use this option follow this procedure 1 Power the drive up Turn on the format switch the second switch from the right under the front bezel ofthe drive and depress the reset switch the first switch from the right 2 Run the proper CLINK program to establish the Corvus link 3 Run the CDIAGNOS program from the floppy diskette drive Select the update option number 6 4 Type the controller code file name For example type CORVB183 CLR and press lt RETURN gt 5 Turn off the format switch and reset the drive by either using the reset switch the rightmost switch under the front bezel of the drive or by powering the drive down and back up again and re running the CLINK program 7 LIST MODIFY DRIVE PARAMETERS Press 7 and the screen displays CORVUS DRIVE 1 4 2 Press 1 The screen displays as an example SPARED TRACK TABLE TRACK 16 TRACK 38 PRESS RETURN TO CONTINUE 41 Press lt RETURN gt The screen displays SECTOR INTERLEAVING SPEC 9 PRESS RETURN TO CONTINUE NOTE The Sector Interleaving Specification is 9 for all drives CORVUS SYSTEMS STRONGLY RECOMMENDS THAT YOU DO NOT CHANGE IT Press lt RETURN gt The screen displays VIRTUAL DRIVE TRACK _ O
21. ate page from the text 7 Press S to send the file The screen displays Spooling file to pipe PRINTER 1 10 blocks written to pipe PRINTER 1 The ruber in brackets is the pipe s number There can be up to 62 Pipes named PRINTER 24 8 Press Q to quit The screen displays SPOOL PARAMETERS P ipe name PRINTER F ile name B INDEX DOC M essage This is a test file T ype of File F ormatted Text L inefeeds TRUE N ew pages FALSE nclude Files FALSE S P F M TC LC N O Y The other SPOOL options are P ipe name Allows you to assign another name to the pipe For single user applications leave it set as PRINTER T ype of File may be changed to U for unformatted text or N for non text Non text may result in an end of file error L inefeed will allow linefeeds when TRUE and will strip them out if FALSE If your printed copy seems to double space select F for FALSE N ew Pages if your printed copy does not leave blank lines between the bottom of one page and the top of the next you should select T for TRUE I nclude Files is used with word processing packages that allow file linking If you wish to use this feature select T for TRUE Sending a File From a Pipe to a Printer If you have not sent a file to the pipes area go to the previous instructions labelled How to Send a File to a Pipe 1 Insert the CORVUS UTILITIES VOL 1 diskette into floppy drive B
22. ches for proper position Check flat interface cable con nections Unplug processor flat cable and video connections if you are using the Mirror Toggle Reset Switch If drive becomes ready reconnect interface cable and video connections if using Mirror and repeat the installation sequence making sure correct software programs are used See the Installation Guide for your computer for instructions If drive does not become ready after Step 10 turn for mat switch on and reset drive If the drive becomes ready refer to Section 6 of this User Guide Go to Step 12 If your drive still does not become ready call your Cor vus Service Center You will now update the con troller code on the drive refer to Section 6 of this User Guide Power drive down Turn format switch to the right before proceeding Power drive up Run the CDIAGNOS program from the floppy drive Select op 32 tion 6 Update with controller 33 13 code program from directory see Step 13 above After updating controller code turn format switch off to the left See Section 6 of this manual for examples of this operation Toggle Reset Switch If drive does not become ready after 1 to 2 minutes the final step is to reformat the drive Step 15 First read the section on reformatting the Corvus drive refer to Section 6 of this User Guide WARNING REFORMATTING THE DRIVE WILL DESTROY ALL DATA
23. e 1 Send text files to a shared printer and 2 Transfer files between different systems CPM lt gt APPLE This is a program that helps you configure your Corvus drive if you choose not to use one of the default CLINK COM s provided Based on your input it creates a file con taining the equates that need to be changed in the CLINK2 ASM program to set up your drive Also in this file is the start and directory addresses for the pseudo drives being set up These addresses are used with the PUTGET and MIRROR programs This is an assembler that uses the standard Intel mnemonics and is upward compatible with the assembler supplied by Digital Research but unfortunately not also pro vided by XEROX with their version of CP M This program was written by Ward Chris tensen and was extracted from CP M Users Group disk 36 If necessary you can use this assembler to assemble any of the ASM files on these disks NOTE This assembler is only supplied for the XEROX 820 or Vector Graphics computers The following source programs are provided for those of you who wish to modify the Corvus interface or utility programs 13 CLINK2 ASM Source for the Corvus link program which may be modified if the default versions do 14 15 16 17 SEMA4 ASM SPOOLGEN SUB SPOOL SRC SPOOL DEF SPOOL PAS SPOOLM PAS PIPEGEN SUB PIPES SRC PIPED PAS PIPEC PAS PIPES PAS CPMIO MAC CLOADR ASM CBOOT ASM BIOSC ASM BIOSCT
24. es are bad tape faulty connections VCR tracking out of adjustment VCR play speed out of ad justment If none of the above you may have hardware prob lems in the VCR or Mirror Probable causes same as 15 above Do a retry pass If problem persists check hard ware Probable cause is wrong block size or starting address was used Use IDENTIFY option of Mirror program to deter mine correct image size and repeat RESTORE G WHEN TRYING A RESTORE VERIFY OR IDENTIFY OPTION ON THE MIRROR PROGRAM THE ERROR MESSAGE IMAGE NOT FOUND OR MIRROR ERROR 7 DISPLAYS H CORVUS I O DRIVER OR CORVUS UTILITY PRO GRAM ISSUES ERROR MESSAGE IN THE FORM DISC R W ERROR XXH 18 Video cassette not rewound 22 35 to beginning or VCR conec tions faulty First check video connections and VCR line input output switches these switches should be set to either line or VCR depending on your machine not TV Rewind video cassette to cor rect starting position and re peat function If problem persists call your Corvus Service Center Look up error code in Ap pendix B of this guide for an indication of the error type If it is a bad sector indicated by error codes AAH ABH EBH or ECH try to fix it by using Option 2 0f the CDIAG NOS Program 36 Chapter 6 Diagnostic Utilities for Your Corvus Drive Corvus Systems has produced a special diagnostics program CDIAGNOS to allow you t
25. ette The Corvus drive is configured to appear as several either two or three depending on size virtual drives to your computer The Mirror hardware can be ordered built into Corvus Disk Systems or it can be purchased as an add on option Mirror software is included on the CORVUS UTILITIES diskettes which accompany the Corvus disk drive General Tips Use the same VCR whenever possible for packing up your Corvus drive The VCR should be set at the standard play speed and the highest quality tape should be used to prevent errors It is recommended that VCRs without the color enhancement feature be used or that this feature be disabled when using the VCR with a Mirror See Appendix E for the apay of different sized cassettes and the time required to backup Model 6 11 and 20 drives You should be familiar with the operation of your VCR before using it with the Mirror Hardware Installation of the Corvus Mirror Your drive must already be configured for the number of virtual drives before using the Mirror Turn off all power before making any connections If you have a drive with a Mirror already installed the serial number and the drive size should both end with an M Insert one end of the phono connector cable into the VIDEO out jack on the VCR and the other end into the VIDEO IN jack on the back panel of the Corvus drive Connect one end of the other phono connector cable into the VIDEO IN jack on the VCR and the other e
26. idential 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 interference USER GUIDE CP M PART NO 7100 03160 H REV A DOCUMENT NO CPM 10 22 1 2 PUBLICATION DATE February 1983 CP M is a registered trademark of Digital Research Inc Chapter 1 Chapter 2 Chapter 3 Chapter 4 Chapter 5 Chapter 6 Table of Contents INILOQUCHON ssp sr Reviewing Some Basic Points About Your System Start Up of Your Computer System How to List a Directory ccc cece eee eee How to Run a Program ee Cre eee ra How to Save a File conos is How to Copy a File is Ea Backing Up Your Drive with the Mirror Description of the Corvus Mirror General TIDS 4 cavemh ada a Hardware Installation of the Corvus Mirror khe Mirror Menu sicario The RETRY FUNCI N esse Exiting the Mirror Program oooooooommoo Using the Mirror to Back Up Your Entire COUS DISK a A How to Back Up Single Virtual Drives on the Corvus Disk etario How to Use the Verify Option on the Mirror How to Use the Identify Option on the Mirror How to Use the Restore Option on the Mirror Printing Multiple Files oo oooooooooo m o How to Create a Pipes Area oooooooomooo How to Send a File to a Pipe Sending a File from a Pi
27. l 6 and 11 drives appear as two extra large floppy drives to your computer system Drives C and D and a Corvus Model 20 drive appear as a three extra large floppies C D and E These pseudo floppies are called virtual drives The entire Corvus disk is called a physical drive If your system only has a single floppy diskette drive you should have this single physical drive appear as two virtual drives for example the TRS 80 Model Il has a program called ONEDRIVE to do this Start Up of Your Computer System Insert the CP M boot diskette into Drive A The screen displays the initial boot instructions and information on the CP M version you should have version 2 2 or later and then a prompt similar to CP M VER 2 2 COPYRIGHT DIGITAL RESEARCH CORP A Insert a CORVUS UTILITIES VOL 1 diskette into Drive B Type B and press lt RETURN gt The screen displays Type the appropriate CLINK program for example CLINK2TN and press lt RETURN gt The screen displays CORVUS LINK INSTALLED B Remember you must run the correct CLINK program before you can use your Corvus drive How to List a Directory To list a directory for the one of the virtual drives on the Corvus follow the same procedure you use for a floppy drive For example type D DIR and press lt RETURN gt The screen displays the directory in a manner similar to INDEX DOC CERROR DOC PUTGET COM CLINK2FV COM CLINK2TN COM CLINK
28. l as a SYSGEN routine to write a configured CP M 2 X system out to the drive and to initialize a drive directory These are several versions of the Corvus link program You should choose the one that best meets your needs and ignore the others Consultthe CORVUS SYSTEMS CP M USERS GUIDE for descriptions of each program This program contains the Corvus disk drivers that are linked into CP M These programs will only work with CP M version 2 0 or later A disk diagnostic that can be used to verify correct drive operation as well as to update the controller code and change other drive parameters This is a controller code file for use with CDIAGNOS COM This is a copy of version 18 3 of the controller code for the REV H controller This program is the control program for the Corvus Mirror disk backup system This is an example program designed to illustrate how to access the semaphores supported on the Corvus drive 51 9 PMGR COM 10 SPOOL COM 11 DRIVEL COM 12 LINKASM COM LINKASM DOC This is a program that allows the user to manage the pipes area cf the drive It allows the user to initialize the pipes and clear the pipes area purge as pipe and list the current pipes and their status This is a program that use the pipes facilities on the Corvus drive It transfers files to and from an area of the drive that is acces sible by any user and or system through pipe commands Examples of its usage ar
29. n tells the Mirror to read the initial header block which is created at the beginning of each image This header block has the date time a name a comment and format information which helps you locate images on the video tape if you have several images on the same tape The Mirror program displays an error message on your CRT if the initial header block cannot be found in about 1 minute on the video cassette R RESTORE Pressing R for the RESTORE option copies a video cassette image back onto the Corvus disk This image may be stored in a different disk location than the original data copied by the Mirror The RETRY Function The RETRY function is part of the VERIFY and RESTORE options of the Mirror If you need to use this function after performingeithera VERIFY or a RESTORE a screen message is displayed that alerts you to the number of blocks that need to be retried With the RETRY function the Mirror program attempts to reconstruct data from blocks with errors to create a block without errors Exiting the Mirror Program You can exit from the Mirror program back to the CP M prompt by pressing lt CNTL gt C except in the middle of actual Mirror operations Using the Mirror to Backup Your Entire Corvus Disk 1 First make sure the Corvus Mirror and the VCR are properly connected Boot your computer system with the CP M boot diskette Run the correct CLINK program 2 Load the Mirror program from the CORVUS UTILITIES VOL 1
30. n their own Corvus disk drivers They can be run from floppy based CP M systems that are not yet linked to the Corvus drive Support for pre 2 0 versions of CP M has been dis continued The last release of pre 2 0 software dated 7 May 81 is available by special order 54 Appendix E Supplemental VCR Information Corvus Systems recommends that you purchase a VHS type video cassette recorder VCR The following VCR models have been used with the Corvus Mirror Grundig VCR 4000 PAL Format Hitachi VT 5000 PAL Format _ National NV 7000 Panasonic VHS 1000 Panasonic VHS 1500 Panasonic NV 3810 Panasonic NV 8200 Panasonic NV 1200 RCA VDP 150 RCA VET 180 RCA VCT 201 RCA VET 250 RCA VDT 350 RCA VDT 501 Sony Betamax SL 5600 Beta Format Technicolor 212 limited to 30 minute cassette Zenith VL 9700 Beta Format When used in the normal quad recording format of the Corvus Mirror video cassettes have the storage capacities listed below 30 minute cassette 18 MB maximum storage capacity 60 minute cassette 36 MB maximum storage capacity 90 minute cassette 55 MB maximum storage capacity 120 minute cassette 73 MB maximum storage capacity 55
31. nd into the VIDEO OUT jack of the Corvus drive If you have an add on Mirror see the CORVUS SYSTEMS MIRROR INSTALLATION GUIDE supplied with the add on Mirror for instructions on hardware set up The Mirror Menu LIST THIS MENU LIST HELP DATA BACKUP VERIFY IDENTIFY RESTORE TASK L TO LIST This is the Mirror menu which allows you to pick which sub program of the Mirror program you wish ies press the letter for the option you wish L LIST THIS MENU Pressing L for this option allows you to see a display of the Mirror menu as shown above H LIST HELP DATA If you press H for this option HELP DATA will display a brief description of the BACKUP IDENTIFY and RESTORE options in addition to a brief overall description of the Mirror utility program running under CP M B BACKUP Pressing B for the BACKUP option starts the Mirror option for recording an image a copy of all or part of the Corvus hard disk on the VCR See below in this chapter V VERIFY Pressing V for the VERIFY option makes the Mirror read a video tape image to check if the image has been properly recorded A search is made for hard and soft recording errors and a status report is displayed on the screen If a different VCR machine will be used for the RESTORE option than for the original BACKUP recording you can perform a verify pass to check the head alignment on the VCR l IDENTIFY Pressing I for the IDENTIFY optio
32. o perform certain hardware and software system checks and to replace the firmware if necessary You should read this entire section before using CDIAGNOS and follow the instructions very carefully CDIAGNOS is usually on VOL 1 of the CORVUS UTILITIES diskettes It must be run from your floppy drive rather than the Corvus disk drive How to Load the CDIAGNOS Program 1 You should have your hardware the computer system and the Corvus drive already connected The Corvus hard disk should be configured for your system 2 Boot your computer system with the CP M boot diskette 3 Insert the CORVUS UTILITIES VOL 1 diskette into N drive B Type CDIAGNOS and press lt RETURN gt The screen ee something like this CORVUS DISC DIAGNOSTIC VERSION 2 55 TT TEST MENU LIST THIS MENU LIST INSTRUCTIONS LIST INSTRUCTIONS DISC FORMAT CHECK READ CONTROLLER CODE VERSION HEAD SERVO CHECK TEST MANUAL CONTROLLER DIAGNOSTIC UPDATE CONTROLLER CODE LIST MODIFY DRIVE PARAMETERS LIST MODIFY CONSTLLATION PARAMETERS EXIT BACK TO CP M CTL C ALSO WORKS P PARK REV H DRIVE HEADS TASK TO LIST O 2 1 2 3 4 5 6 7 8 9 37 4 To use CDIAGNOS press the number for the task and follow the directions If you wish to exit CDIAGNOS and return to CP M press Q when prompted for a task or hold the control key and press C lt CNTL gt C A Brief Description of the CD
33. pe to a Printer How to Clear the Pipes rea oooo oo How to Clear a Single Pipe o ooooo o What Is in the Pipes o ooooooomoo o o Troubleshooting Your Corvus Drive Diagnostic Utilities for Your Corvus Drive How to Load the CDIAGNOS Program A Brief Description of the CDIAGNOS MENU APPENDIX A APPENDIX B APPENDIX C APPENDIX D APPENDIX E List of Common CP M Extensions 45 Corvus Disk Error Codes o ooooo ooo 47 Description of CDIAGNOS Program 49 Description of Corvus Utilities Programs 53 Supplemental VCR Information 57 Chapter 1 Introduction The CORVUS SYSTEMS CP M USER GUIDE provides you with a general introduction to the Corvus hard disk system the Mirror option for backup of data the pipes and spooling features for moving files between computers and peripherals trouble shooting pro cedures and diagnostic programs Your Corvus hard disk system should already be installed and configured for a single user Please retain your installation guide for future reference The CORVUS SYSTEMS CP M USER GUIDE is used with the following computers TRS 80 Model Il under CP M XEROX 820 Zenith Z 89 or Z 90 Intertec SuperBrain NEC PC 8001 PC 8001A or PC 8800 S 100 Bus Systems for example e Cromemco under CP M CCS California Computer Sys
34. rt the VCR recording on most recorders you will have to press both the play and record buttons pice lt RETURN gt The screen displays WAITING FOR RECORDER TO SPEED UP After about half a minute the screen displays BACKUP HAS STARTED lt lt 12 When the backup is finished about 11 minutes for the 6 MB drive 17 minutes for the 10 MB drive and 35 minutes for the 20 MB drive the screen displays BACKUP DONE NO DISK ERRORS TASK L TO LIST __ 13 Stop the VCR It is strongly recommended that you copy down the VCR counter number so you will know the approximate starting and ending locations of the image on the video cassette It is a good idea to record just one entire drive on each cassette and to use a double back up system keeping the current backup and one copy of the next previous backup on another cassette 12 How to Backup Single Virtual Drives on the Corvus Disk 1 Boot your computer system with the CP M diskette and then run the correct CLINK program 2 Load the Mirror program on the CORVUS UTILITIES VOL 1 diskette in Drive B by typing MIRROR and pressing lt RETURN gt The screen displays the Mirror menu LIST THIS MENU LIST HELP DATA BACKUP VERIFY IDENTIFY RESTORE TASK L TO LIST 3 Press B for Backup The screen displays BACKUP ENTIRE CORVUS DISK Y N 4 Press N for No The screen now displays STARTING DISK BLOCK
35. s lt RETURN gt if you have no comment The screen displays NORMAL OR FAST FORMAT N F 12 Press N for Normal The screen displays START UP RECORDER AND PRESS RETURN 15 13 M ke sure the VCR is on and the video cassette is loaded property Write down the VCR counter number on a piece of paper and save it Start the VCR recording on most recorders you will have to press both the play and recard buttons Press lt RETURN gt The screen displays WAITING FOR RECORDER TO SPEED UP After about a half a minute the screen displays BACKUP HAS STARTED 14 When Backup is finished the screen displays BACKUP DONE NO DISK ERRORS TASK L TO LIST _ 15 Now stop the VCR and copy down the VCR counter number If you do record more than one image on a cassette it is recom mended that a gap be left between different virtual drives so that the initial header blocks can be iocated easier How to Use the Verify Option on the Mirror 1 Rewind the video cassette to the start of the tape or to the loca tion on the cassette you copied down earlier 2 Your computer should be operating under CP M The Corvus drive should be on and the Corvus link established The Mirror and VCR hardware should be connected 16 3 Load the Mirror program from the CORVUS UTILITIES VOL 1 diskette in Drive B by typing MIRROR and pressing lt RETURN gt The screen displays LIST THIS MENU LIST HELP DATA
36. s disk system is designed to provide years of problem free use At times however it may experience a hardware or software problem If your drive is not performing properly consult the follow ing table for recommended actions Corvus Systems suggests that you take two simple steps when you first set up your system e Make copies of the Corvus Utilities Program diskettes e Copy down on paper the spared track and virtual drive offset tables See page 49 of this manual PROBLEM OPERATION TO FIX PROBLEM A NO FRONT PANEL 1 INDICATOR LIGHTS ON 31 2 Make sure power switch is on Check power cord connec tions to drive and wal socket Inspect fuse replace with proper fuse if blown see the Installation Guide for your computer Check the Voltage Circuit Board for correct voltage and installation see the Installa tion Guide for your computer Listen to the drive and hear if fan is spinning If fan is not operating repeat Steps 1 4 then call your Corvus Service Center for further instructions If fan operating go Step 7 Toggle Reset Switch right most switch on front panel If front panel lights remain off and fan is operating call your Corvus Service Center for further instructions B FAULT AND BUSY LIGHTS COME ON AFTER POWER UP SEQUENCE BUSY LIGHT FLASHES FOR A WHILE THEN BOTH LIGHTS STAY ON 10 11 12 Toggle Reset Switch on front panel Check all front panel swit
37. tems e Dynabyte e North Star e Vector Graphic as well as other systems Consult with your dealer if you wish infor mation about a specific computer system or a particular model This guide and other Corvus manuals do not take the place of the operating system and language manuals provided by the manu facturer of your computer It is presumed that you have a working knowledge of your computer system hardware and software For more detailed information on Corvus software refer to Appendix F For information on multi user configurations refer to the CORVUS SYSTEMS MULTIPLEXER INSTALLATION GUIDE for your computer CP M is a registered trademark of Digital Research Inc Corvus Mirror is a registered trademark of Corvus Systems Inc TRS 80 is a trademark of Tandy Corporation XEROX and 820 are registered trademarks of XEROX Corporation Cromemco is a trademark of Cromemco Inc North Star is a trademark of North Star Computers Inc Dynabyte is a trademark of Dynabyte Business Computers Superbrain is a trademark of Intertec Data Systems Vector Graphic is a trademark of Vector Graphic Inc NEC PC 8001 is a trademark of Nippon Electric Corporation 1 Chapter 2 Reviewing Some Basic Points About Your System Your Corvus hard disk system should be installed and configured at this point following the directions provided in the installation guide for your computer The standard configuration makes the Corvus Mode
38. urce code for some Microsoft MACRO assemblers Machine code Object code Pascal source file Sorcin Pascal run tim module Relocatable machine code program Source file for CP M User s Group Command file for a submit run Text file Temporary file or an improperly saved un usable file 45 46 Appendix B Corvus Disk Error Codes text of CERROR DOC file from CORVUS UTILITIES DISKETTE VOL 1 Corvus Disk Error Codes The Corvus controller has a number of error codes that may be issued if either an illegal command is given or the controller is out of synchronization or there is a hardware malfunction A number of the utilities and disk interface programs can list these error codes in hex if such an error occurs For example PUTGET COM may list the code as DISK R W ERROR XXH where XX is the error code You can demonstrate this by trying to read a sector with PUTGET from drive 4 unless you have four drivers This will give error code A7H The upper 3 bits of the error code have the following significance BIT 5 Set if there was a recoverable error as in a re try or read or write BIT 6 Set if an error occurred on a re read verification following a disk write BIT 7 Set if any fatal error has occurred NOTE Most of the programs will not list the error unless bit 7 is set The lower 5 bits have the following significance BITS 0 4 MEANING Disk Header Fault Seek Timeout Seek Fault Seek Error
39. ys Pmar 1 1 L ist P urge C lear I nit Q uit 27 2 Press C for Clear The screen displays Clearing Pipes area Starting Block 0 Block Length 500 Continue Y N 3 Press Y The screen displays Pipes Area Cleared You have just cleared the entire pipes area of files How to Clear a Single Pipe 1 Insert the CORVUS UTILITIES VOL 1 diskette into floppy drive B Type PMGR and press RETURN The screen displays Pmgr 1 1 L ist P urge C lear Knit Quit 2 Press P for purge The screen displays ba Purge which pipe enter pipe number 3 Type 1 and press RETURN The screen displays PIPE ERROR 12 Pipe does not exist _ Pipe number 1 did not have any data in it because the pipes area was already cleared 28 What Is In the Pipes It is possible to find out what pipes you have spooled to in the following way 1 Insert the CORVUS UTILITIES VOL 1 diskette into floppy drive B Type PMGR and press RETURN The screen displays Pmgr 1 1 L ist P urge C lear I nit Q uit 2 Press L for list The screen displays something like Active Pipes are 1 PENPLOT Closed Contains Data 2 PRINTER Closed Contains Data A pipe is open only while spooling or despooling If a pipe does not contain data it will not be listed 3 To quit press Q The screen displays 29 30 Chapter 5 Troubleshooting Your Corvus Drive The Corvu

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