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Summary of Contents for Max-80

Page 1: ...HARDWARE SETUP ...

Page 2: ......

Page 3: ...Before You Start HS 5 MAX 80 Back Panel HS 7 3 DRIVE INSTALLATION HS 9 Minifloppy 5 1 4 Inch Disk Drives HS 9 8 Inch Floppy Disk Drives HS 13 Winchester Hard Drives HS 17 Boot Drive Selection Switch HS 18 4 OTHER INTERFACES HS 21 Serial Ports HS 21 Printers With Parallel Interfaces HS 23 Video Hookup HS 24 5 PLUGGING IN HS 25 6 DISKETTE CARE a HS 29 LOB0 SYSTEMS HS i VERSION 1 1 ...

Page 4: ...HARDWARE S E T U P LOB0 SYSTEMS CONTENTS V E R S I O N 1 1 ...

Page 5: ...als cables and software The major components are MAX 80 with CP M and manuals LDOS with manual Monitor Dual 5 1 4 inch floppy system with either 40 or 80 track drives Dual 8 inch floppy system 5 1 4 inch hard drive Printer Modem If you have ordered more than one of these components and it does not arrive within two days of the other equipment that you have ordered and we have not sent you a notifi...

Page 6: ...any complex machinery the components of a computer system must be carefully packed and well insured before shipping BEFORE you remove your system from its shipping container inspect it for shipping damage or mishandling bent corners scarred sides etc If there is damage immediately file a report with the carrier Do not remove the component if there is agy evidence of damage Next remove the equipmen...

Page 7: ...TS DOCUMENTATION I SOFTWARE MAILING ADDRESS w CARDBOARD BRACE AC POWER CORD END BLOCKS PLASTIC BAG MAX 80 CARTON F PACKING LIST RETURN ADDRESS I RMA NUMBER NOTE The R M A number is necessary if any component is to be returned to Lobo systems LOR0 SYSTEMS VERSION 1 1 ...

Page 8: ...HARDWARE SETUP LOB0 SYSTEMS UNPACKING VERSION 1 1 ...

Page 9: ...115 Volt AC power we recommend purchasing a switched power distribution box usually a six outlet box will do A switched connector eliminates or at least lessens the chore of remembering to turn on all of the separate units The power distribution box can be used because the MAX 80 does not require the peripherals to be turned on in any particular order so they might as well all be turned on at once...

Page 10: ...i e you lose everything you have been working on since the last time you stored your work on disk If such brownouts are a problem with that power line you should either try to find a cleaner line perhaps without your electric dryer refrigera tort etc on it or should invest in an uninterruptable power supply UPS The chief advantage of an UPS by the way is that the power can go out altogether and it...

Page 11: ...ck for a video monitor Serial A and Serial B RS 232C connector for a serial printer modem etc 8 Inch Floppy 50 pin parallel connector for one t o four Lobo compatible 8 inch floppy disk drives con troller is in the MAX 80 5 1 4 Inch Floppy 34 pin parallel connector for one to four Lobo compatible 5 1 4 inch floppy disk drives controller is in the MAX 80 The equipment can be connected in any order ...

Page 12: ...HARDWARE S E T U P HARDWARE ASSEMBLY L O B 0 SYSTEMS V E R S I O N 1 1 ...

Page 13: ...r If you order a second dual drive with your MAX 80 or specify that the drives you order will be your third and forth drives then your second drive configuration will have a special tongue connector This connector taps into the middle of the first drive s cable The tongue connector may not have a polarizing key so be sure that the cable s dark colored edges are situated close together This dual dr...

Page 14: ...the next page A TRS 80 compatible cable also is unique It has specific pins removed from each of the connectors Plug the computer end of this cable the connector furthest from the other four into the MAX 80 The edge with the dark stripe goes closest t o the Pin 1 label on the back panel of the MAX 80 The next connector on the cable plugs into Drive 1 which may or not be Drive A in MAX 80 CP M The ...

Page 15: ...HARDWARE SETUP DRIVE INSTALLATION LOB0 SYSTEMS VERSION 1 1 ...

Page 16: ... attaching Pin 32 of the drive s connector t o some other place in the drive Remove this wire Again one and only one of the drives must have a terminator resistor and Lobo attaches the label NO T R t o its unterminated drives You must locate the terminator a 14 or 16 pin chip plugged into a socket near the dip shunt within each drive and remove any extras you may have A straight through cable i e ...

Page 17: ...oppy connector through its 50 line ribbon cable The edge with the dark stripe goes closest to the Pin 1 label on the back panel of the MAX 80 See the figure above A polarizing key in the connector should prevent the cable from being connected upside down This first dual drive unit will include a terminat ing resistor If you order a second dual drive with your MAX 80 or specify that the drives you ...

Page 18: ...inch Lobo drives Install jumpers A I B C X Z H L O O and T1 Place the L jumper if your drive has one t o the 5 position parallel to the drive s side To avoid confusion REMOVE ALL OTHER JUMPERS If you have a single 8 inch drive Add jumpers DSltT3 T4 T5 and T6 If you have a dual 8 inch drive system On Drive 1 add DS1 Remove T3 T4 T5 and T6 On Drive 2 add DS2t T3 T4r T5 and T6 If you have a three dri...

Page 19: ...ine Package DIP shunt so all eight jumpers are intact 2 1 HL A B X I I R and S If you have a single 8 inch drive Add DSl and the 150 Ohm resistor network If you have a dual 8 inch drive system On Drive 1 install DSl Remove the 150 Ohm resistor network On Drive 21 install DS2 and a 150 Ohm resistor network If you have a three drive system On Drive 1 install DS1 Remove the 150 Ohm resistor network O...

Page 20: ...es must be obtained from your drive supplier when Drive Select DSn is asserted Drive n is selec ted its activity light is on its head is loaded its head positioner is energized and its door is locked TWO headed drives respond to the HEAD0 signal for head selection The drive should reduce its write current in response t o LOWI The drive should return only one index pulse per diskette revolution I T...

Page 21: ...lug one end into the socket on the hard drive so that the dark stripe on the edge of the cable is nearest the notch in the hard drive edge connector Plug the other end of the cable into the MAX 80 so that its dark edge is nearest the Pin 1 indicator on the back panel The controllers of Winchester disk drives have radically varying interfacing requirements so we cannot possibly give you installatio...

Page 22: ...he appropriate rockers with a small screwdriver pen tip unbent paper clip or whatever just be sure not to harm the switches themselves The MAX 80 is shipped with all of the rockers pointed down so if the MAX 80 is turned on without a boot drive being chosen it will beep at you repeatedly Obviously at first you won t be choosing either of the hard drive boot options as the operating system is suppl...

Page 23: ...CTED TO MAX 80 5lNCH HARD DRlVE CONNECTEDTHROUGH UVC 8 INCH HARD DRlVE CONNECTED THROUGH UVC 5 INCH FLOPPY CONNECTED THROUGH UVC 8lNCH FLOPPY CONNECTED THROUGH UVC LOBO HARD DRlVE CONNECTED THROUGH SASl BOOT D R l V E SELECTION NOTE T h i s is the B O O T drive selection switch It does NOT de termine which other drives are on your system L O B 0 SYSTEMS HS 19 VERSION 1 1 ...

Page 24: ...HARDWARE SETUP LOB0 SYSTEMS DRIVE INSTALLATION VERSION 1 1 ...

Page 25: ... controller boards The connectors are one way so you don t have to worry about the location of Pin 1 The standard connector used for the RS 232C interface is called the DB25 connector In order to attach to the MAX 80 the device s cable must have a male DB25 connector at its MAX 80 end The MAX 80 connectors are shown below SERIAL F u n I u d LOB0 SYSTEMS HS 21 VERSION 1 1 ...

Page 26: ...nnectors of two serial printers usually match but the lines in the connectors do different things Your best procedure is simply to plug in the printer modem or whatever and output something to it The software adjustments necessary for configuring the MAX 80 to recognize and talk civily to your equipment are described in the manual CPm Startup If you have problems with your equipment then compare t...

Page 27: ...ble printer t o the MAX 80 you ll need a 34 line cable that has an edge connector on its MAX 80 end Make sure Line 1 of this connector is attached t o Pin 1 of the MAX 80 connector indicated next t o the connector Most parallel cables are flat and so an edge connector available from any electronics store can easily be attached t o them just make sure t o keep track of Line 1 still plugging the con...

Page 28: ...ite video monitor Most monitors produced these days have composite video output Both the MAX 80 connector and the connector on the back of the Lob0 monitor require a male phono plug The appropriate cable is included with the Lobo monitor VIDEO CONNECTOR LOB0 SYSTEMS HS 24 VERSION 1 1 ...

Page 29: ... cheating with 2 wire extension cords and that all are plugged into the same ground line another advantage of having a single power switch box In many cases the MAX 80 will not boot up if the ground is not adequate In older houses for instance there frequently is no ground line and sometimes even the groundable adapter plugs do not work because the outlet box itself is not grounded In such cases y...

Page 30: ...ere on previously they should now turn on If the diskette has nothing on it at all i t was last passed under a bulk eraser the light and motor a s well as the MAX 80 beeper will stay on But if the diskette has been formatted the light will soon go off and the computer will stop beeping though of course you will only get static on the monitor A new diskette by the way may come formatted from the fa...

Page 31: ... ERASE Y O U R DISKETTES 5 If any of t h e drive lights are o n or t h e wrong motors are running either o n e o r more of your connectors is upside down or you have left a n unused connector at t h e wrong end of the connector cable Turn off o r disconnect t h e plugs t o your entire system and re read the drive hook u p instructions above After you think you have corrected t h e error turn o n t...

Page 32: ...HARDWARE SETUP LOB0 SYSTEMS PLUGGING IN VERSION 1 1 ...

Page 33: ...o not try t o wipe the diskette surface microscratches can destroy even more data 3 Keep the diskette away from magnetic fields TV sets speakers AC motors transformers magnets etc Strong magnetic fields will destroy data on the diskettes Weaker magnetic fields will cause the records on diskettes t o become unreliable NOTE the utility COPIER can be used t o strengthen the magnetic records on some d...

Page 34: ...ir can be enough for you t o lose random bits of data It is advisable not t o smoke near the computer at all but at least t o avoid smoking near the drives 6 Use only felt tip pens t o write on diskette labels Pressing on the label with a pen or pencil will cause slight indentations in the diskette surface So the next time the drive head passes over that area it can skip over the data in the inden...

Page 35: ... inch diskette PLACE a silvered or other opaque stick on tab over the write protect notch To write protect an 8 inch diskette REMOVE the silvered stick on tab See the fiaure on the next page for the locations of these notches If a diskette is write protected the system will not be able to write information onto the diskette All masters should be write protected 8 lNCH DISKETTE WRITE ENABLE NOTCH 5...

Page 36: ...he locations of their sector holes Note the figure below single and double sided 5 1 4 inch diskettes look exactly the same The only way to tell the difference is t o read their labels SINGLE SIDED 8 INCH DISKETTE DOUBLE SIDED 8 INCH DISKETTE SINGLEfDOUBLE SIDED 8 lNCH DISKETTES LOB0 SYSTEMS VERSION 1 1 ...

Page 37: ...el 7 8 Boot drive Selection switch 18 19 Brownouts 6 INDEX c Centronics See Printer parallel Composite video 24 Connector edge See Edge connector Controller Board 21 Winchester drive 7 COPIER Utility 29 CP M inclusive CRT See Video D_ DB25 connector 21 Dip shunt 10 11 Diskette 29 32 Drive See the appropriate type Boot 8 inch floppy Minifloppy Winchester LOB0 SYSTEMS VERSION 1 1 ...

Page 38: ...rfacing drives See appropriate drive type LOB0 SYSTEMS Minifloppy drive 1 7 Jumpering 9 12 Installation1 9 Modem 21 Monitor See Video Packing See Unpacking advice Panel back 7 8 Parallel printer See Printer1 parallel Phono plug 24 Power distribution box 5 Power electrical 5 1 7 25 Power surges 6 Printers Parallel 17 23 Serial 21 22 RS 232C Port 21 Standard 22 VERSION 1 1 ...

Page 39: ...ort 7 22 Serial printer See Printer serial System check 25 27 U Unpacking advice 1 3 Video Connector 7 24 T Termniator resistor 9 12 15 W Testr system 25 27 Winchester drive 17 Write enable protect notches 31 LOB0 SYSTEMS VERSION 1 1 ...

Page 40: ...HARDWARE SETUP LOB0 SYSTEMS VERSION 1 1 ...

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