NorthStar Horizon Installation Manual Download | Manualshive

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Summary of Contents for Horizon

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Page 3: ...HORIZON Hard Disk Installation Guide 03745A ...

Page 4: ...HORIZON is a registered trademark of North Star Computers Inc Copyright 1984 by North Star Computers Inc All rights reserved To reorder this guide order part number 03745 ...

Page 5: ...e pursuant to SUbpart J of Part 15 of FCC Rules Only peripherals computer input output devices terminals printers etc certified to comply with the Class A limits may be attached r to this computer Operation with non certified peripherals is likely to result in interference to radio and TV reception ...

Page 6: ...RIVE CAVITY 6 MOUNTING THE NEW DISK DRIVE BRACKET 10 RE INSTALLING DISK DRIVE 11 11 INSTALLING THE HARD DISK POOER BOOST MODULE 12 MOUNTING THE HARD DISK CONTROLLER BOARD 17 MOUNTING AND CONNECTING THE HARD DISK DRIVE 18 FINAL CHECKOUT 23 ADDITIONAL INSTALLATION INFORMATION 25 i ...

Page 7: ...PAIR MUST BE ACCOMPANIED BY A DATED COPY OF THE ORIGINAL SALES RECEIPT The item should be returned to the dealer from whom the product was purchased for implementation of the warranty When sending the item to the factory for repair the dealer must call North Star to receive a Return Material Authorization RMA number to accompany the item to the factory Terminals and printers are covered under sepa...

Page 8: ... these hard disk drive kits The guide presents generic installation procedures when possible but it should be noted that exceptions between the kits do exist If installation of a particular drive requires alternate steps these steps are indicated in the text or a reference is made to a manual containing appropriate installation instructions The following tools are recommended for installing a hard...

Page 9: ...et o Hard disk power supply cable o A 20 conductor pre folded ribbon cable o A 34 conductor pre folded ribbon cable o Disk drive brace o Hard Disk Information label o Plastic cable tie wrap o Two 4 40 x 3 8 ft screws o Two 4 split lockwashers o Two 4 flat washers o Three 10 male terminals o Three 10 32 x 3 8 slotted screws o Four 6 32 x 1 4 ft screws o Four 16 flat washers The following additional...

Page 10: ...rd disk drives are sensitive to mechanical shock and should be handled with care Dropping or jarring a drive can cause damage to the read write mechanism and may result in a loss of data Take the following precautions when handling your hard disk drive o Do not remove the drive from the shipping container until you are ready to insert it into the computer o Never place the drive on a hard surface ...

Page 11: ...IN mODUCfIOR cont Disk Drive DC Power Distribution 4 DC Power Connector Typical Disk Drive _ _ DC Power Connector Miniscribe Disk Drive HORIZON Hard Disk Installation Guide ...

Page 12: ...his is not an upgrade from a smaller capacity hard disk drive and if your machine s serial number is 39999 or less several changes to the HORIZON s chassis and power supply are necessary These modifications should be completed before you begin installation of the hard disk drive and the hard disk controller board Installation instructions for the chassis and power supply modifications may be found...

Page 13: ...wall outlet and disconnect the power cord from the power receptacle on the back of the computer 4 Make a note of the locations for later re connection of all cables attached to the back panel of the computer Disconnect the cables 5 Remove the four screws that hold the HORIZON top cover in place and put the screws and lock washers in a safe place 6 HORIZON Hard Disk Installation Guide ...

Page 14: ...connector J2 on the top rear of the Drive 2 circuit board 3 Unplug the signal ribbon cable from connector Jl on the bottom rear of the Drive 2 circuit board 4 Fasten the DC power cable to the metal partition at the center of the HORIZON chassis using the plastic tie wrap supplied in the installation kit If you do not perform this step the power cable may be later drawn into the HORIZON fan Tie wra...

Page 15: ...ve mounting bracket CAU IOH Be careful not to touch the disk drive assembly if you use a magnet tized screwdriver to remove the screws 0 Hote Do not re use the two screws you just removed from Drive 2 when you install the hard disk drive Use two of the 6 62 x 1 4 screws supplied in the shipping kit 7 Pull drive 2 out of the front of the HORIZON It may be necessary to loosen the drive by moving it ...

Page 16: ... and may be slightly different on your dr i vee Drive 2 resistor network 9 Set aside Drive 2 It may be used as a replacement for Drive 1 or as an auxiliary disk drive _ _ _ _ _ _ _ _ _ _ _ _ _ 10 Repeat steps 1 2 5 and 6 to remove Drive 1 Do not tie off the power cable to Drive II 11 Ins tall th e resistor network from Drive 2 on Drive 1 HORIZON Hard Disk Installation Guide Drive 1 with Resistor N...

Page 17: ...ng bracket attached to the bottom of the HORIZON Save the screws and use them to mount the new bracket that is included with the installation kit 2 Position the new disk drive bracket with the offset side facing the right side of the HORIZON cabinet The new hard disk drive and Drive 1 screwholes should be centered over the access holes on the bottom of the HORIZON 3 Attach the new bracket to the H...

Page 18: ...J2 at the top of the Drive 1 circuit board _ 4 Slice the drive completely into the HORIZON positioning it over the access holes in the bottom of the HORIZON frame 5 Insert the original screws removec from the drive and tighten them securely 6 Set the HORIZON back on its base CAUTION Retrieve any screws that are dropped into the HORIZON A loose screw could slip under the motherboard and cause a sho...

Page 19: ...sembly and the rear panel of the HORIZON The thermal compound serves to increase the efficiency of the heat sink Note Use the thermal compound sparingly A little goes a long way _ _ 1 Remove the power boost module from the shipping kit and coat the mating surface of the mod ule with thermal compound Leave the area which cov ers the serial connector hole free of compound 12 HORIZON Hard Disk Instal...

Page 20: ...ule to the bottom inboard serial connector hole on the inside of the HORIZON rear panel Use two 4 40 screws two 4 flat washers and two 4 lock washers supplied in the shipping kit Tighten the screws down fully to maximize contact between the power boost module and the back panel of the HORIZON HORIZON Hard Disk Installation Guide 13 ...

Page 21: ...pin female connector onto the male connector of the power boost module These connectors are keyed to facilitate proper orientation 5 Dress the seven wires of the power boost module cable under the central metal partition of the HORIZON 6 If you do not have male terminals attached to your filter capacitors remove the screw attaching the thick red wires to the top of the largest capacitor Save the l...

Page 22: ...ends of the red wires Do not overtighten the screw m le min j 8 Repeat step 7 to attach a male terminal to the capacitor terminal containing black wires same capacitor 9 Repeat the step 7 to install a third male terminal to the orange wire terminal of the middle filter capacitor 10 Push the thin red wire connector from the power boost module cable on the male terminal attached to the group of red ...

Page 23: ...ure to connect the short black wire from the power boost module cable to the heavy black wires attached to the same filter capacitor 12 Use the same method to connect the short orange wire from the power boost module cable to the heavier orange wires attached to the medium sized capacitor 16 HORIZON Hard Disk Installation Guide ...

Page 24: ...oller board only insert and remove the circuit board by using the plastic tabs located on the upper corners _ 1 If you are installing a hard disk drive for the first time or if you are upgrading a pre existing hard disk drive use the hard disk controller board that was shipped with your installation kit 2 Insert the hard disk controller board in slot PIO with the component side of the board facing...

Page 25: ...cable are not crisp and flat run your finger over the folds several times 2 Position the cable connector over the 20 pin header at the top of the controller board and press it into place red strip 3 Position the pre folded 34 conductor ribbon cable over the 34 pin header at the top of the controller board and press it into place V f redstrip I 34 pin header 18 HORIZON Hard Disk Installation Guide ...

Page 26: ...d in the shipping kit Attach the label to the rear panel of the HORIZON 5 Insert the hard disk drive into the HORIZON with its circuit board facing the circuit board of Drive il Only insert the drive half way at this time 6 Plug the 20 connector ribbon cable onto the small keyed edge connector at the bottom of the hard disk circuit board Make sure they are aligned properly before pressing them tog...

Page 27: ...yed edge connector red strip 8 Check that the pre folded ribbon cables lie flat without twists Check that the DC power supply cable runs under the central metal partition of the HORIZON 9 Plug the power supply cable into the white connector on the top rear of the hard disk circuit board 10 Fold the signal cable that was attached to Drive 2 back out of the way of the hard disk drive 11 Push the har...

Page 28: ...d drive 2 to the original disk drive mounting bracket They are 1 8 too long 0 14 Set the HORIZON on its base and recheck all cable connections for a snug fit 15 Recheck the arrangement of wires on the filter capacitors to make sure that wires of the same color are grouped together and all screws are firmly in place 16 Remove the ADC brace 2 X 7 flat piece of metal from the installation kit and pos...

Page 29: ...e Mounting and Connecting the Bard Disk Drive 17 Screw the ADC brace in place with two 6 32 x 1 4 screws from the installation kit _ _ ADCbrace 22 This completes the procedure for mounting and connecting the hard disk drive HORIZON Hard Disk Installation Guide ...

Page 30: ...rn the main power switch ON _ _ _ _ _ _ 6 When the power is turned on the hard disk drive motor begins to operate The noise of the hard disk motor is somewhat higher pitched than the sound of the floppy disk drive motor The light on the front of the hard disk should turn on and stay on Note The HD 5 and HD 15 hard disk drives come up to operating speed more quickly than the HD 30 If your HORIZON h...

Page 31: ... BEFORE YOU REMOVE THE HORIZON COVER TURN OFF THE MAIN POWER SWITCH UNPLUG THE POWER CORD FROM THE WALL OUTLET AND DETACH THE CORD FROM THE POWER RECEPTACLE ON THE BACK OF THE HORIZON 8 Remove the HORIZON cover and check the alignment and connections of the power cable and the two ribbon cables Make sure all the cables are firmly seated 9 Reassemble the HORIZON and turn on the main power switch af...

Page 32: ...d install the operating system software Specific information about hard disk operating systems such as HDOS or TurboDOS the operating systems available for your HORIZON may be found in separate manuals For detailed technical information refer to the HORIZON Hard Disk Technical Manual available separately through your North Star dealer HORIZON Hard Disk Installation Guide 25 ...

Page 33: ...26 HORIZON Hard Disk Installation Guide ...

Page 34: ...der your suggestions for incorporation in future versions of this manual Thank you Do you find the manual easy to use and understand 0 YES 0 NO Do you think certain aspects should be organized differently If so please explain below Are there specific points or issues in the manual that need clarification or correction Please give reference page numbers and paragraph table figure headings and descr...

Page 35: ... FIRST CLASS PERMIT NO 2106 SAN LEANDRO CA POSTAGE WILL BE PAID BY ADDRESSEE North Star Computers Inc ATTENTION Technical Publications 14440 Catalina Street San Leandro CA 94577 FOLD NO POSTAGE NECESSARY IF MAILED IN THE UNITED STATES ...

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