r TAN DON MAGNETICS CORPORATION 9333 050 AVENUE CHATSWORTH, CALIFORNIA 91311 (213l 993·6644 MANUAL PIN 171024 'anaon TM 100 DISK DRIVE OPERATING & SERVICE MANUAL
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TABLE OF CONTENTS SECTION I GENERAL DESCRIPTION AND SPECIFICATIONS. Introduction Purpo.e ot Equipment PhY.;CIII D&SCription of Equipment Functional Description ... Di.kenes . Mechanical end Electrical SpecHiClltion• . . Interhsce Specifications. Uncrating the Disk Drive . Phy.ical Checkout Interface Connection. . Chessis Ground . Mounting the Di.k Drive D;skene Handling and Storage Loading the Diskelle . Write Protect. . DC Power Requirement<. SECTION II , THEORY OF OPERATION. Introduction ...
• TI"" SCME • 50 .",,10'. INDEX TO DATA Fig. 15 3.6.2 TRACK ee SWITCH (1) Apply the nec"l'Sary power end cont,ol to turn on th, drive. 1211nse" lhe CE Alignment Diskette into the drive end close the 1'0111 latch. j31 Position lhe ca"iege to the r&diel alignment trado. Confirm the position by observing lhe cat...ye panern. (4) If adjustmell1 is required, remove the CE Diskeue.
SECTION I GENERAL DESCRIPTION AND SPECIFICATIONS 1.1 INTRODUCTION Thi. Metion prOYideI the phy.iul Ind functio....1 specilicltions for !he TM100 Di.... Drivi. manulllCwred by TANDON MAGNETICS CORPORATION. 1.2 PURPOSE OF THE DRIVE Thl TM100 Di.k Drive i. B "MINI" Disk MBfTlory d..igned for random lICC.... dati Intry. ltorage. and retrieval Ipplication•. Th"'llPplicllion. typically Irl int.lligent terminal controllt<"1. micro-eomputlrl. word ptoc.... ing .... II.,-nl. datil communic:ltion.
1.4 FUNCTIONAL DESCRIPTION OF THE DRIVE Tha Di'k Drive is fully self"'Con1llined and requires no operatOr inte'VentlOo dudng oormal Opafll!ion. The Drive cOnliltl cl a spindle drive Iystem. I head po,itioninglYltem. and read!write!erne IYltem. When the frol1-t latch 11 opened, 8CCeSl il provided for the inltlrtioo of a diskette. The diskelle il positionlld in place by pla$li'c llUioes, end the front letch. In/out locatiOn il ensured -when the di'kette is in...rted until a back Itop il encountl"d.
3.3.2.4 READ DATA INREADDATAI This interlace line transmits the readback data to me controller when tI\e Drive is selected. It provides a pulse for each flu~ transition recorded on the medium. Tha READ DATA output lina goeIt'ue !low) for a duration of 1 uroe<: for each f1u~ change recorded. The leading edge of the READ DATA output pulse repre""nll the true POIitions for the flux trlnsiStiOns on the diskette surface, 3.
TABLE 1 3.3.1.2 DRIVE MOTOR ENABLE (NMOTORON! Wh.n this signal line logic level (/Ofltrue Howl, the drive motor accelerates to its nominal speed of 300 rpm and stabilizes in less than 250 m..c. When the logic level goes lalse (highl. the Disk Drive dec~erates to a MECHANICAL AND ELECTRICAL SPECIFICATIONS ,,~ 3.3.1.3 DIRECTION and STEP Linlsl2 Lir>eslIDIRl (NSTEP) When the Disk Drive is selected.• true (lowl pulse with a tim. duration greater than 200 nse<: on the STEP line initiates the acc." motion.
1.10 TABLE 2 INTERFACE CONNECTOR PIN ASSIGNMENTS, Jl/Pl Controll ...·to-Oisk Dri... Ground , 3 5 9 " " " " " " "" Gr... nd , ,."" " Signal Desc,iption IMnemonicl , Connector damp (Spar,1 • SELECT 3 (NDS3) SELECT 0 (N05O) 6 " " .. SELECT 1 (NOS11 SELECT 2 (NOS21 "" 'ach. Th,lignal connector harness should be Ofthelllt,ibbon or twi,lId pelr tYpe with th, loIlowin.g chal'1lCt...istics: III Meximum length of 10 feel. (21 22·24 gauge conductor cClmpetibl, with thl connector 10 be uMd. P..
1.12.1 HARDWARE The Oi,k Oem.. Ihoould Illow for Idjllsubl, brleklll or IncorporaU! rlKilienl I\'lWI'lobtB 10 aQIXlIl1I'rtOdati tol..
SECTION III fllJU" 2 illullr.te. th. phy.iclIl conlilJUratlon of th. di.k.tt•. Th. di.kette I. an oxide coat.-:l, fl.xlbl. myl" di.k, 130.2 mm 15,125 Inch..l In dl.meter, .nd I•• nclosed In.n 133,4 mm x 133,4 mm (5.25 x 5.2S·;ochl protactillil jacket. A..dJ.....h.t..._ he.-:lacc... II rn.Idot lh.oogh .n .pertUfe In the jackel. O""nlnGflo. th. drl.... hub .nd dl.kettl index hole ..e .110 provided, OPERATION Figura 4 providellOme helpful hln" on the eK• • nd h.ndlin\l 01 the Di.k Dri"'.
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