Instruction/ maintenance manual of the product SFD-321B/LFHSE Samsung
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SEMA ELECTRONICS CO.,L TD OE M MA N U A L SFD- 321B 3.5i n ch DUAL DENS I T Y M I CRO F LO P PY DI SK DRI VE SP E CI F I CAT IONS SEMA ELE CTRO NICS CO.
SEMA ELECTRONICS CO.,L TD FLOP PY DISK DRI V E SPEC IFI CAT I ON PAG E 1 MOD EL S F D - 321B CONTENTS 1. INTRODUCTION 1 .1 A ppl i cat i on 1. 2 D is k U s e d 2. GENERAL SPECIFICATIONS 2. 1 Pe rf o r m a nc e 2 . 2 E nvi r onm en t al C ond i t i ons 2 .
SEMA ELECTRONICS CO.,L TD FLOP PY DISK DRI V E SPEC IFI CAT I ON PAG E 2 MOD EL S F D - 321B 7. SAFETY STANDARDS 8. PACKAGING DESCRIPTION 8 .1 Lab el D esc r i pt i on 8 . 2 P acka gi ng Met ho d 8. 3 Pa lle t D im e n s ion a n d t h e M e th od 9. OPTION SELECTION 9.
SEMA ELECTRONICS CO.,L TD FLOP PY DISK DRI V E SPEC IFI CAT I ON PAG E 3 MOD EL S F D - 321B 1. INTRODUCTION 1 .1 Appl i cat ion T hi s ma n ua l sha l l be app l i ed f or S A MS U N G S F D - 321B - dou bl e si de, dua l den s i t y (opt i on : 3 mod e) , 3 .
SEMA ELECTRONICS CO.,L TD FLOP PY DISK DRI V E SPEC IFI CAT I ON PAG E 4 MOD EL S F D - 321B 2. GENERAL SPECIFICATIONS 2 .1 Perf ormanc e IT EM LOW DENS IT Y STANDARD 1M B HIG H DENS IT Y STANDARD 2M B HIG H DENS IT Y *O PT I O N * 1. 6 M B Capac it y (KB y t e s ) Unform a tted Pe r D isk 100 0 200 0 16 00 Pe r T r a ck 6.
SEMA ELECTRONICS CO.,L TD F LO P PY D IS K D RIV E S P EC IF I C AT ION PAGE 5 MODE L S F D - 321B * Read/ W r i t e Com pen sat i on : 125 ns i s r ecom mende d IT E M LOW DENS IT Y STANDARD 1MB HIG H DENS IT Y STANDARD 2MB HIG H DENS IT Y *O PT I O N * 1.
SEMA ELECTRONICS CO.,L TD FLOP PY DISK DRIV E SPEC IFI CAT I ON PAG E 6 MOD E L S F D- 321B 2 .2 Envi ronment al Condi t i ons ITEM SPECIF ICA T ION A mbi ent Te m p era tu re Op era t i ng ( ℃ ) 0 ∼ 50 S t or age ( ℃ ) -4 0 ∼ 70 T r ansp or t at i on ( ℃ ) -4 0 ∼ 70 T empe r at ur e Gr adi en t ( ℃ /H r ) Ope ra t i ng 20 Max.
SEMA ELECTRONICS CO.,L TD FLOP PY DISK DRIV E SPEC IFI CAT ION PAG E 7 MOD E L S F D- 321B 2. 3 R e li a b il it y <No te> ( * 1 ) A sof t ( r eco vera bl e) er r or i s de f i ne d as a suc ces s f ul at t emp t t o r ead a t r ack o f d a ta w i th in 3 re trie s a fte r a r e a d fa ilu re .
SEMA ELECTRONICS CO.,L TD FLOP PY DISK DRIV E SPEC IFI CAT I ON PAG E 8 MOD E L S F D- 321B 2 .4 Pow e r Suppl y <Note> ( * 1 ) T ypi c al val ue s ar e spe ci f i ed at 5 . 0 V ( * 2 ) S t and-b y : Unde r t he con di t i o n t hat al l i nput l i nes ar e i nact i ve.
SEMA ELECTRONICS CO.,L TD FLOP PY DISK DRIV E SPEC IFI CAT I ON PAG E 9 MOD E L S F D- 321B 2 .5 Physi cal Speci f i cat ions ITEM SPECIF ICAT ION Mech an i cal Di m e n s i o n Wid th (m m ) 10 1. 6 He igh t (m m ) 25 .4 De p th (mm ) 14 5. 0 ( w i t hou t F r ont B ez e l ) We ig h t (g r) 46 0.
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SEMA ELECTRONICS CO.,L TD.
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SEMA ELECTRONICS CO.,L TD FLOP PY DISK DRIV E SPEC IFI CAT I ON PAG E 13 MOD E L S F D- 321B 4. ELECTRICAL INTERFACE 4 .1 Si gnal I nt erf ace <Note> ( * 1 ) A l l o dd num be rs : GN D 4 .
SEMA ELECTRONICS CO.,L TD FLOP PY DISK DRI V E SPEC IFI CAT ION PAG E 14 MOD E L S F D- 321B 4.3 I nt erf ac e Connect ors 4. 3 . 1 S i g nal I n t er f ace C o n n ec t o r <Note> (* 1 ) 33 p in s , 2 .5 4 p itc h ( Pin #3 ,5 ,7 ,9, 13 ,15 ,1 7, 19 ,23 ,2 5, 27 ,31 : c u t o ff) Wa ll Ty p e ( * 2) C abl e l en gt h : 1 m ( 3 .
SEMA ELECTRONICS CO.,L TD FLOP PY DISK DRIV E SPEC IFI CAT I ON PAG E 15 MOD E L S F D- 321B 4. 3. 2 P o wer I n t er f ace C o n nect o r < P ow er I nt er f ace C onn ec t or (F DD ) > < Cabl e S i de Conn ec t or ( H OS T ) > F i g 4 - 2.
SEMA ELECTRONICS CO.,L TD FLOP PY DISK DRIV E SPEC IFI CAT ION PAG E 16 MOD EL S F D- 321B 5. SIGNAL CHARACTERISTICS 5 .1 Si gnal Level <No te> ( * 1) " LOW " l ev el Max. si nk cur r e nt i s 48 mA . 5 .2 Recom mended I nt erf ace Ci rc ui t Sign a l Log ic Inpu t Le v el Ou tp ut Lev e l (* 1 ) Low ( T r ue) 0.
SEMA ELECTRONICS CO.,L TD FLOP PY DISK DRIV E SPEC IFI CAT ION PAG E 17 MOD EL S F D- 321B 5 .3 I nput Si gnal s 5. 3 .1 Den si t y S el ect T hi s si gan l i s use d t o di st i ngu i sh bet w e en 1 . 6MB and 2 MB Mod e. T he i nt er f ace pi n N o.
SEMA ELECTRONICS CO.,L TD FLOP PY DISK DRIV E SPEC IFI CAT ION PAG E 18 MOD EL S F D- 321B 5 .3. 3 M otor O n Log i cal " LO W " l evel of t hi s si gna l make s t he spi nd l e mot or be t ur ne d o n.
SEMA ELECTRONICS CO.,L TD FLOP PY DISK DRIV E SPEC IFI CAT ION PAG E 19 MOD EL S F D- 321B 5. 3 . 7 W ri t e Gat e "LO W " l evel of t hi s s i gn a l ena bl es t he w r i t e dat a t o be w.
SEMA ELECTRONICS CO.,L TD FLOP PY DISK DRIV E SPEC IFI CAT ION PAG E 20 MOD EL S F D- 321B 5. 4 . 2 T ra ck 00 "LOW " l evel of t hi s si gna l i ndi cat e s t he hea d i s on T r ack 00 pos i t i on and st epp i ng mot or i s at t he spe ci f i ed pos i t i on r esp ec t i ve l y.
SEMA ELECTRONICS CO.,L TD FLOP PY DISK DRIV E SPEC IFI CAT ION PAG E 21 MOD EL S F D- 321B 5 .4. 5 D is k C ha ng e / R e a dy B y se l ec t i ng p r op er t race p l u gs , t h i s si gna l l i ne (pi n # 3 4 ) can b e u se d f or R ead y or D i s k C han ge l i ne.
SEMA ELECTRONICS CO.,L TD FLOP PY DI SK DRI V E SPEC IFI CAT I ON PAG E 22 MOD E L S F D- 321B 6. TI MING DIAGRAM 6 .1 Seek Operat ion Ti m ing 6 .2 Read / W r i t e Operati on Ti m i ng RE V ER S E FOR WARD 1 ㎲ Min . 1 ㎲ Mi n . 1 ㎲ Min . 10 ㎲ Ma x .
SEMA ELECTRONICS CO.,L TD FLOP PY DISK DRI V E SPEC IFI CAT I ON PAG E 23 MOD E L S F D- 321B 7. SAFETY STANDARDS Th is d r iv e is a p p ro ve d b y th e fo llo w in g s ; .C E .C S A .U L .T U V .M I C . BSM I .F C C SAMSUNG ELECTRO- MECHANICS CO. ,LTD.
SEMA ELECTRONICS CO.,L TD FLOP PY DI SK DRI V E SPEC I FI CAT I ON PAG E 24 MOD E L S F D- 321B 8. PACKAGING DESCRIPTION 8 . 1 Label D escr i pt ion 8.
SEMA ELECTRONICS CO.,L TD.
SEMA ELECTRONICS CO.,L TD.
SEMA ELECTRONICS CO.,L TD FLOP PY DISK DRI V E SPEC IFI CAT IO N PAG E 27 MOD E L S F D- 321B 9. OPTION SELECTION F DD can be mod i f i ed f o r di f f er ent f unc t i on s t han t he st and ar d spe ci f i cat i on. T hese mod i f i cat i ons sho ul d be i mpl emen t ed by t he f act or y acc or di ng t o t he r equ es t o f t h e cus t omers .
SEMA ELECTRONICS CO.,L TD FLOP PY DISK DRIV E SPEC IFI CAT I ON PAG E 28 MOD E L S F D- 321B 9.2 Ot her Opt i ons (Buyer Sel ect i on) T he col or s o f I n- U se LE D , F r ont - P ane l , t he val ue of t he t er mi nat i on r esi st or s and t he sha pe of but t on can be mod i f i ed by cus t om er s ' r equ es t .
SEMA ELECTRONICS CO.,L TD FLOP PY DISK DRIV E SPEC IFI CAT I ON PAG E 29 MOD E L S F D- 321B 11. GENERAL COMMENT.
SEMA ELECTRONICS CO.,L TD.
An important point after buying a device Samsung SFD-321B/LFHSE (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Samsung SFD-321B/LFHSE yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Samsung SFD-321B/LFHSE - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Samsung SFD-321B/LFHSE you will learn all the available features of the product, as well as information on its operation. The information that you get Samsung SFD-321B/LFHSE will certainly help you make a decision on the purchase.
If you already are a holder of Samsung SFD-321B/LFHSE, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Samsung SFD-321B/LFHSE.
However, one of the most important roles played by the user manual is to help in solving problems with Samsung SFD-321B/LFHSE. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Samsung SFD-321B/LFHSE along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
