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Table of contents for the manual
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Page 1
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., L TD Xi a Li ngB e i H e ngK e ng M a na ge me nt Ar e a L i ao bu T o w n D o ng gu an C i t y Gu a n g don g Pr ov i n c e , Chi n a FD D[...]
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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 . 3 R el i abi l i t y 2 .4 P ow er S upp l y 2 .5 P hysi ca l S pec i f icat i on s 3. INSTALLA[...]
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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. 1 Tr a c e O p t io n s 9 . 2 Ot her O pt i ons (B uye r S el ect i on) 10. GENE[...]
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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 . 5 i nch mi cr o f l op py di sk dr i ve ( her e i naf t er r ef er r ed t o as "F D[...]
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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 6.2 5 12 .5 10 .0 Fo r m a [...]
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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. 6 M B Med i a Oper a t i ng Fo rc e In s e rtin g 80 0 gr Max. E j ect i ng 13 0 0 gr Max. M[...]
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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. N o n [...]
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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 . A r ead r et r y i s def i ne d as an at t e mp [...]
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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. ITEM SPECIF ICA T ION Re q ui re d Po we r D.C. 5 V ± 10 % A l l o w a b[...]
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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. 0 t yp. Ex tern al Vi e w R e f e r to Fig . 2- 1 a[...]
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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 .2 Pow er I nt erf ace D ens i t y S el ect In U s e ( Sp a r e ) D r i v e S el ect 3 ( S par e ) In d ex D r i ve S el ect 0 D r i v e S el ect 2 ( S par [...]
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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 . 3 f eet ) Max[...]
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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. P o wer I n ter f ace Co n nect o r an d Cab l e S i d e C o n nect o r Side Con n e c to r FD D[...]
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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. 9 V Max. 0. 4 V Max[...]
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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. 2 ca n be use d as D ens i t y S el ect I npu t si gna l by a tta c hin g 0 Ω r esi st or o nt o[...]
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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. T he mot or r eac he s t o t he r at ed rot at i ona l spe e d w i t hi n 5 00 ms af t er t hi s s ig n al c h an ge s t o " L O W &[...]
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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 r i t ten on t he di sk pr ov i ded t hat t he dr i ve i s sel ec t ed, di sk us e d i s not wr i t e pr ot e c t ed and s e ek o p er a t io n is c [...]
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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. 5. 4 . 3 W ri t e P r o t ect W he n a w r i t e- pr ot e[...]
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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. -. R e a d y T hi s l i ne b ec o me s a ct i ve " LOW " when t he dri v[...]
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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 . 2. 8 ㎳ Ma x . 18 ㎳ M in. ( *1) 500 ㎱ Mi n . 3 ㎳ Mi n . DRI V E S E L ECT DI RE CT I[...]
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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.[...]
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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. 1 .1 S er i al N u mb er L ab el Mar k i n g FBT 6 S 1 ALB 0 0 0 0 1 ①② ③ ④ ⑤ ⑥ ⑦ ⑧⑨⑩ ① P r odu c t nam e : "F " → FDD ② Mod el nam e : " B " → S F D [...]
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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 . 9[...]
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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 . 9. 2 . 1 Mo d e 9 .2. 2 [...]
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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[...]
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