Manuale d’uso / di manutenzione del prodotto D540X-4K del fabbricante Maxtor
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© No v ember 1, 2 001 Maxtor Cor poration. All r ights r eser v ed. Pr inted in U . S.A. This publ ic ation could include tech nical inaccuracies or typo graphica l errors. Chan ges ar e per iodically made to th e in for matio n herein – which will be incorporated in r e vised edit ions of th e pu bli cation.
This produc t or document is pr otected b y copy r ight and distr ibu ted under li cences r estr ict ing its use , cop y- ing, dis tr ibut ing, and dec om pil ation. No part of this pr oduct or document ma y be r epr oduced in an y for m by an y means wit hout p r ior w r itt en authorization o f Maxto r and it s licensors, if an y .
Thank y ou for y our inter est i n Maxtor ha rd disk dr iv es. This man ual pr ov ides tec hnical in for matio n for OEM engineers and systems i nteg ra tor s r egar ding the in stalla tion and use of Maxtor ha r d dr iv es. Dr i v e r epair should be performed only at an aut hor ized r epai r center .
Ma xtor D 5 40X-4K 2 0.4/4 0.0/6 0.0/8 0.0 GB AT v 1.1 AUDIEN CE ............ .......... ..................... .................... .......... ..................... ............... 1-1 1.2 MANUAL OR GA NIZATION .............. .................... ....
Table of Contents vi Ma xto r D54 0X - 4K 20 .4/40 .0/6 0.0/8 0.0 G B A T 3.9 TEC HNIQUES IN DRIVE CONFI GURA TION .................... ..................... ....... 3-16 3.9.1 The 528-Meg abytes Barrier ...... ........... .................... .......
T abl e of Con t ents Ma xtor D 5 40X-4K 2 0.4/4 0.0/6 0.0/8 0.0 GB AT vii 5.2.6 Servo Processor ............................. .......... .................... ..................... .......... ...... 5- 8 5.2.7 Read/W rite Interface ...................
vii i Ma xtor D5 40X-4 K 2 0.4/4 0.0/ 60.0/ 80. 0 G B AT Figure 3-1 Mechanical Dimensions of Maxtor D540X-4K Hard D isk Drive ........... ...... 3- 1 Figure 3-2 Drive Packing Assembly ............ .......... .................... ..................... .
Ma xtor D5 40X-4 K 2 0.4/4 0.0/ 60.0/ 80. 0 G B AT ix Table 3-1 AT Jumper O ptions .................... ..................... .................... ..................... .......... .. 3 -5 Table 3-2 J1 Power Connector, Section A .. ....................
Table of Contents x Ma xto r D54 0X - 4K 20 . 4/ 40 . 0/6 0.0/8 0.0 G B A T.
Max to r D 540 X- 4K 20.4 /40 .0 / 60 . 0/ 80 . 0 GB A T 1-1 This chapte r gives an overview of the content s of this manual, i ncluding the intende d audienc e, how the ma nual is organiz ed, t erminol ogy an d convent ions, and ref erence s. Th e Maxt or D 540 X-4 K 20.
About This Manual 1-2 Ma xto r D54 0X - 4K 20 .4/40 .0/6 0.0/8 0.0 G B AT • ATA advanced tec hnol og y atta chment • bpi bits per inch • dB decibels • dBA decibels, A weighted • DPS Data Pro.
Max to r D 540 X- 4K 20.4 /40 .0 / 60 . 0/ 80 . 0 GB A T 1-3 • Para meters: Para meters are given as ini tial capitals when spelled out, and are given as all capitals wh en abbre viated . Examples are P ref etch Enable (PE), and Cach e Enab le (CE).
About This Manual 1-4 Ma xto r D54 0X - 4K 20 .4/40 .0/6 0.0/8 0.0 G B AT.
Maxt or D 5 40X-4K 2 0.4/ 40.0/ 60.0 /80.0 G B A T 2- 1 This c hapter summ arize s the gen eral func tions and key fea tures of the Ma xtor D5 40X - 4K 20 .4/4 0.0/6 0.0/ 8 0.0 GB A T h ard dis k d ri v es , as w e ll as the ap p l i c a b le standa r ds and re gulation s.
G eneral Des crip tion 2-2 Ma xto r D54 0X - 4K 20 .4/40 .0/6 0.0/8 0.0 G B AT Th e Maxt or D5 40 X-4 K 20.4/4 0.0 /60.0 /80 .0 G B AT hard disk d rive s inclu de th e foll owi ng k ey fe at ure s: Gener al • Formatted stora ge c apa city of 20.4 GB (1 disk, 1 hea d s), 40.
Ge nera l D es cri pti on Maxt or D 5 40X-4K 2 0.4/ 40.0/ 60.0 /80.0 G B A T 2- 3 • High performance, in - line def ective sector s kipping • Reassignme nt of defecti ve sectors di scovered i n th.
G eneral Des crip tion 2-4 Ma xto r D54 0X - 4K 20 .4/40 .0/6 0.0/8 0.0 G B AT Maxt or ’ s dis k drives are des igned as a separate suba ssembly that conforms to t he FCC R ules for Radiated and Condu c te d emissions, Part 15 Subpart J; C lass B when installed in a g iven computer system.
Ma xtor D5 40X -4K 2 0.4/4 0.0/ 60.0 /80.0 GB AT 3-1 This c hapter explains how to unpack, configur e, mount, a nd conn e ct th e Maxtor D5 40X - 4K 20 .4/4 0.0/6 0.0/8 0.0 G B A T h ard disk d rive pr ior t o opera tio n. It also explains h ow to st art up a nd operate t he drive.
Inst alla ti on 3-2 Ma xtor D5 40X-4 K 2 0.4/4 0.0/6 0.0/ 80.0 G B AT 1. Open t he shippi ng conta iner and remove the pa cking a ssembly t hat cont ains the dr ive. 2. Remo ve the drive f ro m the packing assembly. 3. When you are ready to i nsta ll the drive, r emove it from the ESD bag.
Insta llat ion Ma xtor D5 40X -4K 2 0.4/4 0.0/ 60.0 /80.0 GB AT 3-3 Drive Packing Assembly of a Polypropylene 20-Pack Container Note: The 20 -pack container shoul d be sh ipped in t he sa m e way i t w as received from Maxtor.
Inst alla ti on 3-4 Ma xtor D5 40X-4 K 2 0.4/4 0.0/6 0.0/ 80.0 G B AT The configur at ion of a Maxtor D540X-4K 20 .4/40. 0/60.0/8 0.0 GB AT h a rd disk drive depends on the host syst e m in which it is to be installed. This section descri bes th e har dwar e op tio ns tha t you mus t ta ke i nt o accou n t pri or to inst a lla ti on.
Insta llat ion Ma xtor D5 40X -4K 2 0.4/4 0.0/ 60.0 /80.0 GB AT 3-5 The confi gurati on of t he foll owing f our jumpe r s co ntrols the dri ve ’ s modes of opera tion: • CS – Ca b l e Se le ct .
Inst alla ti on 3-6 Ma xtor D5 40X-4 K 2 0.4/4 0.0/6 0.0/ 80.0 G B AT Once yo u in stall the CS jumper, the drive is configured as a Master or Slave by the state of the Ca ble Sel ect signal : pin 28 of the ATA bus conne ctor. P lease not e that pin 28 is a vendo r-specif ic pin that Maxtor i s using for a speci fic purpose.
Insta llat ion Ma xtor D5 40X -4K 2 0.4/4 0.0/ 60.0 /80.0 GB AT 3-7 F or user cap aci ties b elo w 66,0 55 ,248 s ect ors (3 2 GB ), in serti ng t he A C jum pe r limi ts th e Nu mb er o f Cy l in de rs f ie ld t o a v alu e o f 4 ,0 9 2, as r ep or te d in ID EN TIF Y DEVICE data word 1.
Inst alla ti on 3-8 Ma xtor D5 40X-4 K 2 0.4/4 0.0/6 0.0/ 80.0 G B AT There are two ways you can configure a system to allow the Maxtor D540X-4K hard di sk dr ive s t o communic ate over t he ATA bus of a n I BM or IBM- compat i bl e PC: 2. Inst al l an IDE-compatib le adapter boar d in the PC, and connect the dr iv e to th e ad apte r b o a rd .
Insta llat ion Ma xtor D5 40X -4K 2 0.4/4 0.0/ 60.0 /80.0 GB AT 3-9 Drive mount ing ori entation , cleara nce, a nd ventila tion requi rement s are desc ribed in the following subsections . The mounti ng hol es on the Maxt or D5 40X-4K 2 0.4 /40. 0 /60 .
Inst alla ti on 3-1 0 Ma xtor D5 40X-4 K 2 0.4/4 0.0/ 60.0/ 80. 0 G B AT Mou nti ng Scre w Clea ranc e for t h e M a xtor D 5 40X -4K Hard D is k Dr i ve s The PCB is ver y clo se to t he mounting holes. Do not exce ed the specif ied length for the mounting scr ews.
Insta llat ion Ma xtor D5 40X -4K 2 0.4/4 0.0/ 60.0 /80.0 GB AT 3 -11 Clearance from the drive to any other surface (exc ept mounting surfaces) must be a m inimu m of 1 .
Inst alla ti on 3-1 2 Ma xtor D5 40X-4 K 2 0.4/4 0.0/ 60.0/ 80. 0 G B AT The recommend ed mating connectors for the +5 VDC and +12 VDC input power are listed in Table 3 -2. J1 Power Connector, Se c t ion A Note: Labels indica te the p in numbers o n the co nnector.
Insta llat ion Ma xtor D5 40X -4K 2 0.4/4 0.0/ 60.0 /80.0 GB AT 3 -13 You can in st all th e Maxt or D540 X- 4K 20 .4/ 40. 0/6 0.0 /8 0.0 GB AT ha rd disk drives in an AT- compatible sy stem th a t cont ains a 40 -pin ATA bu s connector on th e mo the r boa r d.
Inst alla ti on 3-1 4 Ma xtor D5 40X-4 K 2 0.4/4 0.0/ 60.0/ 80. 0 G B AT Use a 40-pin ribbon ca ble to connect the drive to the board. S e e F igure 3-10. To co nnec t the d ri v e to the b oa rd: 2. Insert t he other end of the cable int o the header on the dr ive.
Insta llat ion Ma xtor D5 40X -4K 2 0.4/4 0.0/ 60.0 /80.0 GB AT 3 -15 Com pleting the Dr ive Install a tion.
Inst alla ti on 3-1 6 Ma xtor D5 40X-4 K 2 0.4/4 0.0/ 60.0/ 80. 0 G B AT Older BI O S that only sup port I nt 13 c ommands f or accessi ng ATA d r ives t hrough DOS based operating systems will be lim ited to use only 1024 cylinders. Th is will reduce the eff e ctive capacity of t he drive to 528 Mby tes.
Insta llat ion Ma xtor D5 40X -4K 2 0.4/4 0.0/ 60.0 /80.0 GB AT 3 -17 Most popul ar operating systems avail able today ha ve additi onal limit a tions whic h affect the use of large capacity drives .
Inst alla ti on 3-1 8 Ma xtor D5 40X-4 K 2 0.4/4 0.0/ 60.0/ 80. 0 G B AT Note: *Capacity may be restr icted to 8.4 GB (or less) du e to system BIOS li m i tations. Check with y our syst em manufacture r to de- termine if y our BIOS su p ports LBA Mo de for hard drives gr eat er than 8.
Ma xtor D5 40X -4K 2 0.4/4 0.0/ 60.0 /80.0 G B AT 4-1 This chapt er gives a det ailed description of th e physical, electrical, an d environmen ta l charact erist ics of the Maxtor D540X-4K hard di sk drive s. Tab l e 4- 1 giv e s a sum m ary of the M a x tor D 54 0X- 4K ha rd disk d ri v e s .
Specifications 4-2 Max to r D 540 X- 4K 20.4 /40 .0 / 60 . 0/ 80 . 0 GB A T 1. Disk to read buffer trans fer rate is zone-de pende nt , instant a ne ous 2.
Specifications Ma xtor D5 40X -4K 2 0.4/4 0.0/ 60.0 /80.0 G B AT 4-3 1. Sp i ndl e s p ee d is 53 88 RP M +/ - 0. 1 %. 2. Disk to read buffer trans fer rate is zone-de pende nt , instant a ne ous 3. Re f er to Se c tio n 4. 14 , “ DIS K ERRO RS ” fo r details on err or rate d efiniti ons.
Specifications 4-4 Max to r D 540 X- 4K 20.4 /40 .0 / 60 . 0/ 80 . 0 GB A T At the fac tory , the M axtor D54 0X- 4K 2 0.4 /40.0 /60 .0/80 .0 G B A T h ard disk dri ves receive a low -level format that creates the actual tr acks and sectors o n t he drive.
Specifications Ma xtor D5 40X -4K 2 0.4/4 0.0/ 60.0 /80.0 G B AT 4-5 Table 4 -3 illu strates t he timi ng specif ications of th e Maxtor D540 X-4K hard disk drives. Timing S pecification s 1. Nom inal conditions are as follows: • Nominal temperature 7 7 ° F ( 25 ° C) • No mi n a l s up p ly volt a ges ( 12.
Specifications 4-6 Max to r D 540 X- 4K 20.4 /40 .0 / 60 . 0/ 80 . 0 GB A T 7. Standby is the co ndition at which the microproces sor is powered, but not t he HDA. W hen the host sends the drive a shutdown comman d, the drive parks the heads aw ay fro m the data zone, and spins down to a complete stop .
Specifications Ma xtor D5 40X -4K 2 0.4/4 0.0/ 60.0 /80.0 G B AT 4-7 Table 4- 5 list s th e voltages and typical average c orrespon ding c ur rents for the various modes of operat ion of the Maxtor D540X-4K har d disk dr ives. Typical Power and Current Consu mption 1.
Specifications 4-8 Max to r D 540 X- 4K 20.4 /40 .0 / 60 . 0/ 80 . 0 GB A T 3. I d le mode is in effect when the dr ive is not reading , writing, seeki ng , or executing any commands. A portion of t he R/W circ uitry is p owered down, the motor is up to speed and the Drive Ready condition exists.
Specifications Ma xtor D5 40X -4K 2 0.4/4 0.0/ 60.0 /80.0 G B AT 4-9 Height: 1.0 in.(25.4 mm) W id th : 4. 0 i n .( 10 1.6 m m ) Dep th: 5. 75 i n.(14 6. 1 mm ) Wei gh t: Ma xto r D5 40X -4K 4 0. 0 GB AT (2 -Di sk) 1.3 lb Table 4-7 summarizes the environmental specifications of th e Max tor D54 0X-4K hard disk drives.
Specifications 4-1 0 M ax t o r D540 X- 4K 20. 4 /40 .0 /60 .0/80 .0 GB A T The Maxt or D540 X-4 K 20. 4/ 40. 0/ 60. 0/ 80. 0 GB AT ha rd dis k dr ive s can wi t hst and levels of shock an d vibration a pplied to any of its three mutually perpendicular a xes, or principal ba se axi s, as specified in Table 4 - 8.
Specifications Ma xtor D5 40X -4K 2 0.4/4 0.0/ 60.0 /80.0 GB AT 4-11 Before hand ling the Maxtor hard disk drive some p recautio ns must t o be taken to ensure that the dr ive is not damaged. Use b ot h hands while handling the d rive and hold the drive by its edg es.
Specifications 4-1 2 M ax t o r D540 X- 4K 20. 4 /40 .0 /60 .0/80 .0 GB A T 5 V o lt s / me t e r ov er a ra ng e o f 10 KH z to 1 G Hz . 0. 5 g- m m m axi m um (This is approx imately e quivalent t o 0.05 g emitted vi brations ) Table 4-9 provides the error rates f or the Maxtor D540X-4K hard disk drives.
Ma xto r D54 0X - 4K 20 .4/40 .0/6 0.0/8 0.0 G B A T 5 -1 This c hapter de scribes the oper ation of Maxtor D540X -4K AT har d disk dr ives ’ functional subsys t ems. It is inte nded as a guide t o the operation of t he drive, rather than a detailed t heory of operation.
Bas ic Pri nci ple s of O pe rat ion 5-2 M axto r D5 40X -4K 20. 4/40. 0/60. 0/80. 0 G B A T Har d Disk Driv e Explod ed View.
Bas ic Pr incip les of Ope ra t i on Ma xto r D54 0X - 4K 20 .4/40 .0/6 0.0/8 0.0 G B A T 5 -3 A s ingle-piece , e-coa ted, alumi num-alloy base cast ing pro vides a mounting s urface f or the drive mech anism and PCB. T he base cas ting also acts as the flange for the DC m o to r assembly.
Bas ic Pri nci ple s of O pe rat ion 5-4 M axto r D5 40X -4K 20. 4/40. 0/60. 0/80. 0 G B A T The head stac k assembly consists of read/wr ite head s, head arms, an d a coil joined tog ether by inserti on mold ing to fo rm a roto r subasse mbly , bearings, and a flex circu it.
Bas ic Pr incip les of Ope ra t i on Ma xto r D54 0X - 4K 20 .4/40 .0/6 0.0/8 0.0 G B A T 5 -5 The Maxtor D540X-4K AT hard disk drives are Winchester-type drives. The heads fly very close t o the media surface. Therefore, it is essential that the air c ir culating within the drive be kept free of p a rticles.
Bas ic Pri nci ple s of O pe rat ion 5-6 M axto r D5 40X -4K 20. 4/40. 0/60. 0/80. 0 G B A T The int egrated µProc essor, Dis k C ont roller , and ATA Inter face Electr onics have ni ne functional mo.
Bas ic Pr incip les of Ope ra t i on Ma xto r D54 0X - 4K 20 .4/40 .0/6 0.0/8 0.0 G B A T 5 -7 The Buffer Cont roller sup ports a 1.75 MB buffer. The 16-bit width implementation provides a 60 MB/s maximum buffer band width.
Bas ic Pri nci ple s of O pe rat ion 5-8 M axto r D5 40X -4K 20. 4/40. 0/60. 0/80. 0 G B A T • Flash A/D Conve rter • V ite rb i D etec tor • EN DEC • Servo Pro cessor • C loc k S y nt h e s.
Bas ic Pr incip les of Ope ra t i on Ma xto r D54 0X - 4K 20 .4/40 .0/6 0.0/8 0.0 G B A T 5 -9 H igh speed interface f or digital contr ol of all internal blocks. De te cts th e r mal a s pe ritie s ’ def ec tive sectors and en ables thermal a sperity recoveries.
Bas ic Pri nci ple s of O pe rat ion 5-1 0 Ma xtor D5 40X -4K 2 0.4/ 40.0/ 60.0/ 80.0 G B AT Since typically 50 percen t or mo re of all disk r equests are s equential, there is a high probabilit y that subsequent da ta requested will be in the cache.
Bas ic Pr incip les of Ope ra t i on Ma xto r D54 0X - 4K 20 .4/40 .0/6 0.0/8 0.0 G B A T 5- 11 In a drive wi t ho ut DisCache, there is a delay during sequential reads bec ause of the rotational latency, even if the disk ac tuator alr ea d y is positioned a t the desired cylinder.
Bas ic Pri nci ple s of O pe rat ion 5-1 2 Ma xtor D5 40X -4K 2 0.4/ 40.0/ 60.0/ 80.0 G B AT In the ID-less environment, the dr ive ’ s trac k and cyl inder skewing wi ll be based in unit of wedges i nstead o f the t radit ional sec tors.
Bas ic Pr incip les of Ope ra t i on Ma xto r D54 0X - 4K 20 .4/40 .0/6 0.0/8 0.0 G B A T 5- 13 As disk drive areal densit ies increase, obtaining extremely low error r ates requires a new ge neration of sophi stic ated er ror co rrecti on codes .
Bas ic Pri nci ple s of O pe rat ion 5-1 4 Ma xtor D5 40X -4K 2 0.4/ 40.0/ 60.0/ 80.0 G B AT The Maxtor D540X-4 K drives use tw o techniques f or replacing def ective sectors - inline replacement and offline replacement.
Ma xto r D54 0X - 4K 20 .4/40 .0/6 0.0/8 0.0 G B A T 6 -1 Thi s chapt er des cri bes t he i nte rfa ce betw een Maxt or D54 0X- 4K 20 .4/4 0 .0/6 0.0 /80.
ATA Bus Int erface and ATA Commands 6-2 M axt or D540 X-4 K 2 0.4/ 40.0 /60.0 /80.0 GB AT The Maxto r D54 0 X-4K hard disk drives allow their host syst em s to address t he full s e t of co m mand and con trol reg isters a s specifi ed in ATA/ATAPI-6 sectio n 7.
ATA Bus Interface and ATA Commands Ma xto r D54 0X - 4K 20 .4/40 .0/6 0.0/8 0.0 G B A T 6 -3 The drives support t he Multiword D MA protocol. The drives support the Ultra DMA f eature set for the foll.
ATA Bus Int erface and ATA Commands 6-4 M axt or D540 X-4 K 2 0.4/ 40.0 /60.0 /80.0 GB AT The driv e s suppor t t he fo llowing commands from the opt ional Secu r it y Mode featur e set: • SECURITY .
ATA Bus Interface and ATA Commands Ma xto r D54 0X - 4K 20 .4/40 .0/6 0.0/8 0.0 G B A T 6 -5 Identif y Device Parameters 0 15 14-8 7 6 5-3 2 1 0 General configuration bi t-si gnificant inf ormation: 0.
ATA Bus Int erface and ATA Commands 6-6 M axt or D540 X-4 K 2 0.4/ 40.0 /60.0 /80.0 GB AT 49 15-14 13 12 11 10 9 8 7-0 Capabili ties Reserv e d for th e IDENTIFY PACKET DEVI C E command. Standby timer values a re supported Reserv e d for th e IDENTIFY PACKET DEVI C E command.
ATA Bus Interface and ATA Commands Ma xto r D54 0X - 4K 20 .4/40 .0/6 0.0/8 0.0 G B A T 6 -7 Table 6 -2 shows t he suppor ted subc omm ands of SET FEATURES organiz ed by featur e name.
ATA Bus Int erface and ATA Commands 6-8 M axt or D540 X-4 K 2 0.4/ 40.0 /60.0 /80.0 GB AT determined from the information returned from the I DENTIFY DE VICE command. Where the entry is non e , the default s etting must be deter m ined by other analytical means or by asking a trusted huma n source.
ATA Bus Interface and ATA Commands Ma xto r D54 0X - 4K 20 .4/40 .0/6 0.0/8 0.0 G B A T 6 -9 READ DEF ECT LIST L ENGTH Comman d Bytes Regi st e r s 1F 2h throu gh 1F5h m us t conta in th e e xact valu e s shown. These values function as a key . The drive issues th e m essage ILLEGAL CO MMA N D if th e by tes are not e ntered corr ect ly.
ATA Bus Int erface and ATA Commands 6-10 M axtor D5 40X -4K 2 0.4/ 40.0 /60.0 /80 .0 GB AT READ DE FECT LI S T Comman d Bytes Re gist ers 1 F2h an d 1F 3h m ust c ont ain t he transf er le ngth th at is appropriat e for the specific product, and 1F4h and 1F 5h must contain t he e xact val ues shown .
ATA Bus Interface and ATA Commands Ma xto r D54 0X - 4K 20 .4/40 .0/6 0.0/8 0.0 G B A T 6- 11 DEFEC T LIS T DATA F O RMAT DEFECT ENTRY D ATA FO RMAT Bytes 4 – 7 will be set to FFh f or bad tr a ck entries. In addi ti on to th e SET F EATU RES comman d, the Max tor D 54 0X-4K 20 .
ATA Bus Int erface and ATA Commands 6-12 M axtor D5 40X -4K 2 0.4/ 40.0 /60.0 /80 .0 GB AT The READ CONFIGURATION command d isplays the c onfi gurat ion of the dr i ve. Like the S E T CONFIGURATIO N command, this c omm and is secur ed to prevent accidentally accessing it.
ATA Bus Interface and ATA Commands Ma xto r D54 0X - 4K 20 .4/40 .0/6 0.0/8 0.0 G B A T 6- 13 The SET C O NF IGURATION comma nd is s ecured to pr event ac cessing it accide ntally. To acces s the SET CONFIGURATION command, you must write the pattern shown in Table 6-8 to the Comm and Block Registers.
ATA Bus Int erface and ATA Commands 6-14 M axtor D5 40X -4K 2 0.4/ 40.0 /60.0 /80 .0 GB AT In Tab le 6- 9: Registers 1F2h t hrough 1F5 h must cont a in t he exact va lues shown above. Thes e valu es function a s a key. The dr ive responds by setting t he ABR T bit in t he Error register if the key is not ent e red co rrec tly.
ATA Bus Interface and ATA Commands Ma xto r D54 0X - 4K 20 .4/40 .0/6 0.0/8 0.0 G B A T 6- 15 CE – Cache Enable ( Byte 32, Bi t 0): When set to 1, th is bit indi ca tes that the driv e wi ll ac tiv ate cach in g o n al l R EA D c om man ds. Wi th t he C E bit set to 0, t h e dri ve will disable cachi ng and use the RAM only as a t ransfer buffer.
ATA Bus Int erface and ATA Commands 6-16 M axtor D5 40X -4K 2 0.4/ 40.0 /60.0 /80 .0 GB AT WCE – Write Cache E n a ble (Byte 3 9, B it 2): W h en th i s bit is set t o1, the M axt or D54 0X- 4K 20 .4/40 .0/60 .0/ 8 0.0 G B A T ha rd disk dr ive s en ab l e th e W ri te C ac he .
ATA Bus Interface and ATA Commands Ma xto r D54 0X - 4K 20 .4/40 .0/6 0.0/8 0.0 G B A T 6- 17 PREREQUISITES - DRDY set e qual to on e. SMART ena bled. DESC RIPT ION - This comm and returns the device ’ s attr ib ute th resh old s t o the h ost.
ATA Bus Int erface and ATA Commands 6-18 M axtor D5 40X -4K 2 0.4/ 40.0 /60.0 /80 .0 GB AT Individu al Threshold Dat a Struc ture Dev ice SMART Dat a S truc tur e The at tribute I D number s and their defini tions are vendor specific . Any no n-zero value in the attribut e I D number indicates an ac tive at t ribu t e.
ATA Bus Interface and ATA Commands Ma xto r D54 0X - 4K 20 .4/40 .0/6 0.0/8 0.0 G B A T 6- 19 • Bit 0 -Pre-failure/ad vis o ry - If the value of this bit equals zero , an attr ibute valu e le ss tha.
ATA Bus Int erface and ATA Commands 6-20 M axtor D5 40X -4K 2 0.4/ 40.0 /60.0 /80 .0 GB AT NOR MA L OU TPUT S - If t he device has not detec ted a threshold exceeded condition, the devi ce sets the Cylinder Low register to 4Fh and the Cy linder Hig h register to C2h.
ATA Bus Interface and ATA Commands Ma xto r D54 0X - 4K 20 .4/40 .0/6 0.0/8 0.0 G B A T 6- 21 NORM AL OUTPUTS - None ERROR OU TPUTS - If t he device does not suppor t this c omm and , if SMART is disabled or if the values in the Feat ures, Cylinder Low or Cy linder High registers are invalid, an Abort ed command error is posted.
ATA Bus Int erface and ATA Commands 6-22 M axtor D5 40X -4K 2 0.4/ 40.0 /60.0 /80 .0 GB AT The drive s suppor t the fol lowing commands f rom the op tional De vice Configur ation Overlay feature set: .
Max tor D 540 X-4 K 20. 4 / 40. 0 / 60 .0 / 80 . 0 GB A T G-1 A ACCESS – (v) Read, write, o r update infor mation on some stora ge medium, su c h as a di sk. (n) One of these operatio ns. ACCESS T IME – The in terval between the time a r equest for data is made by the system and the time the dat a is available from the drive.
Glos sary G-2 M ax tor D 540 X-4 K 20. 0 / 40. 0 / 60 .0 / 80 . 0 GB A T BPI – Abbr eviatio n for bits pe r i nc h . A measur e of h ow dense ly info rmation i s pac ked on a st orage medium . Flux chan ges per inch is also a term comm only used in describing stor age densit y on a magn e tic surf ace.
Glos sary Max tor D 540 X-4 K 20. 0 / 40. 0 / 60 .0 / 80 . 0 GB A T G-3 pass es information to and from the disk. The Maxtor disk dr ives a ll have c ontrol lers embedded on the drive printed- circ uit board. DIS KW ARE – The prog ram instruc tions and data stored o n the disk fo r use by a proc essor.
Glos sary G-4 M ax tor D 540 X-4 K 20. 0 / 40. 0 / 60 .0 / 80 . 0 GB A T the si des of a dis k drive mounte d in an I BM AT an d comp atible comput ers so that the drive easi ly slides into pla ce. H HALF HEIGHT – Te rm us ed to d es cr ib e a drive that occupi es half the vertical space of the o ri gi n a l fu l l s i ze 5 1/ 4 -in ch d ri v e .
Glos sary Max tor D 540 X-4 K 20. 0 / 40. 0 / 60 .0 / 80 . 0 GB A T G-5 L LAN DI NG ZO NE – A p os ition in sid e th e disk ’ s i nner cylinder i n a non dat a ar ea reserv ed as a place t o rest the h eads du ring t he time that po wer is off.
Glos sary G-6 M ax tor D 540 X-4 K 20. 0 / 40. 0 / 60 .0 / 80 . 0 GB A T MTTR – Mean Time To Rep ai r. The average time it takes to repair a dr ive that has fai led for some reason. This on ly takes i nto conside ration t he cha ng ing o f the major sub- a ssemblies such a s ci r cuit boar d or seal ed housi ng.
Glos sary Max tor D 540 X-4 K 20. 0 / 40. 0 / 60 .0 / 80 . 0 GB A T G-7 REMO VABLE D ISK – G ene ra l l y s ai d of disk dr ives where the dis k itself is meant to be removed, and in parti cular of hard disk s using dis ks mounted in cartrid ges.
Glos sary G-8 M ax tor D 540 X-4 K 20. 0 / 40. 0 / 60 .0 / 80 . 0 GB A T platter is made of beneath the magnetic coating. Hard d isks are gener ally made of alu mi n u m or ma gn e s i u m al lo y ( o r glass , fo r optical disk s) while the substrate o f floppies i s usually mylar.
Ma xtor D5 40X -4K 2 0.4/4 0.0/ 60.0 /80.0 GB AT I- 1 actuator lock 5- 5 adapt e r boar d 2- 4, 3- 13 Adapti ve Caching 5-10 Ad a p ti v e s e gm ent atio n 5-10 air filtrat ion 5-6 AIRLOCK ® 5-5 ARR.
Ind ex I-2 M a xto r D54 0X- 4K 20 .4/ 4 0 . 0/ 60. 0/80. 0 GB A T ID E 2-4, 3-8 ID E in te rfa ce co ntr ol le r 5-8 ID E-bu s i nt er fac e 6-1 IDE-bus interface connector 3-12 Id le 4-7 input pow e.
Ind ex Ma xtor D540X -4 K 20.4/4 0.0/6 0.0/ 80.0 G B AT I -3 SHO CK 4-10 Slave Present 3-6 slave present (SP) jumper 3-6 Specifications 4-10 sputtered t hin-film c oating 5- 3 supply vol tages 4- 5 ta.
Ind ex Ma xtor D540X -4 K 20.4/4 0.0/6 0.0/ 80.0 G B AT I -4.
Un punto importante, dopo l’acquisto del dispositivo (o anche prima di acquisto) è quello di leggere il manuale. Dobbiamo farlo per diversi motivi semplici:
Se non hai ancora comprato il Maxtor D540X-4K è un buon momento per familiarizzare con i dati di base del prodotto. Prime consultare le pagine iniziali del manuale d’uso, che si trova al di sopra. Dovresti trovare lì i dati tecnici più importanti del Maxtor D540X-4K - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso Maxtor D540X-4K imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul Maxtor D540X-4K ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il Maxtor D540X-4K, ma non hai ancora letto il manuale d’uso, dovresti farlo per le ragioni sopra descritte. Saprai quindi se hai correttamente usato le funzioni disponibili, e se hai commesso errori che possono ridurre la durata di vita del Maxtor D540X-4K.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il Maxtor D540X-4K. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo Maxtor D540X-4K insieme con le istruzioni su come risolverli. Anche se non si riesci a risolvere il problema, il manuale d’uso ti mostrerà il percorso di ulteriori procedimenti – il contatto con il centro servizio clienti o il servizio più vicino.
