Exercise 3Exercise 3--11

Floppy Disk DrivesFloppy Disk Drives

Exercise 3Exercise 3--11

Floppy Disk DrivesFloppy Disk Drives

Copyright © 2002 Heathkit Company, Inc. All Rights ReservedCopyright © 2002 Heathkit Company, Inc. All Rights Reserved

2

3434--Wire Ribbon CableWire Ribbon Cable3434--Wire Ribbon CableWire Ribbon Cable

3

Mother Mother

board board

connectorconnector

3½3½--inchinch

Twisted wiresTwisted wires

5.255.25--inchinch

3½3½--inchinch

5.255.25--inchinch

4

A Common 34A Common 34--Pin Connector forPin Connector for

33½½--Inch Floppy Disk Drives Inch Floppy Disk Drives

CutCut--outout CutCut--outoutKeyKey

5

Connectors for 5¼Connectors for 5¼--inch drivesinch drives

Connectors for 3½Connectors for 3½--inch drivesinch drives

Drive ADrive A

ConnectorsConnectors

Drive BDrive B

ConnectorsConnectors

6

Rear View of 3½-Inch Drive...Rear View of 3½-Inch Drive...

DataData

CableCablePowerPower

CableCable

StripeStripe

SideSide

Yellow Wire = 12 VoltsYellow Wire = 12 Volts

Red Wire = 5 VoltsRed Wire = 5 Volts

Black Wires = GroundBlack Wires = Ground

7

1 21 2

DS 1DS 1

DS 2DS 2

DS 3DS 3

Plug and PlayPlug and Play

NO jumpersNO jumpers

8

Most Common

Installation Problems

Most Common

Installation Problems

Control cable backwardsControl cable backwards

Jumpers on legacy drives wrongJumpers on legacy drives wrong

9

Having problems reading or Having problems reading or

writing to disks?writing to disks?

Having problems reading or Having problems reading or

writing to disks?writing to disks?

10

DC

AC

V

OFF

1000

200

20

2

200m

20M

2M

200k20k

2k

200

A

200µ

20m2m

200m10A

V COM mA 10A

K

Use VOM to Use VOM to

check check

continuitycontinuity

11

Spend $5.95 for a new cableSpend $5.95 for a new cableSpend $5.95 for a new cableSpend $5.95 for a new cable

12

Common Floppy Disk Drive

Troubleshooting Problems

Common Floppy Disk Drive

Troubleshooting Problems

Can’t read floppy diskCan’t read floppy disk

Spilled liquid on diskSpilled liquid on disk

Can’t read or write to diskCan’t read or write to disk

Random read/write problemsRandom read/write problems

Floppy drive makes grinding soundsFloppy drive makes grinding sounds

Phantom directoriesPhantom directories

Computer keeps accessing floppy drive even when Computer keeps accessing floppy drive even when no disk is in itno disk is in it

13

One of Several Error Messages...One of Several Error Messages...

14

Sometimes Retry Works...Sometimes Retry Works...

15

Try a Different DiskTry a Different DiskTry a Different DiskTry a Different Disk

HH

DD

Win 98Win 98

Boot DiskBoot Disk

HH

DD

Win 98Win 98

Boot DiskBoot Disk

HH

DD

Win 98Win 98

Boot DiskBoot Disk

HH

DD

Win 98Win 98

Boot DiskBoot Disk

HDHD

16

Nicked Ribbon CableNicked Ribbon Cable

17

Throw Drive Away...Throw Drive Away...

TrashTrash

18

DC

AC

V

OFF

1000

200

20

2

200m

20M

2M

200k20k

2k

200

A

200µ

20m2m

200m10A

V COM mA 10A

2

Read Power

Supply

Voltages

19

Still no luck finding the R/W

problem? Time to swap...

Still no luck finding the R/W

problem? Time to swap...

ControllerController

CableCable

Floppy Disk DriveFloppy Disk Drive

20

Random Read/Write Problems...Random Read/Write Problems...

Change cableChange cable

Change driveChange drive

Check power supplyCheck power supply

21

The SolutionThe Solution

Configuring Hard

Disk Drives

Configuring Hard

Disk Drives

23

Western Digital

WD200 Hard Drive

Jumper

(set for Cable Select)

Jumper

(set for Cable Select)

24

Advantages of Cable Select

Simpler hard drive configuration.Simpler hard drive configuration.

Eliminates rejumpering.Eliminates rejumpering.

Reduces electrical signaling problems.Reduces electrical signaling problems.

25

Disadvantages of Cable Select

Requires a different hard drive data cable.Requires a different hard drive data cable.

Both hard drives on the same motherboard Both hard drives on the same motherboard

data port must be able to support Cable data port must be able to support Cable

Select.Select.

The hard drives on the data cable must be The hard drives on the data cable must be

connected in a certain order.connected in a certain order.

26

The Cable Select Data Cable

Gray Connector - SlaveGray Connector - Slave

Black Connector - MasterBlack Connector - Master

Blue Connector – IDE PortBlue Connector – IDE Port

27

Modifying the Boot Device Priority

28

Setting the Boot

Sequence

29

Boot Device PriorityBoot Device Priority

30

Hard Disk Drives

(with 2 drives)

31

Hard Disk Drives

(with 3 drives)

32

Hard Disk Drives

(resequenced)

33

Boot Device PriorityBoot Device Priority

34

Drive Capacity LimitationsDrive Capacity Limitations

35

The 528MB BarrierThe 528MB Barrier

1024 cylinders1024 cylinders

xx

16 logical heads16 logical heads

xx

63 sectors63 sectors

xx

512 bytes512 bytes--perper--sectorsector

528,482,304 bytes or 528MB528,482,304 bytes or 528MB

36

The 8.4GB BarrierThe 8.4GB Barrier

1024 cylinders1024 cylinders

xx

256 logical heads256 logical heads

xx

63 sectors63 sectors

xx

512 bytes512 bytes--perper--sectorsector

8,455,716,864 bytes or 8.4GB8,455,716,864 bytes or 8.4GB

The 137GB BarrierThe 137GB Barrier

268,435,456 sectors268,435,456 sectors

xx

512 bytes512 bytes--perper--sectorsector

137,438,953,500 bytes or 137GB137,438,953,500 bytes or 137GB

Maximum Volume Sizes

FILE SYSTEMFILE SYSTEM MAX SIZEMAX SIZE OS OS SUPPORTEDSUPPORTED

FAT(FAT16) 2GB DOS and all versions ofFAT(FAT16) 2GB DOS and all versions of

WindowsWindows

FAT32 2TB Windows 98, ME, 2000FAT32 2TB Windows 98, ME, 2000

and XPand XP

NTFS 2TB Windows NT, 2000,NTFS 2TB Windows NT, 2000,

and XPand XP

NTFS5 2TB Windows 2000 and XPNTFS5 2TB Windows 2000 and XP

39

Now, it’s your turn.Now, it’s your turn.