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SPECIFICATIONS –MK4008GAH (HDD1744) HARD DISK DRIVE 

General 

Model MK4008GAH 

(HDD1744) 

Interface ATA-6 

Functionality

 

 

 

Internal Drive Characteristics 

Formatted Capacity 

40.0GB

Rotational Speed 

4,200rpm 

Avg. Rotational Latency 

7.14/ms 

Spin-up Time 

3.sec (typical) 

Buffer 2MB 
Seek Time  
 Average 
 Maximum 

 
15 
26 

Internal Transfer Rate 

132.6 ~ 230.9 Mbits/sec (max) 

Host Transfer Rate  

 

 Ultra 

DMA 

mode 

 PIO 

Mode 

100Mbytes/sec  
16.6Mbytes/sec 

Interleave Factor 

1:1 

Number of Disks 

Number of Data Heads 

Track Density (TPI) 

4,331 (110k) 

Logical Cylinders 

16,383 

Logical Heads 

16 

Logical Sectors/track 

63 

Bytes per Sector 

512 

Logical Blocks (LBA) 

78,126,048 

Reliability 

Preventative maintenance 

None 

Non-recoverable read errors 

1 error per 10

13

 bits read 

Electrical

  

Voltage 3.3V 

5% 

Power Consumption

 

Start 1.8W 

typ 

Seek 

1.1W  typ 

Read/Write 

1.0W  typ 

Sleep 

0.07W  typ 

Energy Consumption Efficiency 0.0075W/GB 

avg 

 

Shock 

 Operating 

4,900m/s

2

 (500G)(2msec) 

 Non-Operating 

14,700m/s

2

 (1500G)(1msec) 

Содержание HDD1744

Страница 1: ...TOSHIBA AMERICA INFORMATION SYSTEMS STORAGE DEVICE DIVISION IRVINE CALIFORNIA MK4008GAH HDD1744 1 8 INCH HARD DISK DRIVE USER MANUAL ...

Страница 2: ...CONTENTS Introduction 1 Setup 2 Using the HDD 3 Specifications 4 Drive Connectors 6 ...

Страница 3: ...ON MK4008GAH HDD1744 HARD DISK DRIVE General Features 1 8 sized drive 2 Platter 40 Gigabytes 8mm High 15ms Average Seek Time ATA 6 Interface Ultra DMA 100 2MB Buffer Rotational speed of 4 200rpm MTTF 300 000 Hours ...

Страница 4: ...tronstatic discharge can also damage the drive You should ground yourself prior to handling the drive Figure 1 MK4008GAH Side View Installation Notes Do not apply any force to the top cover except the screw areas on top cover Maximum force to the specified area is 2N important Note Disconnect power from your computer system before beginning installation ...

Страница 5: ...3 USING THE HARD DISK DRIVE MK4008GAH HDD1744 HARD DISK DRIVE Backing up Data Files To avoid data loss regularly back up the data files on the hard disk drive ...

Страница 6: ...mode PIO Mode 100Mbytes sec 16 6Mbytes sec Interleave Factor 1 1 Number of Disks 2 Number of Data Heads 4 Track Density TPI 4 331 110k Logical Cylinders 16 383 Logical Heads 16 Logical Sectors track 63 Bytes per Sector 512 Logical Blocks LBA 78 126 048 Reliability Preventative maintenance None Non recoverable read errors 1 error per 1013 bits read Electrical Voltage 3 3V 5 Power Consumption Start ...

Страница 7: ...Width 2 13 54 0mm Depth 3 09 78 5mm Weight 2 08oz 59g typ Regulatory The drive satisfies the following standards Underwriters Laboratories UL 1950 Canadian Standard Association CSA C22 2 No 950 TUV Rheinland EN 60 950 BSMI 3902C799 ...

Страница 8: ...6 DRIVE CONNECTORS MK4008GAH HDD1744 HARD DISK DRIVE Figure 1 MK4008GAH HDD INTERFACE CONNECTOR Interface Connector ...

Страница 9: ... DD 4 12 DD 11 13 DD 3 14 DD 12 15 DD 2 16 DD 13 17 DD 1 18 DD 14 19 DD 0 20 DD 15 21 GROUND 22 DMARQ 23 GROUND 24 DIOW STOP 25 DIOR HDMARDY HSTROBE 26 GROUND 27 IORDY DMARDY DSTROBE 28 GROUND 29 DMACK 30 INTRQ 31 DA1 32 PDIAG CBLID 33 DA0 34 DA 2 35 CS0 36 CS1 37 DASP 38 3 3V 39 3 3V 40 RESERVED Note Symbol in front of signal indicates negative logic ...

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