Toshiba Computer Drive HDD1744 User Manual

TOSHIBA AMERICA INFORMATION SYSTEMS  
STORAGE DEVICE DIVISION  
IRVINE, CALIFORNIA  
MK4008GAH (HDD1744)  
1.8-INCH HARD DISK DRIVE  
USER MANUAL  
Rev 02  
11/2006  
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INTRODUCTION – 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  
*Toshiba defines a megabyte (MB) as 1,000,000 bytes and a gigabyte (GB) as 1,000,000,000 bytes.  
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SETUP – MK4008GAH (HDD1744) HARD DISK DRIVE  
Caution: Your Hard Disk Drive is a precision device and even a small drop onto any surface can  
cause damage. Electronstatic 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  
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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.  
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SPECIFICATIONS –MK4008GAH (HDD1744) HARD DISK DRIVE  
General  
Model  
Interface  
MK4008GAH (HDD1744)  
ATA-6  
Functionality  
Formatted Capacity  
Rotational Speed  
Avg. Rotational Latency  
Spin-up Time  
40.0GB*  
4,200rpm  
7.14/ms  
3.sec (typical)  
2MB  
Buffer  
Seek Time  
Average  
Maximum  
15  
26  
Internal Transfer Rate  
Host Transfer Rate  
Ultra DMA mode  
PIO Mode  
132.6 ~ 230.9 Mbits/sec (max)  
100Mbytes/sec  
16.6Mbytes/sec  
1:1  
Interleave Factor  
*Toshiba defines a megabyte (MB) as 1,000,000 bytes and a gigabyte (GB) as 1,000,000,000 bytes.  
Internal Drive Characteristics  
Number of Disks  
2
Number of Data Heads  
Track Density (TPI)  
Logical Cylinders  
Logical Heads  
4
4,331 (110k)  
16,383  
16  
Logical Sectors/track  
Bytes per Sector  
63  
512  
Logical Blocks (LBA)  
78,126,048  
Reliability  
Preventative maintenance  
Non-recoverable read errors  
None  
1 error per 1013 bits read  
Electrical  
Voltage  
3.3V 5%  
Power Consumption  
Start  
Seek  
1.8W typ  
1.1W typ  
Read/Write  
Sleep  
1.0W typ  
0.07W typ  
Energy Consumption Efficiency  
0.0075W/GB avg  
Shock  
Operating  
Non-Operating  
4,900m/s2 (500G)(2msec)  
14,700m/s2 (1500G)(1msec)  
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Physical  
Height  
Width  
Depth  
Weight  
0.315 (8.0mm)  
2.13" (54.0mm)  
3.09" (78.5mm)  
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  
BSMI  
EN 60 950  
3902C799  
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DRIVE CONNECTORS –MK4008GAH (HDD1744) HARD DISK DRIVE  
Figure 1. MK4008GAH HDD - INTERFACE CONNECTOR  
Interface Connector  
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Interface Signals  
DRIVE INTERFACE SIGNALS  
PIN  
1
SIGNAL  
RESERVED  
- RESET  
DD 7  
PIN  
2
SIGNAL  
RESERVED  
GROUND  
DD 8  
3
4
5
6
7
DD 6  
8
DD 9  
9
DD 5  
10  
12  
14  
16  
18  
20  
22  
24  
26  
DD 10  
11  
13  
15  
17  
19  
21  
23  
25  
DD 4  
DD 11  
DD 3  
DD 12  
DD 2  
DD 13  
DD 1  
DD 14  
DD 0  
DD 15  
GROUND  
GROUND  
DMARQ  
-DIOW/STOP  
GROUND  
- DIOR/  
- HDMARDY  
HSTROBE  
27  
IORDY/  
28  
GROUND  
- DMARDY/-  
DSTROBE  
29  
31  
33  
35  
37  
39  
DMACK  
DA1  
30  
32  
34  
36  
38  
40  
INTRQ  
- PDIAG/-CBLID  
DA 2  
DA0  
- CS0  
- DASP  
+3.3V  
CS1  
+3.3V  
RESERVED  
Note: Symbol (-) in front of signal indicates negative logic.  
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