TOSHIBA AMERICA INFORMATION SYSTEMS
STORAGE DEVICE DIVISION
IRVINE, CALIFORNIA
MK4008GAH (HDD1744)
1.8-INCH HARD DISK DRIVE
USER MANUAL
Rev 02
11/2006
CONTENTS
Introduction..............................................................................1
Setup ........................................................................................2
Using the HDD .........................................................................3
Specifications ..........................................................................4
Drive Connectors.....................................................................6
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.
1
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
2
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.
3
SPECIFICATIONS –MK4008GAH (HDD1744) HARD DISK DRIVE
General
Interface ATA-6
Functionality
Formatted Capacity
Rotational Speed
Avg. Rotational Latency
40.0GB*
4,200rpm
7.14/ms
Spin-up Time 3.sec (typical)
Buffer 2MB
Seek Time
Average
Maximum
Internal Transfer Rate
15
26
132.6 ~ 230.9 Mbits/sec (max)
Host Transfer Rate
100Mbytes/sec
Interleave Factor
16.6Mbytes/sec
1:1
*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
Number of Data Heads
Track Density (TPI)
Logical Cylinders
Logical Heads
Logical Sectors/track
Bytes per Sector
Logical Blocks (LBA)
2
4
4,331 (110k)
16,383
16
63
512
78,126,048
Reliability
Preventative maintenance
Non-recoverable read errors
Electrical
None
1 error per 10 13 bits read
Power Consumption
Seek
Read/Write
Sleep
Shock
Operating
Non-Operating
4
1.1W typ
1.0W typ
0.07W typ
4,900m/s 2 (500G)(2msec)
14,700m/s 2 (1500G)(1msec)
Physical
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
5
DRIVE CONNECTORS –MK4008GAH (HDD1744) HARD DISK DRIVE
Interface Connector
Figure 1. MK4008GAH HDD - INTERFACE CONNECTOR
6
7
Interface Signals
DRIVE INTERFACE SIGNALS
3
5
7
9
11
13
15
- RESET
DD 7
DD 6
DD 5
DD 4
DD 3
DD 2
4
6
8
10
12
14
16
GROUND
DD 8
DD 9
DD 10
DD 11
DD 12
DD 13
17
19
DD 1
DD 0
18
20
DD 14
DD 15
21 GROUND 22 DMARQ
25
27
- DIOR/
- HDMARDY
HSTROBE
IORDY/
- DMARDY/-
DSTROBE
26 GROUND
28 GROUND
29 DMACK 30 INTRQ
Note: Symbol (-) in front of signal indicates negative logic.
