Toshiba MK4008GAH (HDD1744) User manual

TOSHIBA AMERICA INFORMATION SYSTEMS
STORAGE DEVICE DIVISION
IRVINE, CALIFORNIA
MK4008GAH (HDD1744)
1.8-INCH HARD DISK DRIVE
USER MANUAL

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

1
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

2
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

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.

4
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 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 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/s2(500G)(2msec)
Non-Operating 14,700m/s2(1500G)(1msec)

5
Physical
Height 0.315 (8.0mm)
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

6
DRIVE CONNECTORS –MK4008GAH (HDD1744) HARD DISK DRIVE
Figure 1. MK4008GAH HDD - INTERFACE CONNECTOR
Interface Connector

7
Interface Signals
DRIVE INTERFACE SIGNALS
PIN SIGNAL PIN SIGNAL
1 RESERVED 2 RESERVED
3 - RESET 4 GROUND
5 DD 7 6 DD 8
7 DD 6 8 DD 9
9 DD 5 10 DD 10
11 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.