toshiba america information systems storage device division irvine, california MK4008GAH (hdd1744) 1.8-inch hard disk drive user manual rev 02 11/2006
contents introductio n..............................................................................1 setup ........................................................................................2 using t he hdd .........................................................................3 specificat ions ..........................................................................4 drive con nectors .....................................................................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 *toshiba defines a megabyte (mb) as 1,000,000 bytes and a gigabyte (gb) as 1,000,000,000 bytes.
2 setup ? MK4008GAH (hdd1744) hard disk drive caution : your hard disk drive is a precision devi ce 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 y our computer system before beginning installation
3 using the hard disk dri ve ? 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 *toshiba defines a megabyte (mb) as 1,000,000 by tes and a gigabyte (gb) as 1,000,000,000 bytes. 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 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 effi ciency 0.0075w/gb avg shock operating 4,900m/s 2 (500g)(2msec) non-operating 14,700m/s 2 (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.
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