Toshiba MK2004GAL Computer Drive User Manual


 
4
SPECIFICATIONS – MK2004GAL (HDD1422) HARD DISK DRIVE
General
Model MK2004GAL (HDD1422)
Interface ATA-2/3/4/5
Functionality
Formatted Capacity 20.0GB*
Rotational Speed 4200rpm
Avg. Rotational Latency 7.14/ms
Spin-up Time 3.5sec (typical)
Buffer 2Mbytes
Seek Time
Average
Maximum
15
26
Internal Transfer Rate 125.5 ~ 253.1 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 bytes and a gigabyte (GB) as 1,000,000,000 bytes.
Internal Drive Characteristics
Number of Disks 1
Number of Data Heads 2
Track Density (TPI) 3,465 (88.0k)
Logical Cylinders 16,383
Logical Heads 16
Logical Sectors/track 63
Bytes per Sector 512
Logical Blocks (LBA) 39,063,024
Reliability
Preventative maintenance None
Non-recoverable read errors 1 error per 10
13
bits read
Electrical
Voltage 3.3V 5%
Power Consumption
Start 1.2W typ
Seek 1.4W typ
Read/Write 1.4W typ
Sleep 0.08W typ
Energy Consumption Efficiency 0.02W/GB avg
Shock
Operating 2,450m/s
2
(250G)(2msec)
Non-Operating 9,800m/s
2
(1000G)(1msec)