6
SPECIFICATIONS – MK2016GAP (HDD2154)
General
Model MK2016GAP
(HDD2154)
Interface ATA-2/3/4
Functionality
Formatted Capacity
20.003GB*
Rotational Speed
4200rpm
Avg. Rotational Latency
7.14/ms
Spin-up Time
4sec (typical)
Buffer 1MB
Seek Time (Average)
13
Internal Transfer Rate
121.4 ~ 234.1Mbits/sec (max)
Host Transfer Rate
Ultra DMA mode
PIO mode
66.7Mbytes/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
2
Number of Read/Write Heads
4
Track Density (TPI)
1,417 (36.0K)
Logical Cylinders
16,383
Logical Heads
16
Logical Sectors/track
63
Bytes per Sector
512
Logical Blocks (LBA)
39,070,080
Reliability
Preventative maintenance
None
Nonrecoverable read errors
1 error per 10
13
bits read
Electrical
Voltage 5V
±5%
Power Consumption
Start 2.9W
typ
Seek 2.5W
typ
Read/Write 2.2W
typ
Sleep 0.1W
typ
Energy Consumption Efficiency
0.035W/GB avg
Shock
Operating 1,470m/s
2
(150G)(2msec)
Non-Operating 6,8600m/s
2
(700G)(1msec)