SPECIFICATIONS – MK2004GAL (HDD1422) HARD DISK DRIVE
General |
|
Model | MK2004GAL (HDD1422) |
Interface | |
Functionality |
|
Formatted Capacity | 20.0GB* |
Rotational Speed | 4200rpm |
Avg. Rotational Latency | 7.14/ms |
3.5sec (typical) | |
Buffer | 2Mbytes |
Seek Time |
|
Average | 15 |
Maximum | 26 |
Internal Transfer Rate | 125.5 ~ 253.1 Mbits/sec (max) |
Host Transfer Rate |
|
Ultra DMA mode | 100Mbytes/sec |
PIO Mode | 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 |
1 error per 1013 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/s2 (250G)(2msec) |
9,800m/s2 (1000G)(1msec) |
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