| Specifications |
 |
|
|
| Model |
DARA-212000/ 209000/ 206000 |
|
|
|
| Configuration |
|
|
|
| Interface |
|
ATA-4 |
|
|
|
| Capacity (GB) |
|
12.0/ 9.0/ 6.0 |
|
|
|
| Sector size (bytes) |
|
512 |
|
|
|
| Recording zones |
|
12 |
|
|
|
| User cylinders |
|
17,088 |
|
|
|
| Data heads |
|
4/ 3/ 2 |
|
|
|
| Disks |
|
2/ 2/ 1 |
|
|
|
Max. areal density
(Gbits/ sq. in.) |
|
10.1 |
|
|
|
Max. recording
density (KBPI) |
|
356.0 |
|
|
|
Track density
(KTPI) |
|
28.5 |
|
|
|
| Drive Fitness Test |
|
Supported |
|
|
|
| Performance |
|
|
|
| Data buffer (KB) |
|
512² |
|
|
|
Rotational speed
(RPM) |
|
4200 |
|
|
|
Latency (average
ms) |
|
7.1 |
|
|
|
Media transfer
rate (Mbits/sec) |
|
85.5- 161.6 |
|
|
|
Interface transfer
rate (MB/sec) |
|
66.6 Ultra-DMA mode 4
16.6 PIO mode 4 |
|
|
|
| Seek time (ms) |
|
|
|
|
|
| Average (typical) |
|
12.0 |
|
|
|
Single track
(typical) |
|
2.5 |
|
|
|
Full stroke
(typical) |
|
23.0 |
|
|
|
| Reliability |
|
|
|
Error rate
(nonrecoverable) |
|
< 1 per 1.0E13 bits transferred |
|
|
|
Load/unload
cycles |
|
300,000 |
|
|
|
| Power |
|
|
|
Voltage
requirement (VDC) |
|
+5 (+/- 5 %) |
|
|
|
| Dissipation (W) |
|
|
|
|
|
Startup
(max. peak) |
|
4.7 |
|
|
|
| Seek (typical) |
|
2.3 |
|
|
|
| Read (typical) |
|
2.0 |
|
|
|
| Write (typical) |
|
2.1 |
|
|
|
Performance
idle (typical) |
|
1.85 |
|
|
|
Active idle
(typical) |
|
0.85 |
|
|
|
Low power
idle (typical) |
|
0.65 |
|
|
|
Standby
(typical) |
|
0.25 |
|
|
|
| Sleep (typical) |
|
0.1 |
|
|
|
Power
consumption
efficiency
(watts/MB) |
|
0.00005/
0.00007/
0.00001 |
|
|
|
| Physical size |
|
|
|
| Height (mm) |
|
9.5 |
|
|
|
Width (mm,
nominal) |
|
69.9 |
|
|
|
Depth (mm,
nominal) |
|
100.2 |
|
|
|
| Weight (g) |
|
99.0 |
|
|
|
| Environmental characteristics |
|
Operating |
|
Nonoperating |
|
|
|
| Ambient temperature |
|
5 to 55°C |
|
-40 to 65°C |
|
|
|
| Relative humidity (noncondensing) |
|
8% to 90% |
|
5% to 95% |
|
|
|
Maximum wet bulb
(noncondensing) |
|
29.4°C |
|
40.0°C |
|
|
|
| Shock (half sine wave) |
|
150 G/ 2 ms
|
|
500 G/ 2 ms
|
|
|
|
| Vibration |
|
|
|
|
|
|
|
| Random (RMS) |
|
0.67 G (5-500 Hz) |
|
3.01 G (2.5-500 Hz) |
|
|
|
| Swept swine |
|
1 G 0-peak (5-500 Hz) |
|
5 G 0-peak (10-500 Hz) |
|
|
|
|
| Warranty |
|
|
|
| Three years* |
|
