| Ulra 2 - SCSI HDD | FRU P/N |
|---|---|
| 9.1 GB Ultra2 SCSI HDD | |
| (OPT P/N 20L0553) | 36L8648 |
| 18.2 GB Ultra2 SCSI HDD | |
| (OPT P/N 20L0554) | 36L8649 |
Disk Drive Configuration / Specification
Formatted capacity
9100 MB
(512-byte sectors)
18200 MB
Physical Dimensions:
Length
146.0 mm ( 5.75 inch)
Height
25.4 mm ( 1.0 inch)
Width
101.6 mm ( 4.0 inch)
Weight
0.63 Kg. ( 1.39 lb)
Mounting requirements:
Screw thread 6-32 UNC-2B, 4.0 mm max penetration
Performance :
Data transfer rates
Interface (max)
80 MB per second
Sustained
12 - 20 MB per second
Average read
7.0 ms
Rotational speed
7200 RPM
Buffer size
2 MB
Power Requirements :
Idle power
5.3 watts - 9.1 GB
(average)
6.9 watts - 18.2 GB
Random Read/Write
9.4 watts - 9.1 GB
(average)
10.3 watts - 18.2 GB
Start-up Current
2.00 amps - 9.1 GB
(+12 V - max)
2.00 amps - 18.2 GB
Environmental Characteristics:
Shock (11 ms)
10 G (operating)
(half sine)
75 G (not operating)
Temperature
5% - 55% C (operating)
0% - 65% C (storage)
Relative Humidity
8% - 90% (operating)
(non-condensing)
5% - 95% (storage)
Vibration
0.5 G (operating)
(swept sine)
2.0 G (not operating)
Actual performance varies based upon many factors and is frequently less than the maximum possible.
Transfer rate of 80 MB/sec occurs only when the drive is attached to a chain comprised exclusively
of Ultra2 SCSI devices, otherwise, the transfer rate is reduced to 40 MB/sec.
256 KB of buffer space is reserved for the drive firmware.
Please see the LEGAL - Trademark notice.
Feel free - send a 
for any BUG on this page found - Thank you.