HP (Hewlett-Packard) 1900ux Manuale Utente

Specifications

62

Drive specifications

Note:  

This product supports mixed drives. The supported configuration includes two 

MO drives and two UDO drives only.

Table 11:  Drive specifications

Characteristic

Specification

Disk capacity

30 GB

Average seek

35 msec

Rotational speed

■

2100 RPM +/- 0.5% WORM

■

1950 RPM +/- 0.5% Rewritable

Data transfer rate (software and system 

dependent)

■

Reads (max. sustained): 
— WORM, 7.96 MB/sec
— Rewritable,  7.99  MB/sec

■

Writes (max. sustained):
— WORM, 3.98 MB/sec
— Rewritable,  3.99  MB/sec

■

Burst (synchronous): 40 MG/sec

■

Burst (asynchronous, data in):

6.7 MB/sec

■

Burst (asynchronous, data out):

40 MB/sec

Disk load time

5 sec typical/

Disk unload time

3 sec typical

Read/write compatibility

Read/write UDO 1st generation format 

only

Interface type

SCSI LVD (68 pin)

MSBF

750,000 load/unload cycles

Read/write error rate (uncorrectable)

< 1 per 10

20

 bytes read

Seek error rates

■

Recoverable: < 1 per 100,000 

seeks

■

Hard error seeks: <1 per 10,000 

seeks