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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