IBM Ultrastar 9LP Manual

IBM OEM Storage Products
Ultrastar 9LP & 18XP
DGHS-39110 and DGHS-318220
Models: SCSI-3 FAST20 (50pin Single-Ended)
SCSI-3 FAST20 (68pin Single-Ended or Differential)
SCSI-3 FAST20 (80pin Single-Ended SCA-2)
SCSI-3 FAST40 (68 & 80pin (L)ow (V)oltage (D)ifferential)
IBM OEM has introduced a new range of drives
intended for advanced storage applications
which demand fast access to large amounts of
data.
The drives spin at 7200 rpm, have an EPRML
channel, embedded sector servo, S.M.A.R.T and
media data rate 11.52-22.40MB/s.
Applications
M M
Technical/commercial workstations
M M
Network servers
M M
Mass storage arrays
M M
High end personal computers
M M
Large scale imaging and graphics
M M
Video servers
M M
Video editing
Features
M M
9.11GB and 18.22GB formatted capacities (512 byte/sector)
M M
Industry standard interface
M M
50 pin ANSI SCSI-3
M M
68 pin ANSI SCSI-3
M M
80 pin ANSI SCSI-3
M M
11.52-22.40 MB/s media data rate (instantaneous)
M M
8-16.0 MB/s media data rate (functional)
M M
Rotational speed 7200 RPM
M M
Average seek time 6.5ms (9.11GB) 7.5ms (18.22GB)
M M
Latency 4.17 ms
M M
1MByte multi-segmented dual port data buffer
M M
Low command overhead
M M
ECC on the fly (EOTF)
M M
Industry standard mounting
M M
Predictive Failure Analysis (S.M.A.R.T. Compliant)
M M
Read ahead caching
Benefits
M M
Range of capacities to meet the need for increasing storage requirements
M M
Fast interface data rates
M M
20MB/sec data transfer speed
M M
40MB/sec (Fast 20) & 80MB/sec (Fast 40) data transfer speed
M M
40MB/sec (Fast 20) & 80MB/sec (Fast 40) data transfer speed
M M
High data rate across entire disk surface
M M
Fast access to data
M M
Fast data retrieval in single and multitasking applications
M M
Improved data throughput
M M
Ease of installation
M M
High reliability and availability
IBM