Western Digital WDE2170 - Manual (Page 10)

Description and Features WD Enterprise WDE2170/WDE4360
RELEASED 04-08-97 4079-001045 Rev. B 2
1.2. Advanced Features
Product Features

 Formatted Capacities of 2.17 GB and 4.36 GB

 Low-profile 1-Inch (25.4 mm) in Height

 7200 RPM Spindle Speed

 SCSI-3 SPI Compliant; Ultra Fast/Ultra Fast Wide with SCA-2 interface supported

 512 kilobytes Programmable Multi-segmented Data Buffer (1 MB option)

 Zoned Recording

 Headerless Format

 SCAM Plug-N-Play Compliant

 Single-ended or Differential SCSI Drivers/Receivers (optional)

 Active Termination (available on 50- and 68-pin single-ended drives)

 Downloadable Firmware (both interface and servo code)

 Embedded Servo

 Balanced Spindle

 Dynamic Spindle Brake

 Vertical or Horizontal Mounting
Performance Features

 Media Data Transfer Rate up to 140 Mbits/s

 Average Read Seek Time of 8 ms

 4.17 ms Rotational Latency

 Command Queuing

 Command Reordering (Seek and Rotational)

 Write/Read Coalescing

 Adaptive Caching Algorithm

 Self-Optimizing Buffer Ratios

 Adaptive Segmented Cache

 Auto-Read Reallocation/Auto-Write Reallocation (ARRE/AWRE)

 Adaptive Servo Functions
Reliability Features

 Self Monitoring and Reporting Technology (S.M.A.R.T.)

 Direct Hot-Plug Capability in SCA-2 Configuration

 Hardware ECC On-The-Fly Error Correction

 CRC Data Buffer Protection

 Sector Slipping Defect Management

 Self Diagnostics on Power Up

 1,000,000 Hour MTBF Projected
These advanced product features are further defined in section 3. In certain cases we
refer you to other documents for additional detail. To obtain a document, contact your
local Western Digital sales office, authorized Western Digital reseller, or access the
Western Digital web page at www.wdc.com