PHYSICAL SPECIFICATIONS              AC2200

Intertface                           AT
Formatted Capacity                   212.6 MB
Actuator Type                        Voice Coile
Number of Disks                      2
Data Surfaces                        4
Number of Heads                      4
Tracks per Cylinder                  4
Number of Cylinders                  1976
 Zone 1                              1024
 Zone 2                              952
Average Track Density                2500 tpi
Formatted Cyl. Capacity
 Zone 1                               97,280 Bytes
 Zone 2                              113,664 Bytes
Bytes per Sector                     512
User Sectors per Drive               415,408
Sectors per Track
 Zone 1                              48
 Zone 2                              56
Servo Type                           Embedded
Recording Methode                    2.7 RLL
Recording Density                    41,250 bpi
Flux Density                         27,500 fci
BCC                                  56-bit
Dedicated Landing Zone               yes
Actuator Latch/Auto Park             yes

PERFORMANCE SPECIFICATIONS
Seek Times:
- Average Seek                       sub-14 ms
- Track to Track                     5 ms
- Maximum Seek                       24 ms
Average Latency                      8.21 ms
Controller Overhead                  0.3 ms average
Rotational Speed                     3652 rpm

Data Transfer Rate:
- Buffer to Disk
 Zone 1                              18.7 Mbit/sec.
 Zone 2                              15.7 Mbit/sec.
- Buffer to Host                     5.0 Mbytes/sec.
Cache                                Adaptive, Segmented
Buffer                               64k, 128K, 256K option
Interleave                           1:1
Spindle Start Time                   5 sec.
Start/Stop Cycles                    10.000 cycles min.
Master/Slave Support                 yes
17 Sector/Track Support              yes
Error Rate:
  Recoverable                        1 in 1010 bits read
  Unrecoverable                      1 in 1013 bits read

 Western Digital Deutschland GmbH
 Zamdorfer Strasse 26
 8000 Muenchen 80
 Tel. 089-92 20 06-0
 Fax  089-91 46 11

                         Tel. +49-7032-28415                                 
             Sysop: Volker Rajsich                             
                 FidoNet: 2:244/68                               
                  BBS        UUCP: Volker.Rajsich@Quattro.stgt.sub.org     

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