Difference between revisions of "RA60 Disk Drive"

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{{Infobox Disk drive
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| name = RA60
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| manufacturer = [[Digital Equipment Corporation]]
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| year introduced = 1982
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| controller = all [[SDI controllers]]
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| capacity = 205 Mbytes (formatted)
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| transfer rate = 1.3 Mbytes/sec
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| average access time = 50 msec
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| rpm = 3600 1/min
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| one track seek = 6.7 msec
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| average seek = 41.7 msec
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}}
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[[Image:open ra60.jpg|thumb|200px|right|An open RA60]]
 
[[Image:open ra60.jpg|thumb|200px|right|An open RA60]]
  
205 MB [[SDI]] HD, 1300 KB/s, 50 ms average access, 41.7 ms average seek, 6.7 track-to-track seek time, 3600 rpm
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It's a removable disk.
 
 
It's a removable disk too.
 
  
 
= 4.3 BSD disktab =
 
= 4.3 BSD disktab =

Revision as of 17:34, 14 August 2023


RA60
Manufacturer: Digital Equipment Corporation
Year Introduced: 1982
Drive Controller(s): all SDI controllers
Capacity: 205 Mbytes (formatted)
Transfer Rate: 1.3 Mbytes/sec
Average Access Time: 50 msec
Revolutions per Minute: 3600 1/min
One Track Seek Time: 6.7 msec
Average Seek Time: 41.7 msec


An open RA60

It's a removable disk.

4.3 BSD disktab

ra60|RA60|DEC RA60 Removable:\
    :ty=removable:ns#42:nt#4:nc#2382:\
    :pa#15884:ba#8192:fa#1024:\
    :pb#33440:pc#400176:\
    :pg#82080:bg#4096:fg#512:\
    :ph#268772:bh#4096:fh#1024: