RD53s won't stay spun-up

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Article #3732

#3732

From: jeh
Date: Sun, 03 Jan 1993 00:06

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I have a pair of RD53s (real DEC-labelled RD53s) which I tried to put on a
DOS machine.  I pulled the R7 jumper and set the drive select to 1, and 
managed to get one to format on the ST506 controller.  However it then started
to exhibit a strange behavior:  It won't stay spun up.  When power is
applied it spins up to what seems to be close to full speed; I think I
hear the click indicating that the heads are being released; but then it spins
down again.  

Same thing happened with the other drive even before I tried formatting it.

What could I have done to these drives???

	--- Jamie Hanrahan, Kernel Mode Consulting, San Diego CA
drivers, internals, networks, applications, and training for VMS and Windows-NT
uucp 'g' protocol guru and release coordinator, VMSnet (DECUS uucp) W.G., and 
Chair, Programming and Internals Working Group, U.S. DECUS VMS Systems SIG 
Internet:  jeh@cmkrnl.com, hanrahan@eisner.decus.org, or jeh@crash.cts.com
Uucp:  ...{crash,eisner,uunet}!cmkrnl!jeh

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Path: arc1-ca.pugleaf.net!sparky!uunet!zaphod.mps.ohio-state.edu!wupost!spool.mu.edu!agate!biosci!ucselx!crash!cmkrnl!jeh
From: jeh@cmkrnl.com
Newsgroups: comp.sys.dec
Subject: RD53s won't stay spun-up
Message-ID: <1993Jan2.160631.1058@cmkrnl.com>
Date: 3 Jan 93 00:06:31 GMT
Organization: Kernel Mode Consulting, San Diego, CA
Lines: 18