Newsgroups: comp.sys.ibm.pc.hardware.cd-rom,alt.cd-rom
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From: twc@Saigon.COM (Ted Chan)
Subject: Re: Sony CD rom drive differences
Message-ID: <CLAwCw.M7C@Saigon.COM>
Organization: Saigon.COM - Vietnet Archive -- Ph: 1-408-730-1092 Login as bbs
References: <1994Feb15.082208.1@skcla.monsanto.com>
Date: Wed, 16 Feb 1994 04:55:43 GMT
Lines: 9
Xref: cdrom.com comp.sys.ibm.pc.hardware.cd-rom:1260 alt.cd-rom:541

From article <1994Feb15.082208.1@skcla.monsanto.com>, by mas@skcla.monsanto.com:
> Can someone tell me the difference between the Sony CDU-31A and Sony
> CDU-33A cd-rom drives??

The 31A is single-spin and uses caddy.  The 33A is double-spin and
doesn't use caddy.  Adapter card is proprietary sony and is physically
different (31A v. 33A).

--twc