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Article View: comp.sys.atari.st
Article #32451

Re: clocks that fit under ROM chips?

#32451
From: Michael Schuster
Date: Mon, 09 May 1988 23:33
27 lines
1692 bytes
In article <3275@hcr.UUCP> miken@hcr.UUCP (Mike Nemeth) writes:
>i have read of clock chips that are installed under one of the ROMs.
>what is/are the name/number of this/these chip(s)? how does one go about
>setting the clock, or does it come pre-set? anyone have information on this?

The chip (actually a circuit module in a DIP socket) is the Dallas Semiconductor
DS1216E SmartWatch. There is public domain software, written by TransTech in
San Diego, that will use the SmartWatch in any ST rom socket (including
cartridge sockets). TT was selling them for about $25 a while back. I
don't know if they're still distributing them, but you can try calling them
at (619) 283-9328.

Caution: it is physically impossible to install the DS1216E in a 1040ST
without cutting into the power supply bracket. The bottom of the pan
just clears the tops of the TOS roms as it is.

Alternatively, Radio Shaft will sell you a SmartWatch locally, sans Atari
software, at a considerably inflated price.

                                 ----mike



-- 
l\  /l'   _  Mike Schuster          {sun!hoptoad,cmcl2!phri}!dasys1!schuster
l \/ lll/(_  Big Electric Cat       schuster@dasys1.UUCP
l    lll\(_  New York, NY USA       DELPHI,GEnie:MSCHUSTER  CIS:70346,1745 
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Message-ID: <4340@dasys1.UUCP>
Path: arc1-ca.pugleaf.net!utzoo!mnetor!uunet!husc6!cmcl2!phri!dasys1!schuster
References: <3275@hcr.UUCP>

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Path: arc1-ca.pugleaf.net!utzoo!mnetor!uunet!husc6!cmcl2!phri!dasys1!schuster
From: schuster@dasys1.UUCP (Michael Schuster)
Newsgroups: comp.sys.atari.st
Subject: Re: clocks that fit under ROM chips?
Message-ID: <4340@dasys1.UUCP>
Date: 9 May 88 23:33:26 GMT
References: <3275@hcr.UUCP>
Reply-To: schuster@dasys1.UUCP (Michael Schuster)
Organization: The Big Electric Cat; New York, N.Y. USA
Lines: 27
Summary: SmartWatch