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- Path: sdd.hp.com!inn
- From: Jeff Grimmett <jgrimm@sdd.hp.com>
- Newsgroups: comp.sys.amiga.hardware,comp.sys.amiga.datacomm,comp.sys.amiga.applications
- Subject: Re: General Q: can a serial device be unplugged?
- Date: 22 Jan 1996 17:27:16 GMT
- Organization: Hewlett-Packard Company
- Message-ID: <4e0hdk$16d@news.sdd.hp.com>
- References: <4ds38s$va@nyx10.cs.du.edu> <4dtulc$77h@news.sdd.hp.com> <4du2p7$5f8@ixnews6.ix.netcom.com>
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- artgoat@ix.netcom.com (VW) wrote:
-
- >>>Can a hardware serial device (like a null-modem linked portable) be
- >>>unplugged from the (still-powered) host computer without causing any
- >>>serious damage to the host?
- >
- >>Not in the Amiga's case. Just one slip can cause serious damage to your
- >>serial port's hardware, requiring a repair technician in order to set it
- >>right.
-
- >On mine, I've got a MIDI port, which has a button to switch between
- >MIDI and RS-232 output.
-
- SLIGHTLY different mode of operation -- the chances of you slipping and
- hitting a "hot" contact to the system ground is nil in this case.
- Switching is OK, but only if you use a break-before-make switcher (which
- it appears you have).
-
- >ought to be true for any switching box. IMHO, it was a bad mistake
- >for them not to put line buffers on those ports, rather than running
- >them directly to expensive VLSI (but ATARI made the same mistake)
-
- Won't get much argument from me on that part :-)
-
-
-