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- Newsgroups: comp.os.vms
- Path: sparky!uunet!zaphod.mps.ohio-state.edu!swrinde!cs.utexas.edu!csc.ti.com!tilde.csc.ti.com!mksol!usenet
- From: pyron@skndiv.dseg.ti.com (Dillon Pyron)
- Subject: Re: What is XPDRIVER for?
- Message-ID: <1992Dec30.190236.7273@mksol.dseg.ti.com>
- Lines: 44
- Sender: usenet@mksol.dseg.ti.com (Usenet News)
- Nntp-Posting-Host: skndiv.dseg.ti.com
- Reply-To: pyron@skndiv.dseg.ti.com
- Organization: TI/DSEG VAX Support
- References: <1992Dec29.143542.4184@arizona.edu>,<1992Dec29.185622.1038@cmkrnl.com> <1hs7k7INNnqs@gap.caltech.edu>
- Date: Wed, 30 Dec 1992 19:02:36 GMT
-
-
- In article <1hs7k7INNnqs@gap.caltech.edu>, carl@SOL1.GPS.CALTECH.EDU (Carl J Lydick) writes:
- >In article <1992Dec29.185622.1038@cmkrnl.com>, jeh@cmkrnl.com writes:
- >>You can see what's on the Q-bus by
- >>
- >> $ run sys$system:sysgen
- >> SYSGEN> SHOW/UNIBUS
- >> SYSGEN> SHOW/CONFIG
- >
- >WHOA! WHOA! TIME-OUT! WAIT A MINUTE! The SHOW/UNIBUS command is
- >*DANGEROUS*. It talks to all the devices on the bus in a way that's
- >uncoordinated with anything else VMS is doing with them. To quote from the
- >online help for SYSGEN:
- >
- >SHOW
- >
- > /UNIBUS
- >
- > /UNIBUS
- >
- > Tests every word in UNIBUS I/O space and returns a list of addresses
- > that respond and the value that was read. Note that this command is
- > useful for debugging UNIBUS autoconfigure problems, but it is not
- > -------------
- > recommended for use on a running system. All unibus adapters are the
- > ----------------------------------------
- > default, /ADAPTER=adapter-spec can be specified. Requires CMKRNL
- > privilege.
- >
- >(emphasis mine). Using this command can crash your system. Wait 'til you're
- >ready to reboot before using it, if at all possible.
-
- The problem here is that I've seen so many Field Circus guys do this that even
- I think that "Well, maybe it's safe nowadays".
-
- Kids, don't try this at home, and don't let the "pros" try it either :-)
- --
- Dillon Pyron | The opinions expressed are those of the
- TI/DSEG Lewisville VAX Support | sender unless otherwise stated.
- (214)462-3556 (when I'm here) |
- (214)492-4656 (when I'm home) |"Pacts with the devil are not legally
- pyron@skndiv.dseg.ti.com |binding!"
- PADI DM-54909 |-Friar Tuck _Robin Hood:The Hooded Man_
-
-