RE: Commodore vic 20 poweroff

2022-03-16 Thread Jim MacKenzie via cctech



-Original Message-
> On Wed, 16 Mar 2022, Diedrich, Bryce via cctech wrote:
>> Just got a Commodore Vic-20. What is the safest way to power it off 
>> when I am done using it?

In all seriousness, in the 8-bit days I always had everything on a power bar
- computer, floppy drive(s) (if applicable), monitor, printer.  I'd turn
everything on and off with the power bar switch.  I did the same on my
Amiga, too.

I'd leave peripherals I didn't always use, like the printer, turned off with
their own power switch much of the time.

This keeps the AC power off the supplies, saving a little electricity and
protecting the devices against some surges, and saves wear and tear on the
power switches.  Power bars are cheap and easy enough to replace if needed.
And it's convenient.

Jim



Re: Commodore vic 20 poweroff

2022-03-16 Thread Chris Zach via cctech

Turn it off.


Hm. I think you have to properly sync the RAM to tape before you do that



g.



Re: Commodore vic 20 poweroff

2022-03-16 Thread Tapley, Mark B. via cctech
> On Mar 16, 2022, at 2:58 PM, Fred Cisin via cctech  
> wrote:
> 
> [EXTERNAL EMAIL]
> 
>> On Wed, 16 Mar 2022, Diedrich, Bryce via cctech wrote:
>>> Just got a Commodore Vic-20. What is the safest way to power it off when I 
>>> am done using it?
> 
> On Wed, 16 Mar 2022, geneb via cctech wrote:
>> Turn it off.
> 
> Then disconnect the power cord from the wall.
> Clean the machine
> Place it in a sealed container with vaccum or inert gas
> 
> Optional:  (if you are "done using it")
> Post it on eBay as "R@RE"
> or
> place in a vault
> or
> drop it off at the recycling center
> 

:-) 

I’m somewhat curious here, too. 

I *think* that as long as any file-write operations have completed (ie 
the tape isn’t still turning) there’s no risk of long-term data corruption - 
that is, there’s no open files as a modern hard-disk or SSD might have that 
need to be closed out. Of course, anything in RAM not written to tape (or 
floppy) would be lost, but maybe that goes without saying.

But the question still has merit. Some power supplies electrically 
sequence voltages relying on the 120V to still be present even though the 
switch is “OFF”, so powering down by pulling the plug out of the wall is a 
different (and possibly more stressful) operation that flipping the machine’s 
switch “OFF”. My DEC Rainbow, for example, has a 2PST switch that powers both 
the electronic power supply (one pole) and the cooling fan (the other pole) and 
obviously it’s not brilliant to turn off the fan while the electronics are 
still running, but in that case the “sequencing” works the same whether you 
throw the 2PST switch or pull the plug out of the wall.

I suspect none of this applies to the VIC-20 - the power switch just 
disconnects the 120VAC from the wall in the same way that pulling the wall plug 
out of its socket (or flipping the switch on a power-strip) would do - but I 
don’t know this at all. Is that the case?

I think the answer is different for almost any computer, so it’s pretty 
tough to answer generically, but it would be kind of interesting to explore all 
of the variations on this. 
- Mark





Re: Commodore vic 20 poweroff

2022-03-16 Thread Chuck Guzis via cctech
On 3/16/22 13:37, Will Cooke via cctech wrote:

If the question is being asked by a person of a certain vintage, I can
understand the "why" of it.  Gone are the days when you simply switched
off the AC power when you were finished.
Nowadays, everything from cell phones to Smart TVs go through a shutdown
sequence.  (My TV keeps playing the last ad before it goes silent).
I remember, during the 1970s, when we were rolling out our microcomputer
business software, it took a lot of reminding the operators that you
simply didn't toggle the power switch when you were done.
I'd suggested a "soft power" switch, but was overruled by the marketing
people who thought that would only encourage customers to pull the AC plug.

--Chuck




Re: Commodore vic 20 poweroff

2022-03-16 Thread geneb via cctech

On Wed, 16 Mar 2022, Fred Cisin via cctech wrote:


On Wed, 16 Mar 2022, geneb via cctech wrote:

Turn it off.


Then disconnect the power cord from the wall.
Clean the machine
Place it in a sealed container with vaccum or inert gas

Optional:  (if you are "done using it")
Post it on eBay as "R@RE"


Partial instructions.  Must include "LQQK!" if "R@RE" or "R@R3" are used.

g.

--
Proud owner of F-15C 80-0007
http://www.f15sim.com - The only one of its kind.
http://www.diy-cockpits.org/coll - Go Collimated or Go Home.
Some people collect things for a hobby.  Geeks collect hobbies.

ScarletDME - The red hot Data Management Environment
A Multi-Value database for the masses, not the classes.
http://scarlet.deltasoft.com - Get it _today_!


Re: Commodore vic 20 poweroff

2022-03-16 Thread Will Cooke via cctech



> On 03/16/2022 2:58 PM Fred Cisin via cctech  wrote:
> 
> 
> > On Wed, 16 Mar 2022, Diedrich, Bryce via cctech wrote:
> > > Just got a Commodore Vic-20. What is the safest way to power it off when I
> > > am done using it?
> On Wed, 16 Mar 2022, geneb via cctech wrote:
> > Turn it off.
> Then disconnect the power cord from the wall.
> Clean the machine
> Place it in a sealed container with vaccum or inert gas
> 
> Optional: (if you are "done using it")
> Post it on eBay as "R@RE"
> or
> place in a vault
> or
> drop it off at the recycling center

But if you aren't completely done using it, you will likely turn it on again 
which is a more dangerous activity.  VIC power supplies have a reputation of 
dying and taking the computer out with them.  Many people have replaced the 
power supply on their VIC.  The Denial wiki and forum:
http://sleepingelephant.com/denial/wiki/index.php/VIC-20
is a good source of power supply options.

You can also see what I did:
http://wrcooke.net/classiccomputer/vicpower/vicpower.html

If you really ARE done using it, you can mail it to me :-)

Will


Re: Commodore vic 20 poweroff

2022-03-16 Thread Fred Cisin via cctech

On Wed, 16 Mar 2022, Diedrich, Bryce via cctech wrote:
Just got a Commodore Vic-20. What is the safest way to power it off when I 
am done using it?


On Wed, 16 Mar 2022, geneb via cctech wrote:

Turn it off.


Then disconnect the power cord from the wall.
Clean the machine
Place it in a sealed container with vaccum or inert gas

Optional:  (if you are "done using it")
Post it on eBay as "R@RE"
or
place in a vault
or
drop it off at the recycling center



Re: Commodore vic 20 poweroff

2022-03-16 Thread geneb via cctech

On Wed, 16 Mar 2022, Diedrich, Bryce via cctech wrote:


Just got a Commodore Vic-20. What is the safest way to power it off when I am 
done using it?



Turn it off.

g.

--
Proud owner of F-15C 80-0007
http://www.f15sim.com - The only one of its kind.
http://www.diy-cockpits.org/coll - Go Collimated or Go Home.
Some people collect things for a hobby.  Geeks collect hobbies.

ScarletDME - The red hot Data Management Environment
A Multi-Value database for the masses, not the classes.
http://scarlet.deltasoft.com - Get it _today_!