Epson PF10 problems

Roy J. Tellason rtellason at blazenet.net
Mon Dec 26 14:47:38 CST 2005


On Saturday 24 December 2005 05:39 pm, Tony Duell wrote:
> > > In my PX4 are 2 EPROMs. One is the standard utilities ROM (PIP, STAT,
> > > CONFIG, etc). The other seems to be the drivers for this RAMdisk. It is
> > > in one of the carriers, but it's a hand-labelled ROM and looks to have
> > > been crimped into the carrier by hand, not with one of the press tools.
> > > Maybe a prototype or a low-volume product.
> >
> > The roms in mine seem to be hand-labeled too,  I think there are three
>
> Are you talking about a PX4 or a PX8?

A PX8.

> > There's a "wedge" on the machine,  which I think has its own

> The wedge is normally extra RAM which appears as a RAMdisk. On the PX8,
> there was also a modem (300 buard), or a combined modem/RAMdisk unit. On
> the PX4, I think the modem was a cartridge.

Yes,  there's that modem,  and I forget what else.  I'd grab it and have a 
look but don't recall just where it is at the moment.

> > battery besides the main one and I think there's also one other one
> > inside there someplace,  it's been a *long* time since i peeked in there.
> >  I'd
>
> The RAMdisk units do contain their own battery.
>
> The machine itself contains 2 batteries. In the PX8, there's the main
> battery pack (4 sub-C NiCds) and a separate 4.8V backup NiCd soldered to
> the PCB.

I wonder if that's the one that's giving me trouble?

> Considering I am not likely to use these machines every day, I find
> recharageable battereis to be a pain. They are going to self-discharge in
> storage and need charging before I can use it, they are going to fail
> long before they should due to neglect. I've been running the PX4 on
> alkaline AA primary cells anf the PX8 off my bench supply. Yes, I have to
> do a hard reser every time and reset the configuration, but...

I've been trying to avoid that,  but may give it a shot.

-- 
Member of the toughest, meanest, deadliest, most unrelenting -- and
ablest -- form of life in this section of space,  a critter that can
be killed but can't be tamed.  --Robert A. Heinlein, "The Puppet Masters"
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Information is more dangerous than cannon to a society ruled by lies. --James 
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