Re: Apple II+ problem

["Bill Garber" <willy46pa@comcast.net>]

"Paul Schlyter" <pausch@saaf.se> wrote in message
news:daob07$2olv$1@merope.saaf.se...
: In article <42cf874d$1_3@newsfeed.slurp.net>,
: Ryan Smith <nospam@nospam.nospam> wrote:
:
: > I've just bought a complete Apple II+ system (48K, language card,
: > four Disk II drives, Disk II controller card, Epson MX-80 printer with
: > interface card, Zenith monochrome monitor, lots of disks) at a yard
: > sale, all for $6.
: >
: > When powered on, the machine only displays a screen full of this:
: >
: > ))VV))VV))VV))VV))VV))VV))VV))VV))VV))VV
: >
: > This repeats to the bottom of the screen. The V's are inverse (black
: > on green) and the parentheses are normal (green on black). The
: > keyboard does nothing. The drives do not spin.
: >
: > I've already tried re-seating all of the socketed ICs on the main board.
: > I've tried booting with all of the accessory cards removed, and with the
: > keyboard disconnected. Nothing works.
: >
: > Any ideas? I have no experience with the Apple II, other than playing
: > math games on one in third grade. I just bought it because it was cheap
: > and I thought it might be fun to play with. I always wanted an Apple
when
: > I was a kid, but all I got was a TI-99/4A :(
:
: Obviously you have some kind of motherboard problem.  Perhaps some of
: the chips of the motherboard is broken?
:
: One thing you could try os to remove all RAM chips except the lowest
: row.  If your Apple II still doesn't work, try to exchange the
: remaining RAM chips on the motherboard with RAM chips you've removed
: - that row contains the addresses of the 6502 page zero and stack,
: the video memory, etc, and if it's not present the Apple II won't
: work at all.
:
: If that doesn't help, bad RAM chips is probably not the problem.
: And I suppose you have no spare chips -- well, the best you could to
: is to look for another Apple II.  This time you only need the
: computer itself - no peripherals.  If that computer works, use it
: instead.  If neither of them works, try to exchange chips to see if you
: can get at least one of them to work.
:
: Another thing you could do is to measure the voltage from the power
: supply.  It's supposed to deliver +12V, -12V, +5V and -5V.  If any of
: these voltages is missing, then that's a most likely explanation of
: the failure of your Apple II.  If so, the power supply needs to be
: replaced.
:
: Good luck!

There/were II+ motherboards for sale on eBay. I bought one and it
sits here idle as I have no case to put it in. Check to see if they
still have them listed on eBay, and if not, I'll sell you this one.

Warning!!!!!!!  You're $6 has bought you into something very,
very addictive, and possibly very expensive down the line. Not
that I have any regrets, but just to let you know.  :o)  BTW,
my first Apple II was FREE!!!!!!!!!  "** DUMPSTER DIVE **"  :o)

Apple II Forever, Apple II Together
Bill @ GarberStreet Enterprizez
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