Networking Apple IIc or IIc+
In a message dated 7/10/00 1:09:53 AM Eastern Daylight Time,
ethan_dicks_at_yahoo.com writes:
> --- "Paul R. Santa-Maria" <paulrsm_at_ameritech.net> wrote:
> > ----------
> > > From: Ethan Dicks <ethan_dicks_at_yahoo.com>
> > > To: classiccmp_at_classiccmp.org
> > > Subject: Re: Networking Apple IIc or IIc+
> > > Date: Friday, July 07, 2000 04:52 PM
> > >
> > There were three versions of the Apple IIgs: ROM 00, ROM 01, and ROM 03.
> > ROM 00 and ROM 01 have the same hardware with a different ROM. The ROM
03
> > had different hardware (more memory on the motherboard, for example) and
> > you cannot convert an earlier version to a ROM 03.
>
> Looking around on the motherboard - my IIgs has 128K of "Standard Ram", 64K
> "Sound RAM", 128K "Fast RAM" an Apple-brand memory card 1/4 full of 256Kx1
> chips (256Kb out of 1Mb) and the following stenciled on the ROM -
"342-0077B
> /
> M231001-243P 743100 / (C) Apple 78, 81, 83, 86, 87 / (C) Microsoft 77"
>
> Presumably from your comments, the ROM-03 motherboard has more RAM than _
> that_.
>
> There are two jumpers on the Apple RAM card - J1 and J2; and a jumper on
the
> motherboard under the power supply - W1.
>
> Oh... per our recent discussions here, the IIgs _does_ have a Z8530 SCC
> onboard
>
>
> > A ROM 03 is considered the best if you are going to run GS/OS, the Apple
> > IIgs 16-bit native operating system. I am happy with my ROM 01 since I
> use
> > it like an 8-bit Apple IIe.
>
> But what's the difference between ROM 01 and ROM 02? Is it possible to get
> either an authentic replacement chip or to locate an image file and burn my
> own?
>
> Thanks,
>
> -ethan
>
I remember there being a ROM upgrade for the GS models. Presumably it was
just a chip swap. I have no more info about it though.
DB Young ICQ: 29427634
hurry, hurry, step right up! see the computers you used as a kid!
-> www.nothingtodo.org
Received on Mon Jul 10 2000 - 06:57:10 BST
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