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View Full Version : A603 ram expansion for Amiga 600 in stock at Red's Retro!


redrumloa
05-02-2009, 06:19 PM
The A603 RAM Expansion (plus more!) for the Amiga 600 is now in stock at both our USA based web shop (http://www.redsretro.com/index.php?main_page=product_info&cPath=1&products_id=1) and eBay store (http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=120415025508)! Orders placed ship within 24 hours!

Enjoy! :-D

amigadave
05-02-2009, 08:54 PM
Nice that you have them in stock Red, but Ouch! I am sure it is well worth the price, specially with the ECS Indivision coming out real soon, but I already have a A601 RAM expansion with RTC in my A600, so it is hard to justify pulling it and trying to sell it so I can buy the A603 when I don't know if I am going to keep my A600.

It is sooooooo hard trying to decide which Amigas to keep and which to let go when trying to thin out a collection to just 3, or 5, or 7 Amigas. LOL

(there is a good chance you will see an order for one from me within a week)

alexh
05-03-2009, 12:51 AM
The price is a good one for those with vanilla A600's.

meega
05-03-2009, 05:43 AM
Red's Retro Computing wrote:
internatal floppy drive
:-o

alexh wrote:
The price is a good one for those with vanilla A600's.
Seconded.

countzero
05-03-2009, 05:49 AM
will order as soon as indiv ECS becomes available ... and the best thing is, I won't have to remove my floppy ... hehehe :angry:

polardark
05-03-2009, 07:22 AM
Very nice.

What's this about having to remove the floppy drive? Does it mean that i have to permanently remove the a600 drive to fit an indivision ECS?

It's a bit of an unexpected turn of events if this is the case.

redrumloa
05-03-2009, 07:35 AM
polardark wrote:
Very nice.

What's this about having to remove the floppy drive? Does it mean that i have to permanently remove the a600 drive to fit an indivision ECS?

It's a bit of an unexpected turn of events if this is the case.

That is correct, the Indivision ECS would not fit otherwise. You can always use an external floppy drive.

alexh
05-03-2009, 09:17 AM
redrumloa wrote:
You can always use an external floppy drive.
AFAIR not as DF0: without modification to the motherboard. (Hence pretty useless for most disk based games)

redrumloa
05-03-2009, 09:55 AM
alexh wrote:
AFAIR not as DF0: without modification to the motherboard. (Hence pretty useless for most disk based games)

At the very least the first external floppy drive will become the default boot floppy, so most disk based games will work. How to make the first external floppy "DF0"? Good question, I'll look into it.

countzero
05-03-2009, 10:00 AM
on A500's it's a simple hack involving swapping two legs of a CIA.

redrumloa
05-04-2009, 01:44 PM
For the value seekers HERE IS AN A603 FOR AUCTION (http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=400047808946), starting bid $0.01 and no reserve! :-D

amigadave
05-04-2009, 03:38 PM
redrumloa wrote:

alexh wrote:
AFAIR not as DF0: without modification to the motherboard. (Hence pretty useless for most disk based games)

At the very least the first external floppy drive will become the default boot floppy, so most disk based games will work. How to make the first external floppy "DF0"? Good question, I'll look into it.

There was a device called a "ShuffleBoard", made by DKB I think that switched the first external floppy to DF0: so a hard drive could be placed in the space of the floppy drive before 2.5" drives were available, or cost effective. I used the ShuffleBoard in my first A1000 with an AdIDE and a 105mb hdd.

Switching the legs on one of the CIA chips sounds like an easier fix than trying to find a ShuffleBoard these days.

amigadave
05-04-2009, 03:40 PM
countzero wrote:
on A500's it's a simple hack involving swapping two legs of a CIA.

Can you provide more info on how this is done, or a link to a page or file that shows all the steps and directions to do it?

redrumloa
05-04-2009, 09:03 PM
amigadave wrote:


Switching the legs on one of the CIA chips sounds like an easier fix than trying to find a ShuffleBoard these days.

Actually I may have misspoke slightly. I tested on several A500 revision mbs (no A600s here) and certain revisions will automatically boot to the first external drive if there is no internal drive, but others do not. I do not know how the A600 will react. There are a couple ways to attack this.

To completely disable all floppy drives and only boot from the HD, put a jumper over pins 1 and 2 of the internal floppy connector. The better solution is to connect the DC signal with the Sel0 signal, this will only give Diskchange for df0:, so external drives will still work. It is a terminator of sort, I will offer these soon. Still not perfect, but other solutions may become available.

The problem with switching CIA legs on an A600 is they are not socketed.