Re: Q: AE RamKeeper

["Christopher G. Mason" <cgm1@my-deja.com>]

Steven Hirsch wrote:
> I picked up an AE RamKeeper on eBay recently and have just gotten around 
> to trying it.  Unfortunately, it does not seem to cooperate very well.  
> I'm using a Rom 3 GS with ZipGSX accelerator (12.5Mhz) and a RamFast Rev 
> D controller in Slot 7.  I have been through, variously, a 4MB Chinook 
> Ram 4000, AE GS-Ram 4MB and an older Apple GS memory card with 1MB.  
> With any/all of these, I hear the boot-up boink, followed by an error 
> message from the RamKeeper firmware about "Bad RK configuration - Error 
> 103".
>
> All of these boards were installed in the "back pocket" adapter.  The 
> slotmover was clearly designed before the Rom3 GS was released and 
> physically will not clear chips on the motherboard.  The AE board can in 
> theory attach to the front of the card, but would require my moving the 
> RamFast from Slot 7. Don't want to get into that unless absolutely 
> required.
>
> The RK is fitted with what looks like a home-blown EPROM marked Rev 1.3 
> in pencil on a piece of masking tape.
>
> What can anyone tell me about the compatibility (or lack thereof) of 
> this unit?  Is newer firmware available?  Is it incompatible with Rom 3 
> GS machines?  Broken?
>
> Steve

There is a chip you have to swap on the card in order for it to work on 
a ROM 3, it is a 74F27 with a few of the pins tied together. My 
RamKeeper came with the chip+instructions, I'll have to dig up the chip 
scans I made for someone years ago who had the same question on the A2 
Delphi forums. FWIW my card came with the 1.6 firmware, on a REV. C board.