Re: Static RAM GS RAM Card

["Bryan Parkoff" <nospam@nospam.com>]

"Oracle" <oraclemaster@inwind.it> wrote in message 
1183617292.096669.101960@n60g2000hse.googlegroups.com">news:1183617292.096669.101960@n60g2000hse.googlegroups.com...
> On 4 Lug, 17:28, "Bryan Parkoff" <nos...@nospam.com> wrote:
>> "William Garber" <willy4...@garberstreet.com> wrote in message
>>
>> DaCdnRPQdYVPohfbnZ2dnUVZ_t-mnZ2d@comcast.com">news:DaCdnRPQdYVPohfbnZ2dnUVZ_t-mnZ2d@comcast.com...
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>> > "Dave Schlicher" <awj...@comcastdelete.net> wrote in message
>> >awjdfs-F42D13.21092702072007@comcast.dca.giganews.com">news:awjdfs-F42D13.21092702072007@comcast.dca.giganews.com...
>> > : I'm new to this list. Please excuse me if this topic has been raised
>> > : recently.
>> > :
>> > : I have a ROM-01 GS with 512K of RAM. I've been looking for a larger 
>> > RAM
>> > : card because even if fully populated, my existing RAM card would be 
>> > less
>> > : than the 2MB recommended for System 6.
>> > :
>> > : It seems to me that static RAM could be used to build midrange 
>> > (2-4MB)
>> > : RAM cards, certainly for less than some of the cards on eBay. Speeds 
>> > for
>> > : 4MB (512K x 8) and 16M (2M x 8) are fast enough (and the GS clock 
>> > slow
>> > : enough) that one could use the DRAM control signals provided by the 
>> > GS
>> > : to latch the address lines and still have enough time to read and 
>> > write.
>> > :
>> > : One downside is that these devices are only available in surface 
>> > mount
>> > : packages (which I *hate* to solder). OTOH, there are sockets 
>> > available
>> > : so I wouldn't melt the chip.
>> > :
>> > : Any reaction?
>>
>> > Only a couple things, one being that you have to use
>> > dynamic ram, not static ram in a IIgs, and two, if you
>> > can hold your horses a little longer, there will be a
>> > 4 MB card available as soon as I get my new one revised.
>>
>> William,
>>
>>     Why not CV-RAM card?  CV-RAM card has 8 MB.  I own two original 
>> CV-RAM
>> cards.  I am testing clone CV-RAM card.  It will be available as soon as
>> possible.
>>
>> Bryan Parkoff- Nascondi testo tra virgolette -
>>
>
> It works with Rom-01GS?

    Yes, clone CV-RAM card work on both Apple IIgs ROM 01 and ROM 03.  All 
the tests are successful, but I have one more test to go.

Bryan Parkoff