Maarten, you are correct! I have looked up the schematics (online at
www.geocities.com/omsx) and counted the number of data lines going to the
RAM chips.
-----Original Message-----
From: Maarten ter Huurne [mailto:[EMAIL PROTECTED]]
Sent: 23 June 2000 12:56
To: [EMAIL PROTECTED]
Subject: Re: Video Ram
On Fri, 23 Jun 2000, JP Grobler wrote:
> I don't know muck about electronicss, but are curious to know why the svi
> 738 has 2x16k Video ram chips if only 16k is available, also the upgrade
> to msx2 sugests 4x64k ram chips, but only 128k is available. I saw the
> same in the schematics for the addram (4m) cartridge, it uses 2x4M Ram
> chips?
Probably these are memory ICs that are only 4 bits wide. So you'll need two
ICs to get memory that is one byte wide.
Bye,
Maarten
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