Path: utzoo!utgpu!watserv1!ria!uwovax.uwo.ca!4225_5105 From: 4225_5105@uwovax.uwo.ca Newsgroups: comp.sys.amiga.hardware Subject: Re: 256K simms on an Amiga? Message-ID: <1991Jan25.221322.8401@uwovax.uwo.ca> Date: 26 Jan 91 03:13:21 GMT References: <19620010@hp-lsd.COS.HP.COM> Lines: 15 In article <19620010@hp-lsd.COS.HP.COM>, davem@hp-lsd.COS.HP.COM (Dave K. Martin) writes: > The 8-up board from Microbotics will use 256k simms but only if you have the > early 'A' model board. The later 'B' model (revision?) board accepts only dip > memory chips. The other thing to look for is the type of simm modules that > you have. By far, the most common are the 256x9 simm modules where there > are 8 data chips and 1 chip used for parity checking. This is the type used > in IBMs and their thousands of clones. This type cannot be used by the 8-up > board (or any other Amiga expansion device I believe) as the Amiga does not > use the parity checking. The 8-up boards use 256x8 or 1mx8 simm boards like Xetec Ram boards will take either the 8 or 9 chip SIMM's, in 256k and 1M format. john