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As known to us all. 2GB RAM is the maximum level of RAM AmigaOS4 actually supports.

Seeing that so many new Amiga programs are more power and memory hungry, it easily becomes a limitation in AmigaOS4 when working on many heavy operations at the same time.


There is another way to improve ...

An extra 1GB of ram is a lot of memory and can make a difference.

reading non amiga forums some user(s) are using 2GB + 1GB = 3GB total if more than one memory slot is present.

Not sure if it possible but perhaps if OS4.x can read the SPD on memory module this may help other users avoided memory module that don't work to well with this computer. It will also help all NG amiga(s).

The ability of the OS to identify memory module installed could save new user(s) problems ...

I have just received G.SKILL FS-6400CL5S-2GBSK for my notebook. This type of memory is a little unusual that it has a built-in heat spreader. Module is dated MAY 2014,manufactured only last month.

There are not many DDR2 SODIMM that have heat spreader,its more reserved for DDR3.

The above memory ...

I am not 100% sure of this because I don't own any of this type of computer. I think the problem could be the loading affect on each module. There is also a set-up time,this is why it is recommended to get faster memory module than your bus speed.

There are user(s) that have PPC750 which is capable ...

Perhaps PM to one or more user(s) in link(s) below can solve the problem.

http://www.amigans.net/modules/xforum/v ... 369&order=

I think 1GB with 133Mhz FSB maybe possible. You may need PC150 SDRAM in-order for this to work,but would expected a very small number of 1GB PC133 to work.

It maybe a good idea to know what make/type of memory other user(s) are using.

I will be looking at SDRAM,DDRx performance hopefully in the ...

I suppose you don't want to elaborate.

Here is screenshot for the very last time,ignore ram speed for now as I thing the speed of EDO dram may not be needed. its possible slower EDO memory may work (to be confirmed).

Video bus speed in screenshot is also incorrect. ..ignore.

http://www.amiga ...

In addition to the slow IDE (vs UWSCSI on the CSPPC up to 35 MB/s), the BPPC's fast memory access is not the same as the CSPPC (32-bit vs 64-bit) and despite the high clock rates of the 603e, the platform is not as robust as the 604e.

CPU Pipeline stages Misc
PowerPC 603 4 5 execution units ...