Adaptec 62022 sf(4) on a Miata 433a

[Bernd Walter]

On Wed, Jul 23, 2003 at 06:05:20PM +0200, Olaf Hoyer wrote:
> On Wed, 23 Jul 2003, Bernd Walter wrote:
> > On Wed, Jul 23, 2003 at 05:42:49PM +0200, Olaf Hoyer wrote:
> > > The box has currently 512MB of RAM, but will be stocked up to 1GB soon,
> > > which according to docs is the limit with FreeBSD due to dma limitation.
> >
> > My impression was that Miatas are also limited to 1G by hardware?
> > Does anyone know if Miatas can be fit with >1G?
> 
> In my Miata there are 6 slots for ECC SDRAM, currently two of them are
> equipped with 256MB ECC registered Sticks from HP.
> 
> Perhaps I have the opportunity to check out next week how the machine
> behaves with 1,5GB, although the hardware compatibility page states that
> 1,5 GB are possible, but due to OS limits 1Gb limit.

It will not work - the current OS limit is 1G for shure.

> Although the hardware allows you to install up to 1.5Gbyte of memory,
> FreeBSD is limited to 1Gbyte because the DMA code does not correctly
> handle memory above 1Gbyte.

I know the OS limits to 1G as well as the chipset limits to 8G.
All I needed to know was the boards limits.
So FreeBSD currently limits Miatas more then hardware.

-- 
B.Walter                   BWCT                http://www.bwct.de
ticso at bwct.de                                  info at bwct.de