On Tue, 5 Nov 2002, Terry Lambert wrote:
As far as PCI goes (or anything they publish, for that matter), the
MindShare books are very, very good. But for the particular question
of how much physical address space is eaten, you really have to go to
the chipset spec. sheets to get the right
Nate Lawson wrote:
On Tue, 5 Nov 2002, Terry Lambert wrote:
As far as PCI goes (or anything they publish, for that matter), the
MindShare books are very, very good. But for the particular question
of how much physical address space is eaten, you really have to go to
the chipset spec.
Matt wrote:
Anyone knows the max physical mem that can be used with FreeBSD4.3?
[ ... ]
any chance going more than 4G?
Sure, if you want to install it to warm things up.
No, if you want to access it; access is limited to 4G, because
that's 32 bits of address space, and your machine is a 32
On Tue, 5 Nov 2002, Terry Lambert wrote:
Matt wrote:
Anyone knows the max physical mem that can be used with FreeBSD4.3?
[ ... ]
any chance going more than 4G?
Sure, if you want to install it to warm things up.
No, if you want to access it; access is limited to 4G, because
that's
Julian Elischer wrote:
The hardware changes to do 32 bit physical addresses
include a redefinition of how page tables and page directories are layed
out and to be able to use it we'd have to define
and turn on code for that differnt mode. iIt has not yet been written.
It wouldn't be hard to
Richard Sharpe wrote:
Well, the P4 does have an address extension that allows addressing of up
to 64GB, EPA or something like that.
This is useless to discuss in the context of 4.3, or even 4.x,
unless Paul Saab is doing his work in 4.7, and it makes it
into 4.8. Given that we are pretty much
PS:
Richard Sharpe wrote:
Well, the P4 does have an address extension that allows addressing of up
to 64GB, EPA or something like that.
It has segments, too. We don't use those, either. 8-).
-- Terry
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On Tue, 5 Nov 2002, Richard Sharpe wrote:
Well, we have 4GB in a 4.6.2 system, and I think that we ran 4.3 on those
systems for a while.
However, you lose anywhere between 128M and 512M because of the PCI
address space.
what PCI address space ? could someone explain about this loss ?
Dinesh Nair wrote:
On Tue, 5 Nov 2002, Richard Sharpe wrote:
Well, we have 4GB in a 4.6.2 system, and I think that we ran 4.3 on those
systems for a while.
However, you lose anywhere between 128M and 512M because of the PCI
address space.
what PCI address space ? could someone
In message: [EMAIL PROTECTED]
Terry Lambert [EMAIL PROTECTED] writes:
: The CDROM and a full set of the specifications will run you US$1500,
: plus US$15 shipping in the US, or US$40 shipping, international.
:
: The price goes from $1500 to $75, if you can order through a company
:
M. Warner Losh wrote:
In message: [EMAIL PROTECTED]
Terry Lambert [EMAIL PROTECTED] writes:
: The CDROM and a full set of the specifications will run you US$1500,
: plus US$15 shipping in the US, or US$40 shipping, international.
:
: The price goes from $1500 to $75, if you can
Anyone knows the max physical mem that can be used with FreeBSD4.3?
Thanks in advance
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On Mon, 4 Nov 2002, Matt wrote:
Anyone knows the max physical mem that can be used with FreeBSD4.3?
Well, we have 4GB in a 4.6.2 system, and I think that we ran 4.3 on those
systems for a while.
However, you lose anywhere between 128M and 512M because of the PCI
address space.
Regards
Message -
From: Richard Sharpe [EMAIL PROTECTED]
To: Matt [EMAIL PROTECTED]
Cc: [EMAIL PROTECTED]
Sent: Monday, November 04, 2002 10:50 PM
Subject: Re: max phy mem known working with FreeBSD 4.x
On Mon, 4 Nov 2002, Matt wrote:
Anyone knows the max physical mem that can be used
Matt wrote:
Anyone knows the max physical mem that can be used with FreeBSD4.3?
2G on Alpha.
4G on Intel, if you tune your kernel and modify your KVA size to 3G.
-- Terry
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On Mon, 4 Nov 2002, Matt wrote:
any chance going more than 4G?
Not yet. (on x86)
The hardware changes to do 32 bit physical addresses
include a redefinition of how page tables and page directories are layed
out and to be able to use it we'd have to define
and turn on code for that differnt
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