Re: max phy mem known working with FreeBSD 4.x

2002-11-06 Thread Terry Lambert
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 s

Re: max phy mem known working with FreeBSD 4.x

2002-11-06 Thread Nate Lawson
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

Re: max phy mem known working with FreeBSD 4.x

2002-11-05 Thread Terry Lambert
"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, i

Re: max phy mem known working with FreeBSD 4.x

2002-11-05 Thread M. Warner Losh
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 :

Re: max phy mem known working with FreeBSD 4.x

2002-11-05 Thread Terry Lambert
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 so

Re: max phy mem known working with FreeBSD 4.x

2002-11-05 Thread Dinesh Nair
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 ? c

Re: max phy mem known working with FreeBSD 4.x

2002-11-05 Thread Terry Lambert
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 To Unsubscribe: send mail to [EMAIL PROTECTED] with "unsubscribe freebsd-hackers" in the

Re: max phy mem known working with FreeBSD 4.x

2002-11-05 Thread Terry Lambert
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

Re: max phy mem known working with FreeBSD 4.x

2002-11-05 Thread Terry Lambert
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 har

Re: max phy mem known working with FreeBSD 4.x

2002-11-05 Thread Richard Sharpe
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, becau

Re: max phy mem known working with FreeBSD 4.x

2002-11-05 Thread Terry Lambert
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

Re: max phy mem known working with FreeBSD 4.x

2002-11-04 Thread Julian Elischer
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 differn

Re: max phy mem known working with FreeBSD 4.x

2002-11-04 Thread Terry Lambert
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 To Unsubscribe: send mail to [EMAIL PROTECTED] with "unsubscribe freebsd-hackers" in the body of the message

Re: max phy mem known working with FreeBSD 4.x

2002-11-04 Thread Matt
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: > >

Re: max phy mem known working with FreeBSD 4.x

2002-11-04 Thread Richard Sharpe
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

max phy mem known working with FreeBSD 4.x

2002-11-04 Thread Matt
Anyone knows the max physical mem that can be used with FreeBSD4.3? Thanks in advance To Unsubscribe: send mail to [EMAIL PROTECTED] with "unsubscribe freebsd-hackers" in the body of the message