Date: Thu, 18 May 2000 06:18:25 +1000 From: Peter Jeremy <peter.jeremy@alcatel.com.au> To: Jonathan Michaels <jon@welearn.com.au> Cc: freebsd-stable@FreeBSD.org Subject: Re: curious about memory report usingfreebsd v3.3-release Message-ID: <00May18.061828est.115207@border.alcanet.com.au> In-Reply-To: <20000513201513.A39032@phoenix.welearn.com.au>; from jon@welearn.com.au on Sat, May 13, 2000 at 08:15:51PM %2B1000 References: <20000513201513.A39032@phoenix.welearn.com.au>
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On Sat, May 13, 2000 at 08:15:51PM +1000, Jonathan Michaels wrote: >my question is why does the freebsd installation bootstrap >diskette report my (home built -- from quality, new parts on a >supermicro motherboard p6sne) pentium pro's systm memory as >being only 639 kbyte .. shouldn't it be 640 kbyte ?? PC BIOSes normally reserve 1KB of low-RAM for their own purposes. FreeBSD 2.x ignored this and (AFAIK) just used all the memory. FreeBSD 3.x and later leaves the BIOS RAM alone so that the kernel can safely use BIOS functions - primarily in the loader, but also to determine total RAM size and for APM. Peter To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-stable" in the body of the message
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