Date: Sat, 5 May 2001 15:54:04 -0700 From: baz <bsimpson@mediaone.net> To: Mike Jeays <jeays@statcan.ca> Cc: freebsd-questions@freebsd.org Subject: Re[2]: CD-RW IDE - CPU requirements Message-ID: <15326921681.20010505155404@mediaone.net> In-Reply-To: <3AF357E3.A02B799@statcan.ca> References: <3A66CAF3B5D3D4119AFD00508BC286ADE22F0B@msxa4.statcan.ca> <20010504170735.A8492@home.com> <3AF357E3.A02B799@statcan.ca>
next in thread | previous in thread | raw e-mail | index | archive | help
Hello Mike, Friday, May 04, 2001, 6:31:15 PM, you wrote: MJ> Thanks for the info. I was surprised by a recent evaluation of CD-RW MJ> devices in a local magazine, that specified different levels of MJ> Pentium 2 and 3 for various drives as the minimum acceptable - under MJ> Windows, of course. I am quite happy to make sure the machine is MJ> not doing anything else while I write a CD. i tried a new sony RW 8*4*4 under Win2K. in the RW's PIO4 mode the cpu sytem 'overhead' was 40% of a P3 550. in the DMA2 xfer mode 'overhead' dropped to 4%; however the handshaking proved unreliable even thouh the RW was the only device on the Secondary IDE channel. So, if your RW device can negotiate DMA cleanly, the a P100 would have no problem avoiding buffer under-runs. MJ> Graywane wrote: >> >> On Fri, May 04, 2001 at 12:01:48PM -0400, Mike.Jeays@statcan.ca wrote: >> > Has anyone succeeded in running an IDE CD-RW device on a Pentium 120? I >> > am not sure if the CPU speed is adequate to keep up the required data >> > transfer rate. >> >> You can saturate a PCI bus with an old 386 much less a Pentium 120. Any CDRW >> you get will be incredibly slow compared to the CPU. Just make sure you have >> enough RAM so that you don't swap heavily while writing your CD's. Free >> memory and not running programs that read/write the other drives is far more >> important than processor speed. >> >> As for what drive to get, I have a PLEXTOR CD-RW PX-W1210A (32/12/10) and am >> very happy with it. >> >> Michael >> >> -- >> Note: See http://www.members.home.net/graywane/ for PGP information. >> >> ------------------------------------------------------------------------ >> Part 1.2Type: application/pgp-signature -- Best regards, baz mailto:bsimpson@mediaone.net To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?15326921681.20010505155404>