Date: Tue, 23 May 2006 21:23:01 +0930 From: "Daniel O'Connor" <doconnor@gsoft.com.au> To: Peter Jeremy <peterjeremy@optushome.com.au> Cc: freebsd-stable@freebsd.org Subject: Re: Odd RS232 problem Message-ID: <200605232123.03222.doconnor@gsoft.com.au> In-Reply-To: <200605232118.59080.doconnor@gsoft.com.au> References: <200605131413.17020.doconnor@gsoft.com.au> <20060523101550.GC769@turion.vk2pj.dyndns.org> <200605232118.59080.doconnor@gsoft.com.au>
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--nextPart1991341.0hIPZGgIT0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Content-Disposition: inline On Tuesday 23 May 2006 21:18, Daniel O'Connor wrote: > On Tuesday 23 May 2006 19:45, Peter Jeremy wrote: > > On Tue, 2006-May-23 19:23:20 +0930, Daniel O'Connor wrote: > > >I would hope that 9600 baud wouldn't be *too* fast for a 2GHz CPU :( > > > > That depends on what else is sharing the IRQ. PLIP can give you > > 10's of msec of latency. PIO disks can also destroy latency as > > can NE2000-style NICs. > > Hmm, well I just realised I don't actually know what it IS sharing an IRQ > with as puc/sio don't say :( Duh I am blind.. It shares an IRQ with the RAID controller.. atapci0: <Promise PDC20378 SATA150 controller> port 0x7800-0x783f,0x7400-0x= 740f,0x7000-0x707f mem 0xfb300000-0xfb300fff,0xfb200000-0xfb21ffff irq 18 a= t device 8.0 on pci0 puc0: <Dolphin Peripherals 4036> port 0x9400-0x941f irq 18 at device 13.0 o= n pci0 The disks are SATA150 though, no PIO here! =2D-=20 Daniel O'Connor software and network engineer for Genesis Software - http://www.gsoft.com.au "The nice thing about standards is that there are so many of them to choose from." -- Andrew Tanenbaum GPG Fingerprint - 5596 B766 97C0 0E94 4347 295E E593 DC20 7B3F CE8C --nextPart1991341.0hIPZGgIT0 Content-Type: application/pgp-signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.2.2 (FreeBSD) iD8DBQBEcvef5ZPcIHs/zowRAkFQAJ4tPK6jbnpDrEbiIiLZkj8C9Gm/yACdFLv8 sR2Q4Hx8tRV+U4ndI955Zwg= =JPqB -----END PGP SIGNATURE----- --nextPart1991341.0hIPZGgIT0--
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