Date: Tue, 17 Jun 2003 10:01:31 -0700 From: Rich Morin <rdm@cfcl.com> To: freebsd-hackers@freebsd.org Subject: prospects for DMA support for SiS962(L) Southbridge? Message-ID: <p05200f20bb14f7371af0@[192.168.254.205]>
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I recently upgraded my motherboard and CPU, as:
478 pin Celeron; 2.1 GHz
512 MB DDR DIMM (2 ea.)
SiS962(L) Southbridge
I then found that I couldn't boot the (FreeBSD 4.7) system, getting:
ad0: READ command timeout tag=0 serv=0 resetting
ata0: resetting devices
After a bunch of Googling and some discussions on freebsd-questions,
I decided to change line 90 of /usr/src/sys/dev/ataata-disk.c to:
static int ata_dma = 0;
This works, but I suspect that it is slowing down my disk I/O quite a
bit. So, I would like to know the prospects for this controller being
supported in FreeBSD any time soon.
-r
P.S. I have been told that I should be able to boot from a PCI-based
EIDE card, but I am not familiar with the (AMI)BIOS. If you can
supply me with specific instructions, I would be MOST grateful.
--
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