Vinny Abello wrote:
At 09:49 PM 7/7/2005, you wrote:
Hi,
i`m using freebsd releng_5 and got weird problem with AtA_DMA... I
bought mobo with i865PE chipset and when I allow DMA transfer in BIOS
for my TEAC cd-540E drive, freebsd fails to boot with: ATA_INTERRUPT
was seen but timeout fired out with LBA=0.. I also tried applying a
ATA mkIII with no luck(it tells me that ata_if.h is missing). When I
remove teac from my system, it boots correctly. I tried also in
loader.conf typing hw.ata.atapi_dma=0, but still the same...fails to
boot. I`ve before this mobo with VIA kt333 chipset, and it allows me
to set PIO4 for drive (with no problemo at freebsd boot)
Any ideas or patches?
Just out of curiosity, check to make sure you have the latest firmware
for the Teac drive. I recall encountering problems with a Teac CD-ROM
drive on a new motherboard with a fairly new chipset on the market (this
was a long time ago) until I updated the firmware in the drive. I
couldn't boot any OS off the drive, yet it worked fine on other
motherboards. It's worth a shot. You might have similar problems with
any OS on that motherboard and CD-ROM drive.
Vinny Abello
Network Engineer
Server Management
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Hi,
I`ve my bios upgraded before 3 years to newest version (v3.0A). Maybe
teac knows about it and doesn`t want to solve this kind of issues (no
old drive support :( ). But why is hw.ata.atapi_dma unusable? If I set
it at startup to 0, it means that I don`t want an DMA for atapi
interface... but it`s always enabled. I tried booting SLAX and it goes
well from my cdrom. Windows performs well too. Any ideas?
Jan Sebosik
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