> Mark wrote:
>>>> In my FreeBSD 4.9R server, I use an ARAID99 1000L RAID system.
>>>> However, it only runs at "WDMA2":
>>>> Aug  9 21:08:36 asarian-host /kernel: ad0: 39205MB <ASI ARAID99
>>>> 1000 Rev 2.5> [79656/16/63] at ata0-master WDMA2
>>>> WDMA2 only offers 16 MB/s, whereas ATA133 of course, offers 133
>>>> MB/s. The question is, is there a reason FreeBSD only uses WDMA2
>>>> for this device? (it contains two MAXTOR 40G ATA133 disks,
>>>> connected to an ATA133 IDE port as single master).
>>>> Second question, subsidiary, can I force a higher mode than WDMA2?
>>>> (like UDMA 133).
> Allow me to give some additional info:
> /var/log/dmesg.today:ad0: 39205MB <ASI ARAID99 1000 Rev 2.5>
> [79656/16/63] at ata0-master WDMA2
> /var/log/dmesg.today:ad4: 78167MB <Maxtor 6Y080L0> [158816/16/63] at
> ata2-master UDMA133
> /var/log/dmesg.today:acd0: CDROM <ASUS CD-S500/A> at ata1-master PIO4
> /var/log/dmesg.today:atapci0: <Promise TX2 ATA133 controller> port
> 0xa000-0xa00f,0xa400-0xa403,0xa800-0xa807,0xb000-0xb003,0xb400-0xb407
> mem 0xfde00000-0xfde03fff irq 10 at device 12.0 on pci0
> /var/log/dmesg.today:ata2: at 0xb400 on atapci0
> /var/log/dmesg.today:ata3: at 0xa800 on atapci0
> /var/log/dmesg.today:atapci1: <VIA Apollo ATA controller> port
> 0xfc00-0xfc0f at device 15.1 on pci0
> /var/log/dmesg.today:ata0: at 0x1f0 irq 14 on atapci1
> /var/log/dmesg.today:ata1: at 0x170 irq 15 on atapci1
> This is on a ASUS K8V Deluxe board.

It may be the case that FreeBSD 4.9R cannot use ATA 133 on the VIA 8237. I
saw 8.10 *does* support the via 8237. I'm unclear as to whether it also
supports the ATA 133 modes (hardware notes say: VIA 8237 SATA150).

Is there a way I can just upgrade the ata driver, without going all the way
to 8.10? I really cannot continue with using WDMA2 on 16 MB/s. That is about
ten times as slow as it can be!

I appreciate the help,

- Mark

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