> > I have a KT7 with an athlon 1.1, no problems with ATA66, don't have a 100
> > drive though. Works fine, does make worlds in a little over an hour with
> > 384mb of pc133, but I do have to downclock the pc133 to 100 because these
> > via chips have some problem with agp and pc133 at the moment.
> Another datapoint - I have an MSI 694D motherboard, with Via Apollo Pro
> 133A chipset, 2 x PIII-800EB, 4 x IBM 75GXP disks (two on ATA-66, two on
> ATA-100). Works like a charm, extremely stable, runs continuous buildworld
> and untar/rm ports with no problem. PC-133 memory, running at 133 Mhz. No
> overclocking, adequate cooling.
Your data point is much better than my Abit.
FWIW, I have a system that works in UDMA mode now. It is running from
an Promise Ultra66 instead of the Abit KT7 and the Via 686a. Upgrading
Win98se and Win2k to run using it were really easy. I added the
Promise card and booted each. It automatically added the driver and I
could then shutdown and deal with the next OS. FreeBSD was much more
difficult. Most of it is because there is at least one major gotcha
that are is the result of default's in the GENERIC kernel. The "option
ATA_STATIC_ID" was impossible for me to fight my way around.
After trying for a couple of hours of booting everything but FreeBSD
and a little bit of consulting with Peter, I reconnected my system to
the mb, commented out the "ATA_STATIC_ID" line in my kernel config,
and then followed the procedure to make it and install it. The system
booted FreeBSD 4.2-stable on the 2nd try. I had a side effect that I
hadn't counted on, i.e., I now had an ad0 and ad1 instead of ad0 and
ad2, and had to MAKDEV ad1s3e before I could mount my second HD. On
the next boot, the system fully, cleanly, booted to FreeBSD and is now
running UDMA33 mode with out any nasty messages.
The next observable change was the "rm x" secition of the "make
buildworld" didn't take ~30 minutes like it used to. I was cc'in in
just over 10 minutes. MUCH faster!
> The heir apparent to the Abit BP6 :-)
> Steinar Haug, Nethelp consulting, email@example.com
> Copyright (c) 1992-2000 The FreeBSD Project.
> Copyright (c) 1979, 1980, 1983, 1986, 1988, 1989, 1991, 1992, 1993, 1994
> The Regents of the University of California. All rights reserved.
> FreeBSD 4.2-STABLE #2: Mon Dec 25 12:01:26 CET 2000
> Timecounter "i8254" frequency 1193182 Hz
> CPU: Pentium III/Pentium III Xeon/Celeron (801.82-MHz 686-class CPU)
> Origin = "GenuineIntel" Id = 0x686 Stepping = 6
> real memory = 536805376 (524224K bytes)
> avail memory = 519806976 (507624K bytes)
> Programming 24 pins in IOAPIC #0
> IOAPIC #0 intpin 2 -> irq 0
> FreeBSD/SMP: Multiprocessor motherboard
> cpu0 (BSP): apic id: 0, version: 0x00040011, at 0xfee00000
> cpu1 (AP): apic id: 1, version: 0x00040011, at 0xfee00000
> io0 (APIC): apic id: 2, version: 0x00170011, at 0xfec00000
> Preloaded elf kernel "kernel" at 0xc02e3000.
> Pentium Pro MTRR support enabled
> md0: Malloc disk
> npx0: <math processor> on motherboard
> npx0: INT 16 interface
> pcib0: <Host to PCI bridge> on motherboard
> pci0: <PCI bus> on pcib0
> pcib2: <VIA 82C598MVP (Apollo MVP3) PCI-PCI (AGP) bridge> at device 1.0 on pci0
> pci1: <PCI bus> on pcib2
> pci1: <NVidia Riva TNT2 graphics accelerator> at 0.0 irq 16
> isab0: <VIA 82C686 PCI-ISA bridge> at device 7.0 on pci0
> isa0: <ISA bus> on isab0
> atapci0: <VIA 82C686 ATA66 controller> port 0x9000-0x900f at device 7.1 on pci0
> SMP: AP CPU #1 Launched!
> ad0: 43979MB <IBM-DTLA-307045> [89355/16/63] at ata0-master UDMA66
> ad2: 43979MB <IBM-DTLA-307045> [89355/16/63] at ata1-master UDMA66
> ad4: 43979MB <IBM-DTLA-307045> [89355/16/63] at ata2-master UDMA100
> ad6: 43979MB <IBM-DTLA-307045> [89355/16/63] at ata3-master UDMA100
> Mounting root from ufs:/dev/ad0s1a
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