Messages in this thread | | | Date | Wed, 18 Jun 1997 11:23:56 -0500 | From | Thomas Davis <> | Subject | Re: UMC 8881/8886 chipset |
| |
johns@chiark.greenend.org.uk wrote: > > In article <m0wbnYt-0004oBC@chiark.greenend.org.uk>, > John Sullivan <john.quillion@stjohns.co.uk> wrote: > >and I don't have access to 8673/8881 to test those... I'll post the > >patch for this sometime tomorrow however. > > Here it is. You'll need hdparm to take advantage, and it ought to be a > whole lot cleaner. PIO mode 3 works for me. Pushing it higher could do > seriously strange things. Best to test timings on a read-only > filesystem, and power-cycle if it locks up. > > To activate it you'll need to enable umc8672 support in the kernel > config, and use ide0=umc8672 on the kernel command-line. >
hmm.. saw this, and said to myself: I feel brave. I believe I have one of these.
so, I tried it. No go.
here's what /proc/pci says:
PCI devices found: Bus 0, device 18, function 1: IDE interface: UMC UM8886BF (rev 16). Fast devsel. IRQ 14. Master Capable. No bursts. I/O at 0x170. I/O at 0x374. I/O at 0xffe0. I/O at 0xfff0. I/O at 0xffa0. Bus 0, device 18, function 0: ISA bridge: UMC UM8886A (rev 14). Medium devsel. Master Capable. No bursts. Bus 0, device 16, function 0: Host bridge: UMC UM8881F (rev 4). Medium devsel. Master Capable. No bursts. Bus 0, device 12, function 0: VGA compatible controller: Trident TG 9660 (rev 211). Medium devsel. Fast back-to-back capable. IRQ 12. Non-prefetchable 32 bit memory at 0xff400000. Non-prefetchable 32 bit memory at 0xffbe0000.
Did they change something?
-- -------------------+------------------------------------------------------ Thomas Davis | Kaneca International Support Services 4339 Wakeley | "No Linux box is too slow for us!" Omaha, NE 68131 | ratbert@netk.com
| |