Re: ç­å¤: K8 northbridge f1 behaviour.

2004-01-09 Thread ron minnich
On Sat, 10 Jan 2004, Peter Stuge wrote: > I would've suggested a modified POST card or logic analyzer to see if the > writes made it to the bus. This is somewhat more of a LAN approach to > diagnostics, but might have helped anyway. LAN bridges also tend to just > make packets disappear mysterious

Re: ç­å¤: K8 northbridge f1 behaviour.

2004-01-09 Thread Peter Stuge
On Fri, Jan 09, 2004 at 08:27:55AM -0700, ron minnich wrote: [..] > the 8111 is the pci connection. register 3e.b in 8111 is set to 0xf, which > should pass vga i/o to the pci bus. > > the vga card, using Ollie's 'userio' program, does not respond to byte > accesses to 0x3cc or 0x3d4. Under n

Re: ç­å¤: K8 northbridge f1 behaviour.

2004-01-09 Thread ron minnich
On 8 Jan 2004, Eric W. Biederman wrote: > That is very weird. Besides the card not working what test > are you using to be certain you have failed? Are you failing > to read/write an I/O register. on "normal" bios, i/o to 0x3cc produces data. On linuxbios, i/o to 0x3cc always comes back as 0xf

Re: ç­å¤: K8 northbridge f1 behaviour.

2004-01-08 Thread Eric W. Biederman
Li-Ta Lo <[EMAIL PROTECTED]> writes: > On Thu, 2004-01-08 at 15:43, YhLu wrote: > > Ron, > > > > You need to set the REG in some special position. Because ht_scanbus, may > > reset some regs according to it's scan result. I know the existing code when it was back in the freebios codebase and PCI