Baslinux mailing list

[Hal MacArgle <halinux AT kvinet.com>]

On 06-11, Sindi Keesan wrote:
> I have two pci ethernet cards, both RJ45, both Winbond 840 (for which I 
> found a linux 2.2.16 module by searching the web since SW71 did not 
> include that module).  They have identical chips except for one chip with 
> a slightly different number.  I plugged them into two non-identical 
> computers, one a DFI PI (Intel cpu) and one a Gateway PII (AMD cpu).
> The DFI booted fine, the Gateway told me:
> Resource conflict:  PCI Network Controller
> Bus:00  Device:0f Function:00
> 
> I checked and IRQ 5 10 11 and 12 are open.  Usually the pci cards put 
> themselves on IRQ 9 10 11 or 12.
> 
> What sort of conflict is/was this?

lspci and/or less /proc/pci tell you anything?? Another device at 0f?

Hal


> 
> I played around with resource configuration (auto PCI IRQs, reserved 
> legacy IRQs) and only made things worse so put that back to defaults.
> I hit ESC to resume despite the error (after reserving IRQ3 for the ISA 
> modem in Com2) and was unable to dial with linux:  write: warning: 
> input/output error,  modem hangup - twice.
> 
> I was going to return the card to where I got it from (free) but decided 
> first to see if it worked in the DFI so I switched the two cards and now 
> both computers booted and I dialed in linux on the Gateway.  (I have not 
> yet tried using the network cards).  So it seems to be some sort of 
> incompatibility between one of the two nearly identical cards, and 
> something in the Gateway CMOS or hardware.
> 
> The two computers in question worked just fine with two other PCI network 
> cards but I was replacing them because another list member is set up with 
> BNC cable and these are a rare beast - RJ45/BNC pci cards that 
> automatically detect which type of connector you are using.  They seem to 
> run at the same speed no matter what type of cable is used.
> 
> My partner succeeded in surgery on a cut non-crossover cable and it is now 
> crossover, at least it works at 10MBit.  He also made an RJ45 extension 
> plug (plug into both ends) into a crossover adapter by rewiring it. This 
> has saved us $1.16 plus tax.  
> 
> Can you use BNC cables to hook together 3 or more computers without a hub?  
> We have two ISA BNC cards and, I am told, lots of BNC cables.

        Already answered: Yes BNC daisy chain..
Hal