On Mon, 2 Apr 2001, Dax wrote:
..
> Meron kasi akong P 100 32 Mb Ram. 2 3Com 509B etherlink III na NIC at
> Mandrake7.2.
>
> I tried setting up a proxy server. kaya lang mukhang ang ginagawa ng
> DrakConf at Linuxconf eh yung dalawang network card inilalagay sa iisang
> interrupt at ioport. (pag nag ping ako me reply tapos maglalabas na ng
> message na infinite loop at Tx something)
It's ok for NICs to share an interrupt, IF THEY ARE PCI NICs.
Interrupt-sharing on ISA cards is very iffy because ISA is edge-triggered
(meaning an interrupt can occur while another one is being processed)
while PCI is level-triggered (like a "keep the balloon up" monostable
multivibrator) so interrupts can't clobber each other.
The short story is: you must boot to DOS, use 3c5x9cfg.exe (from the 3com
driver disk) to turn OFF Plug-and-Play on your ISA NICs, and manually
assign IRQs and IO ports for each one. After that, things should be
handy-dandy.
p.s. that's really ancient hardware you got there (3c509!!) maybe you
should ditch it. a PCI NIC only costs 400 pesos.
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