From: "James P. Roberts" <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Subject: Re: NE2000 NIC Date: Thu, 19 Dec 2002 12:58:31 -0500 Organization: Punster Productions, Inc. Reply-To: [EMAIL PROTECTED]
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I discovered I had to run a DOS "setup" program for each old ISA card I put into a Linux system. At the very least, you'd want to run such a thing to verify the io and irq settings of the card in question (assuming they are not set by jumpers on the card itself). In at least one case, I had to also DISABLE the so-called PNP feature of the card, and set the io and irq manually, using the setup program. (These settings go into NVRAM on the card, typically. At least, the ones without jumpers).
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I have an old 486 running as a custom firewall/router using RH7.1, iptables, Bastille, and two (2) Linksys ISA NIC cards.For reference, I managed to get an old 486 running as a custom firewall/router, using RH7.1, iptables, and with three (3) different old ISA NIC cards! Pretty cool, huh?
When I installed the first card it had a long row of jumpers that I had to pull off to disable PNP and fix an IRQ and I/O base address. I chose 0x300 and 11. I wound up losing one of the jumpers. I'm not sure it isn't still rattling around in the case somewhere.
When I installed the second card, it came with a floppy disk and a DOS "setup" program. I ran the program and set the card to I/O base 0x240 and IRQ 10. (The default I/O base for the new card was 0x300.) I rebooted the machine and couldn't get either card to work at first.
It turned out the DOS "setup" program had changed the IRQ and I/O base of the _old_ card. Yes, the one with all the jumpers. Apparently that card had NVRAM too!
John
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