Note that if you want to make a commercial PCI card, you'll have to request a unique number (and probably pay for it).
..and that's the big issue: You're required to be a member of the PCISIG, which will cost you $6000 per year. It's not much if you're planning to sell millions of your board, but if it's just a few hundred in a nieche market, you're better off with ready-made bridge chips.
I have used the Tigerjet TJ320 chip to adapt an existing ISA design. It's rather limited on the ISA side: 8 bits wide, 4 address lines, but lots of IRQ lines and some GPIO lines. Even DMA is supported, but only in low datarates (the chip was initially designed to serve on ISDN cards). The QFP100 package with it's 0.65mm pitch can even be placed without a vision system on your pick&place machine.
The vendor ID will always be "tigerjet", but you have to possibility to change the subsystem ID with some pullup and pulldown resistors. Really cheap - not even an EEPROM or so involved.
The chip is easy to use, the eval board is something like $100 with shipment, and the chip itself is below $10 even if you buy low quantities. I won't need my eval board any more, contact me if you're interested. I also have a small stock of the chips, but only a few hundred.
On the software side, Tigerjet supplies a hacking-tool that allows you to "poke" values into the chip's registers (those of you who didn't start computing on a C64, "poke" is a basic command that lets you alter memory and IO register contents). They also provide the source code AFAIK, but my programmer told me that the Microsoft SDK was more valuable to find out how to get access to the chip. In other words: Even the bad docs of our beloved monopolist OS supplier are sufficient.
ciao, -- Jens Sch�nfeld
-- Author: Jens =?iso-8859-1?Q?Sch=F6nfeld?= INET: [EMAIL PROTECTED]
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