[Hardware] Fully unrolled RC5 on FPGA

[Steven Nikkel]

3.3v PCI might be a mistake, its still pretty rare in a standard 32bit 
slot.

On Mon, 13 Nov 2006, John L. Bass wrote:

> Date: Mon, 13 Nov 2006 10:35:20 -0700
> From: John L. Bass <jbass at dmsd.com>
> Reply-To: Hardware <hardware at lists.distributed.net>
> To: hardware at lists.distributed.net, jbass at dmsd.com, martin at nnytech.net
> Subject: Re: [Hardware] Fully unrolled RC5 on FPGA
> 
> Layout for one of these chips for a 3.3V 32bit PCI is a long days work.
> I tend to use pcb on sf.net, an older version that's pretty fast. My
> local PCB house is pretty reasonable with 1 wk turn on 6 layer. If we
> keep this a pretty simple card (small pci form factor) they would be
> pretty cheap in a short run.
>
> Question is, what else would people want on the card ... SRAM? SDRAM?
>
> Other than layout time and increased board size, isn't much cost to
> adding a few simple things. I'd suggest configuring it from a small
> JTAG PLD tied to a CF socket on the back panel. That way you can
> easily change it's code by swapping CF cards when it's dead, and when
> it's working, write the CF from a PCI utility thru the FPGA.
>
> Will have to check that XCV4's can actually be connected to a 3.3V PCI
> bus directly. May have to use an older FPGA as the PCI bus controller.
>
> As for PCI express, that's not a hobby project ... some serious engineering
> and significant IP in cores.
>
> John
>
> 	Date: Mon, 13 Nov 2006 12:05:23 -0500
> 	From: Martin Klingensmith <martin at nnytech.net>
>
> 	Me too, considering what you were saying in the past.
> 	I'm going to bet that there would be a dozen people interested in PCI
> 	boards. Much more if it was versatile for other applications (it would
> 	be dumb not to).
> 	I assume the V4 has LVDS for PCI express applications. It might make the
> 	board cheaper/smaller.
> 	--
> 	Martin K
>
> 	John L. Bass wrote:
> 	> I'm currious what the power/heat are.
> 	>
> 	> John
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---
Steven Nikkel
steven_nikkel at ertyu.org