FreeLists / si-list / [SI-LIST] Re: urgent: LPC to RS232 converter

[Hora Abu <arageeb@xxxxxxxxx>]

Peter,
I appreciate your feedbak.  Do you know of a specifc BIOS that support routing 
the PORT 80 to the Serial Port? As far as the OS level it will not work since 
the POST codes need to be pumbed into the Serial interface long before BIOS 
hand over control to the OS.
 
Aragan
Peter Marek <peter.marek@xxxxxxxxxxxxx> wrote:
Hora,
 
some BIOSes support redirecting Port 80 codes to one of the serial ports of a 
PC. On the OS level you could easily do that in software. not a big deal.
 
If you do not want to have software involved (e.g. your BIOS does not support 
the redirection), you could do an FPGA design which grabs the Port 80 IO writes 
and  sends it out through an integrated UART. If your not familiar with FPGA 
design, we could do that for you. We could also attach the chip to the PCI 
interface. This approach is a little bit mor straight forward. the whole thing 
were a single chip solution (e.g. TQF144 package for PCI) and cost would be 
below 10 $. Development cost would be too high because we have long years 
experience in FPGA / embedded PC design.
 
regards,
 
Peter Marek
c/o MarekMicro GmbH
Fuggerstr. 9
D-92224 Amberg
Phone: +49-9621-9732-110
Fax: +49-9621-9732-199
 
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BESUCHEN SIE UNS AUF DER EMBEDDED WORLD 2004
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----- Original Message ----- 
From: Hora Abu 
To: pci-sig 
Sent: Wednesday, December 03, 2003 10:14 PM
Subject: urgent: LPC to RS232 converter



Hi experts,

Does any one know of a ?chip? or a solution that can converter LPC bus 
transaction to a serial RS232 stream?  I am looking to integrate such solution 
on computer motherboards.   I have considered a PCI to RS232 cards but due to 
the volume this approach was cost prohibitive.

To give you a background:  I need to send the PORT 80 POST codes from my 
motherboard to a remote system for debug purposes.  The only interface with the 
remote system is done via an RS232.  My ideal solution is one small size chip I 
cannot on the motherboard with an RS232 circuit and this solution will not 
require any software development (at least not on my part).  Sorry if I was not 
entirely clear for I am an analog engineer.

 

Thanks in advance for your help

 

Aragan






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