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Date:      Wed, 06 Aug 1997 10:27:37 +0900
From:      Satoh Junichi <junichi@astec.co.jp>
To:        freebsd-hackers@freebsd.org
Subject:   High speed serial driver
Message-ID:  <199708060127.KAA11365@stone.astec.co.jp>

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I have made a patch for -current serial driver to support high speed
serial board, "RSA-DV II/S" manufactured by I-O DATA DEVICE,INC.

The board has 2048byte FIFO. Max baud rate is 921kbps.


<< How to apply the patch >>

  cd /usr/src/sys/i386
  patch -p < rsa.patch

<< How to enable the "RSA-DV II/S" board >>

Configure the kernel and reboot. 
How to configure the kernel configuration file is the same with general
serial ports except that you need to append option, "COM_RSA".

Example of configuration:

  device	sio2	at isa? port 0x2c0 tty irq 15 vector siointr
  options	COM_RSA   # I-O DATA  RSA-DV II/S

The board will be probed like this:

  sio2 at 0x2c0-0x2cf irq 15 on isa
  sio2: type I-O DATA  RSA-DV II/S


#A patch for 2.2.2-RELEASE that has been well tested by many users
#in Japan is also available. If you want to get it, visit this site:
#<URL:http://www2a.meshnet.or.jp/~junichi/index-e.html>;
---
Junichi


=================================================================
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end
=================================================================



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