Subject: Re: PCtel 388 chipset
From: Russell Nelson <nelson@crynwr.com>
Date: 25 May 1999 13:52:02 -0000

Dave Hwang writes:
 > The patent also goes on to provide an example embodiment of the modem
 > chip's register set (could this be the 388's register set):
 > 
 > 	Offset	Register
 > 	0	Data register (low byte)
 > 	1	Data register (high byte)
 > 	2	Control/Status Register (low byte)
 > 	3	Control/Status Register (high byte)
 > 	4	Input/Output Port Register
 > 	5	Reserved
 > 	6	Reserved

And I'll bet that the PCI version has the same registers.

 > I'm not sure what the legal issues are regarding disassembly, so
 > I'll avoid it for now and get as much "clean room" info as
 > possible.

http://pobox.com/~djb/softwarelaw.html

 > The PCtel HSP modem claims to provide a standard AT command with voice
 > and S register interface, so hopefully some of that is actually
 > implemented as the 388 command set.

I don't think so.

-- 
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