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Joe.
> -----Original Message-----
> From: Greg Mayman [SMTP:gmone@xxxxxxxxxx]
> Sent: Wednesday, April 28, 2004 9:10 AM
> To: arachne@xxxxxxxxxxxxx
> Subject: [arachne] Re: arachne Digest V2 #144 (download stalls)
>
> Arachne at FreeLists---The Arachne Fan Club!
>
> On Tue, 27 Apr 2004 11:16:48 +1000, da Silva, Joe wrote:
>
> > Arachne at FreeLists---The Arachne Fan Club!
>
> > Firstly, have you checked what version of LSPPP you are using?
>
> Yes, I have. It came in the archive package LSPPP101.ZIP so I
> assume it is v1.01.
>
[Joe da Silva]
The reason I ask is because the Arachne 1.73;GPL package
includes LSPPP 0.75, so it is easy to overwrite another,
newer version of LSPPP (eg. 1.01) with this older (buggy) version.
You can type "lsppp /?" to see what version you really have.
> > Secondly, note that just because "multitasking" is ON, doesn't mean
> > that "Downloading of images is ON", simply this "feature" is mostly
> > (entirely???) related to image downloading. Hope that clears up
> > the confusion.
>
> I was just stating the settings in the Options page "Preferences
> & Performance" that reads
> Downloading of Images
> Refresh Period [ ]5 [ ]10 [ ]20 [x]60
> "Multitasking" [ ]on [ ]while searching [x]off
>
> > Lastly, what UART do you have? Is it 8250/16450 or is it 16550A?
> > If the former, you will definitely have these troubles.
>
> It is an 8250/16450.
>
> And I will definitely have WHAT troubles? Two minute freezes
> after downloading 500-700 bytes? No, I can't believe that.
>
> These delays occur _ONLY_ when I am using Arachne to download
> HTML files under OpenDOS.
>
> They do not occur when I am downloading other files, such as
> JPEG, GIF, EXE, ZIP and TXT files under OpenDOS.
>
> They do not occur when I am using TELIX to connect to the local
> BBS under OpenDOS.
>
> They do not occur _at all_ under MS-DOS.
>
> So don't tell me that it is my UART that is causing the trouble
> when the UART works perfectly for every other combination.
>
[Joe da Silva]
Greg, how suitable the 8250/16450 is, depends on
the situation. If you have near 100% CPU availability
to service the UART, you can achieve great things
with an 8250/16450. However, you don't always have
this luxury, depending on what applications and
drivers and TSR's are running. So in practice, you
invariably need a 16550A UART, which has a FIFO
that can buffer a few incoming data bytes while the
CPU is busy drawing some graphics, or writing to
disk, or whatever.
This is something most Arachne users will already
be aware of, so you will find very few others here
using an 8250/16450 UART.
Your comment about M$-DOS is interesting, although
I have doubts about its accuracy. If true, then M$ are
to be commended for an outstanding job in freeing up
the CPU with their DOS and with SmartDrive.
> Greg
>
>
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