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SM3LKS > BPQ 05.04.99 05:17l 42 Lines 1229 Bytes #-10059 (0) @ WW
BID : 36726_SM3LKS
Read: SP6VXT GUEST
Subj: Re: Question
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Sent: 990404/1316Z @:SM3LKS.Z.SWE.EU #:36726 [Ostersund] FBB7.00g $:36726_SM3LK
From: SM3LKS@SM3LKS.Z.SWE.EU
To : BPQ@WW
PY3SS wrote:
>Hi,
>
>What is the meaning of the "Undrun/Poll T-O" value in the BPQ stats ?
>
>Mine increases only at the 9600 bps port ( USCC card ).
>
>The machine is a K6-2/300.
>
>
> Best 73 de Marcelo __o
> PY3SS@PY3SS.RS.BRA.SA _`\-\,
> ________________________(_)/ (_)__
>
Hi Marcelo.
Undrun/Poll T-O = Underruns / Polled time-outs
In the docs, (commands.doc), you can read this:
----
RX Overruns indicate characters lost because the software didn't process
the interrupts fast enough. If you are running KISS ports, and you get
a lot (ie a significant percentage of L2 frames heard), try reducing the
speed of the link from the PC to the TNC. If you are using an HDLC card
(DRSI or PC120), particularly at high speed, then there isnt much you
can do except buy a faster machine. (But I would like to hear from anyone
having problems running at 9600 baud or above - I may be able to speed up
the routines a bit).
Underuns indicate a similar problem in responding to TX interrupts,
but only apply to HDLC cards. As you cant get a TX underrun on an
async port, this field is also used to count timeouts on a polled KISS
system.
----
73 de SM3LKS, Bosse
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