Re: [ntp:questions] Strange NTP problem on AMD Geode LX cards.

On Wednesday 14 October 2009 06:20:21 Unruh wrote: > E-Mail Sent to this address will be added to the BlackLists writes: > >Rick Jones wrote: > ... EMC / EMI, Unintentional / Incidental, Radiators > >> > >> And/or better educated customers willing and able to > >> understand the value of a

Re: [ntp:questions] Strange NTP problem on AMD Geode LX cards.

E-Mail Sent to this address will be added to the BlackLists writes: >Rick Jones wrote: ... EMC / EMI, Unintentional / Incidental, Radiators >> And/or better educated customers willing and able to >> understand the value of a better crafted system when >> comparing to the one that didn't "

Re: [ntp:questions] Strange NTP problem on AMD Geode LX cards.

Rick Jones wrote: >>> ... EMC / EMI, Unintentional / Incidental, Radiators > And/or better educated customers willing and able to > understand the value of a better crafted system when > comparing to the one that didn't "spend the pennies." For anyone that cared enough about emissions, (and not

Re: [ntp:questions] Strange NTP problem on AMD Geode LX cards.

Unruh wrote: > Yup. That is why you have regulations. It is clear that the present > spread spectrum approach is basically an end run around the > regulations. The regs were set up based on the idea that things that > emit tend to be more or less monofrequency ( radio transmitters, > sidebands, mi

Re: [ntp:questions] Strange NTP problem on AMD Geode LX cards.

E-Mail Sent to this address will be added to the BlackLists writes: >Dave Baxter wrote: >> Best get it right the first time, it's cheaper in the >> long run too, but heck, how many carreer bean counters >> stay anywere for more than a year anyway. >> I know some so called "engineers" like tha

Re: [ntp:questions] OT: GPS18x LVC failure

Uwe Klein wrote: > With switches the problem tends to be the strategy for handling > (potentially) colliding traffic. > "Passthrough", "store-and-forward", "drop/cause resend" have > massively different transit times. > Depending on traffic density any single switch will use a mix of all > transfe

Re: [ntp:questions] OT: GPS18x LVC failure

E-Mail Sent to this address will be added to the BlackLists wrote: > Rick Jones wrote: > > Has anyone asked Garmin about the specs vs what they've seen? > > > 3 Physical Protocols > 3.1 Serial Protocol > The Serial Protocol is based on RS-232. >

Re: [ntp:questions] Strange NTP problem on AMD Geode LX cards.

Dave Baxter wrote: > Best get it right the first time, it's cheaper in the > long run too, but heck, how many carreer bean counters > stay anywere for more than a year anyway. > I know some so called "engineers" like that too. > Get it to production asap, then leave. When people doing the manu

Re: [ntp:questions] 1Gb/s network issues - was: Re: OT: GPS18x LVC failure

David J Taylor wrote: > > "Unruh" wrote in message > news:qsbam.47742$db2.29...@edtnps83... > [] >> Actually those Gb ethernet switches seems to have some really bad and >> variable >> latencies. My system, before they installed Gb switches, had a >> consistant >> roundtrip of 140 usec and ga

Re: [ntp:questions] Synching to unkonw Ntp server?

Towli wrote: > Hello all > > By chance i just saw 2 undefined ntp-servers showing up on my 3750 doing a > "show ntp ass". I have defined 3 internal DCF77 servers and 1 > Gps-Ntp_server. > The 2 "scavenger" ntp-servers are not mentioned in the running config - how > on earth can my switches be

Re: [ntp:questions] If the EMI shoe was on the other foot...

In article , da...@ex.djwhome.demon.invalid says... > > Michael Deutschmann wrote: > > > > > Would the experts here then want the government to mandate spread > > spectrum be ON, and if so, what sort of modulation to use? > > The general view in the amateur radio community is that spread spect

Re: [ntp:questions] Strange NTP problem on AMD Geode LX cards.

In article <1254844523.604...@news1nwk>, brian.utterb...@sun.com says... > > Unruh wrote: > > >> * The processor card uses a PCI clock generator capable of spread spectrum > >> output, this is always enabled and not controllable from the BIOS - the > >> chip > > > > No idea what "spread spect

Re: [ntp:questions] OT: GPS18x LVC failure

>Thanks, Hal. Perhaps I should have been a little more patient!I >wonder what version of the firmware your unit had? $PGRMT,GPS 18x-LVC software ver. 2.50*68 It was an early one. It also seems to have a bug/glitch. After you turn on the PGRMT stuff, it echos many copies of the co

Re: [ntp:questions] OT: GPS18x LVC failure

David J Taylor wrote: > "Rick Jones" <> wrote in message news:hb06gb$dq...@usenet01.boi.hp.com... > [] > >> ftp://ftp.cup.hp.com/dist/networking/briefs/nic_latency_vs_tput.txt >> >> is an old writeup, but it should give the gist of it. > > > Thanks for posting that, Rick, it gave me cause for th

Re: [ntp:questions] 1Gb/s network issues - was: Re: OT: GPS18x LVC failure

"Kasper Pedersen" <> wrote in message news:4ad360ef$0$36567$edfad...@dtext01.news.tele.dk... [] > I built a device that spits out priority tagged ethernet frames with > <200ns error to UTC, and did a number of tests with different networks > and nics, the result of which is in a table here: > >

Re: [ntp:questions] OT: GPS18x LVC failure

"Hal Murray" <> wrote in message news:toqdnqikxlyfoe7xnz2dnuvz_vwdn...@megapath.net... > >>My GPS18x LVC stopped working a couple of days ago. There appears to >>+5V >>going into the unit, and the serial output is stuck around -5V with no >>signs of data on the 'scope. Garmin have accepted the

Re: [ntp:questions] OT: GPS18x LVC failure

"Rick Jones" <> wrote in message news:hb06gb$dq...@usenet01.boi.hp.com... [] > ftp://ftp.cup.hp.com/dist/networking/briefs/nic_latency_vs_tput.txt > > is an old writeup, but it should give the gist of it. Thanks for posting that, Rick, it gave me cause for thought. (In particular, how Windows Vi