Re: [time-nuts] Selecting server hardware (newbie question)

2006-01-31 Thread Chuck Harris
Hal Murray wrote: > [EMAIL PROTECTED] said: >>> Most systems use the 32 KHz battery backed TOY (Time-of-Year) clock >>> for timekeeping rather than the CPU crystal. > >> Wrong, few systems do. Most systems use the 32.768 kHz xtal to run >> their battery-backed Real Time Clock, but this is only

Re: [time-nuts] Selecting server hardware (newbie question)

2006-01-31 Thread Chuck Harris
Hal Murray wrote: >>> This is good because it's generally farther from the heat >>> generating CPU than the CPU crystal. > >> This has no hold in reality. > > It's not what I was expecting. Several years ago, I was trying to match the > temperature of the crystal with the observed drift. The

Re: [time-nuts] Selecting server hardware (newbie question)

2006-01-31 Thread Hal Murray
[EMAIL PROTECTED] said: >>Most systems use the 32 KHz battery backed TOY (Time-of-Year) clock >> for timekeeping rather than the CPU crystal. > Wrong, few systems do. Most systems use the 32.768 kHz xtal to run > their battery-backed Real Time Clock, but this is only consulted on > boot to get

Re: [time-nuts] Selecting server hardware (newbie question)

2006-01-28 Thread Poul-Henning Kamp
In message <[EMAIL PROTECTED]>, Nero Imhard writes: >On 28 jan , at 10:54, Poul-Henning Kamp wrote: > >> A Soekris NET4501, a bit of work with a soldering iron, an OCXO possibly >> with a PLL to generate something roughly 33MHz and a GPS receiver >> will get you about as good a NTP server as money

Re: [time-nuts] Selecting server hardware (newbie question)

2006-01-28 Thread John Ackermann N8UR
Allen Coates said the following on 01/27/2006 10:11 PM: > I am trying to select a host machine for a dedicated NTP server. I have > several spare PCs to hand, with processor speeds around 500 MHz - all my > budget will allow for the moment. > > Initial experiments have been with Fedora core 4 a

Re: [time-nuts] Selecting server hardware (newbie question)

2006-01-28 Thread Nero Imhard
On 28 jan , at 10:54, Poul-Henning Kamp wrote: > A Soekris NET4501, a bit of work with a soldering iron, an OCXO possibly > with a PLL to generate something roughly 33MHz and a GPS receiver > will get you about as good a NTP server as money can buy and at a > rock bottom price. I am currently bu

Re: [time-nuts] Selecting server hardware (newbie question)

2006-01-28 Thread Poul-Henning Kamp
In message <[EMAIL PROTECTED]>, Hal Murr ay writes: > >> I am trying to select a host machine for a dedicated NTP server. I >> have several spare PCs to hand, with processor speeds around 500 MHz >> - all my budget will allow for the moment. > >You will probably get more/better responses from c

Re: [time-nuts] Selecting server hardware (newbie question)

2006-01-28 Thread Hal Murray
> I am trying to select a host machine for a dedicated NTP server. I > have several spare PCs to hand, with processor speeds around 500 MHz > - all my budget will allow for the moment. You will probably get more/better responses from comp.protocols.time.ntp on usenet. My 2 cents... There a

Re: [time-nuts] Selecting server hardware (newbie question)

2006-01-27 Thread Dr. David Kirkby
Allen Coates wrote: > I am trying to select a host machine for a dedicated NTP server. I have > several spare PCs to hand, with processor speeds around 500 MHz - all my > budget will allow for the moment. > > Initial experiments have been with Fedora core 4 and the "standard issue" NTP > daemo

[time-nuts] Selecting server hardware (newbie question)

2006-01-27 Thread Allen Coates
I am trying to select a host machine for a dedicated NTP server. I have several spare PCs to hand, with processor speeds around 500 MHz - all my budget will allow for the moment. Initial experiments have been with Fedora core 4 and the "standard issue" NTP daemon. I set the PCs up as a gro