Re: [ntp:questions] ntp & system without a rtc

2013-05-10 Thread E-Mail Sent to this address will be added to the BlackLists
John Hasler wrote: > E-Mail writes: >> The uC likely has a RTC, its just not battery backed up? > > The Raspberry Pi has no rtc. Raspberry Pi has a Broadcom BCM2835 SoC (700 MHz ARM11 ARM1176JZF-S) Broadcom seems to want to hold their full datasheet from public view. Perhaps it doesn't have an

Re: [ntp:questions] ntp & system without a rtc

2013-05-10 Thread unruh
On 2013-05-10, Rick Jones wrote: > Richard B. Gilbert wrote: >> I think you may be out of luck on this one. If you can run NTPD 24x7 >> you can have the correct time 24x7. If you can't do this, NTPD is a >> poor choice. The problem is that NTPD needs something like ten hours to >> select a t

Re: [ntp:questions] ntp & system without a rtc

2013-05-10 Thread John Hasler
E-Mail writes: > The uC likely has a RTC, its just not battery backed up? The Raspberry Pi has no rtc. There is no point in having one without a battery. -- John Hasler jhas...@newsguy.com Dancing Horse Hill Elmwood, WI USA ___ questions mailing list

Re: [ntp:questions] ntp & system without a rtc

2013-05-10 Thread E-Mail Sent to this address will be added to the BlackLists
folkert wrote: > I have a raspberry pi system. > This is a computer without a real time clock. The uC likely has a RTC, its just not battery backed up? > So everytime I power it on, it uses starts where it left > off which might be days earlier. > It is connected only very occasionally to the i

Re: [ntp:questions] ntp & system without a rtc

2013-05-10 Thread Rick Jones
Richard B. Gilbert wrote: > I think you may be out of luck on this one. If you can run NTPD 24x7 > you can have the correct time 24x7. If you can't do this, NTPD is a > poor choice. The problem is that NTPD needs something like ten hours to > select a time source and match the time! NTPD is

Re: [ntp:questions] ntp & system without a rtc

2013-05-10 Thread Gabs Ricalde
On Sat, May 11, 2013 at 2:48 AM, Richard B. Gilbert wrote: > On 5/10/2013 10:36 AM, folkert wrote: >> >> Hi, >> >> I have a raspberry pi system. This is a computer without a real time >> clock. So everytime I power it on, it uses starts where it left off >> which might be days earlier. It is conne

Re: [ntp:questions] ntp & system without a rtc

2013-05-10 Thread Gabs Ricalde
If ntp.conf is setup correctly, running ntpd -q -g does the trick On Fri, May 10, 2013 at 10:36 PM, folkert wrote: > Hi, > > I have a raspberry pi system. This is a computer without a real time > clock. So everytime I power it on, it uses starts where it left off > which might be days earlier. It

Re: [ntp:questions] ntp & system without a rtc

2013-05-10 Thread Richard B. Gilbert
On 5/10/2013 10:36 AM, folkert wrote: Hi, I have a raspberry pi system. This is a computer without a real time clock. So everytime I power it on, it uses starts where it left off which might be days earlier. It is connected only very occasionally to the internet so syncing to that won't work. It

Re: [ntp:questions] ntp & system without a rtc

2013-05-10 Thread unruh
On 2013-05-10, folkert wrote: >> > I have a raspberry pi system. This is a computer without a real time >> > clock. So everytime I power it on, it uses starts where it left off >> > which might be days earlier. It is connected only very occasionally to >> > the internet so syncing to that won't wo

Re: [ntp:questions] ntp & system without a rtc

2013-05-10 Thread Rob
folkert wrote: >> > I have a raspberry pi system. This is a computer without a real time >> > clock. So everytime I power it on, it uses starts where it left off >> > which might be days earlier. It is connected only very occasionally to >> > the internet so syncing to that won't work. It does hav

Re: [ntp:questions] ntp & system without a rtc

2013-05-10 Thread folkert
> > I have a raspberry pi system. This is a computer without a real time > > clock. So everytime I power it on, it uses starts where it left off > > which might be days earlier. It is connected only very occasionally to > > the internet so syncing to that won't work. It does have, however, a gps >

Re: [ntp:questions] ntp & system without a rtc

2013-05-10 Thread Steve Kostecke
On 2013-05-10, folkert wrote: > Hi, > > I have a raspberry pi system. This is a computer without a real time > clock. So everytime I power it on, it uses starts where it left off > which might be days earlier. It is connected only very occasionally to > the internet so syncing to that won't work.

Re: [ntp:questions] ntp & system without a rtc

2013-05-10 Thread folkert
> > I have a raspberry pi system. This is a computer without a real time > > clock. So everytime I power it on, it uses starts where it left off > > which might be days earlier. It is connected only very occasionally to > > the internet so syncing to that won't work. It does have, however, a gps >

Re: [ntp:questions] ntp & system without a rtc

2013-05-10 Thread Rob
folkert wrote: > Hi, > > I have a raspberry pi system. This is a computer without a real time > clock. So everytime I power it on, it uses starts where it left off > which might be days earlier. It is connected only very occasionally to > the internet so syncing to that won't work. It does have, h

[ntp:questions] ntp & system without a rtc

2013-05-10 Thread folkert
Hi, I have a raspberry pi system. This is a computer without a real time clock. So everytime I power it on, it uses starts where it left off which might be days earlier. It is connected only very occasionally to the internet so syncing to that won't work. It does have, however, a gps connected. Bu