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davea
*nix forums beginner
Joined: 15 Mar 2006
Posts: 6
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 Posted: Fri Jun 09, 2006 3:11 pm Post subject:
Re: setting TOD clock on Indigo
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Emmanuel Florac wrote:
| Quote: | Le Thu, 08 Jun 2006 19:43:15 -0400, Robert Ramsey a écrit :
With the OS (6.5.22) up hinv reports the correct speed, 150Mhz, but at the
Command Monitor it reports as only 75Mhz.
It's the normal behaviour for the Indigo AFAIK.
Right. |
A very long time ago (when R4K was new) there was a short-term
disagreement over
whether to count the external or internal clock rate of the processor
as 'the clock rate'.
It did not take long for everyone to realize the internal (faster
clock) rate was more
representative of the performance improvement over R3K.
So the 75Mhz is the external clock, the 150 is the internal, and
compared to a max R3K
of around 30Mhz,150Mhz is pretty representative of the performance
increase. Agreement was reached inside SGI and then
everything on later IRIX machines agreed on the internal clock rate.
Hopefully I'm remembering this right, not misrepresenting...
davea |
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Emmanuel Florac
*nix forums Guru Wannabe
Joined: 21 May 2005
Posts: 109
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| Posted: Fri Jun 09, 2006 7:24 am Post subject:
Re: setting TOD clock on Indigo
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Le Thu, 08 Jun 2006 19:43:15 -0400, Robert Ramsey a écrit :
| Quote: |
With the OS (6.5.22) up hinv reports the correct speed, 150Mhz, but at the
Command Monitor it reports as only 75Mhz.
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It's the normal behaviour for the Indigo AFAIK.
--
In girum imus nocte ecce et consumimur igni |
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Robert Ramsey
*nix forums beginner
Joined: 27 Mar 2005
Posts: 20
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| Posted: Thu Jun 08, 2006 11:43 pm Post subject:
setting TOD clock on Indigo
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Hello,
I just replaced the battery on my Indigo and now when it boots it reports
this error:
Can't determine CPU speed
Starting up the system...
IRIX Release 6.5 IP20 Version 10070055 System V
Copyright 1987-2003 Silicon Graphics, Inc.
All Rights Reserved.
The system is coming up.
With the OS (6.5.22) up hinv reports the correct speed, 150Mhz, but at the
Command Monitor it reports as only 75Mhz.
Processor: R4000 75 Mhz, with FPU
Primary I-cache size: 16 Kbytes
Primary D-cache size: 16 Kbytes
Secondary cache size: 1024 Kbytes
Memory size: 96 Mbytes
Graphics: GR2-Elan
SCSI Disk: scsi(0)disk(1)
SCSI Disk: scsi(0)disk(2)
south 16# hinv
CPU: MIPS R4400 Processor Chip Revision: 5.0
FPU: MIPS R4000 Floating Point Coprocessor Revision: 0.0
1 150 MHZ IP20 Processor
Main memory size: 96 Mbytes
Secondary unified instruction/data cache size: 1 Mbyte on Processor 0
Instruction cache size: 16 Kbytes
Data cache size: 16 Kbytes
Integral SCSI controller 0: Version WD33C93B, revision C
Disk drive: unit 1 on SCSI controller 0
Disk drive: unit 2 on SCSI controller 0
On-board serial ports: 2
On-board bi-directional parallel port
Graphics board: GR2-Elan
Integral Ethernet: ec0, version 1
Any ideas on how to resove that error message? I've looked on the net as to
how to set the system clock in the Command Monitor but nothing has come up.
Thanks in advance!
Rob |
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