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Help with Reviving a NETRA240 Pls?
Post 303026365 by ozsavran on Monday 26th of November 2018 11:16:44 AM
11-26-2018
Sun SC Cannot believe it has turned the system power on...
Dear Hicks,
Downloaded all the manuals about Netra, ALOM, etc. Very superficial, lightly touches on things. But still explained a few points like the DB9 serial port. That indeed was not intended to help with ALOM access. Just a regular serial port for after the OS boots, not a management port at all.
Now as I wrote I can start the leaf blower fan inside with just a "poweron" command. To start individual sub-components (FRUs), I tried " poweron {fru} " commands. For motherboard ı tried "poweron MB", "poweron MOTHERBOARD", and "poweron MB.SEEPROM", for SCSI disks I tried "poweron SCSI", "poweron ENC", "poweron ENC.SEEPROM", does not like these names, declares invalid. When I try "poweron PS1", or "removefru PS1", the SC does NOT declare these name are invalid but says they are NOT present!
Now this is fun indeed! ıf we have no Power Supplies present how the heck are we talking to you Mr. SC?
In summary I need to supply power to the DVD drive to boot anything. I looked inside the DVD bay, there indeed seems to be socket there intact. Since the HDD power light comes on and goes out, I think we just need the correct FRU name for the SCSI subsystem.
Downloaded all the manuals about Netra, ALOM, etc. Very superficial, lightly touches on things. But still explained a few points like the DB9 serial port. That indeed was not intended to help with ALOM access. Just a regular serial port for after the OS boots, not a management port at all.
Now as I wrote I can start the leaf blower fan inside with just a "poweron" command. To start individual sub-components (FRUs), I tried " poweron {fru} " commands. For motherboard ı tried "poweron MB", "poweron MOTHERBOARD", and "poweron MB.SEEPROM", for SCSI disks I tried "poweron SCSI", "poweron ENC", "poweron ENC.SEEPROM", does not like these names, declares invalid. When I try "poweron PS1", or "removefru PS1", the SC does NOT declare these name are invalid but says they are NOT present!
Now this is fun indeed! ıf we have no Power Supplies present how the heck are we talking to you Mr. SC?
In summary I need to supply power to the DVD drive to boot anything. I looked inside the DVD bay, there indeed seems to be socket there intact. Since the HDD power light comes on and goes out, I think we just need the correct FRU name for the SCSI subsystem.
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LEARN ABOUT NETBSD
inittodr
INITTODR(9) BSD Kernel Developer's Manual INITTODR(9) NAME
inittodr -- initialize system time SYNOPSIS
void inittodr(time_t base); DESCRIPTION
The inittodr() function determines the time and sets the system clock. It tries to pick the correct time using a set of heuristics that examine the system's battery-backed clock and the time reported by the file system, as given in base. Those heuristics include: o If the battery-backed clock has a valid time, and is not significantly behind the time provided by base, it is used. o If the battery-backed clock does not have a valid time, or is significantly behind the time provided in base, and the time provided in base is within reason, base is used as the current time. o If the battery-backed clock appears invalid, and base appears non-sensical or was not provided (was given as zero), an arbitrary base (typically some time within the same year that the kernel was last updated) will be used. Once a system time has been determined, it is stored in the time variable. DIAGNOSTICS
The inittodr() function prints diagnostic messages if it has trouble figuring out the system time. Conditions that can cause diagnostic mes- sages to be printed include: o There is no battery-backed clock present on the system. o The battery-backed clock's time appears nonsensical. o The base time appears nonsensical. o The base time and the battery-backed clock's time differ by a large amount. SEE ALSO
clock_ymdhms_to_secs(9), resettodr(9), time_second(9) BUGS
Some systems use heuristics for picking the correct time that are slightly different. BSD
September 6, 2006 BSD