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Full Discussion: IBM AIX console pseries
Operating Systems AIX IBM AIX console pseries Post 303032878 by bakunin on Monday 25th of March 2019 06:30:25 PM
Old 03-25-2019
Quote:
Originally Posted by filosophizer
1- Do I need to have the console connected during the boot process ?
No. A "console" in UNIX speech is just a terminal, save for that it is attached directly (no network in between) to the system. One common security feature is to allow root to directly login only through the console, so that logging in directly as root needs a physical access to the system in question. So, the console is like the "main" terminal, but in every other regard it is just like any other terminal.

Quote:
Originally Posted by filosophizer
2- The console previously was graphics card LFT0 and now changed to TTY0
Well, look here:



Quote:
Originally Posted by filosophizer
Code:
lai0       Defined   1a-00         GXT135P Graphics Adapter
lai1       Defined   1a-08         GXT135P Graphics Adapter
lft0       Defined                 Low Function Terminal Subsystem

The graphics adapters that were there once are simply not there any more. Either they are both broken and the system cannot configure them even so much that they are recognized (one might have become dysfunctional that way but two at the same time is improbable) or they have been removed from the system. Delete these devices (rmdev) and run cfgmgr and i suppose they will not resurface. "Defined" means the defiitions for the adapter are still in the ODM but the device isn't there any more. It it would be then it would be "available".

This seems to be a rather old hardware (i remember having two GXT135P adapters in a R/6000 Model 43P-140), so it should have a serial connector. Attach a serial console to it and start with that. Note that at some point (i don't remember exactly when) the serial characteristics went from 9600, 8,1,N to 19200, 8,1,N, so if you have no luck with 9600 baud try 19200.

I hope this helps.

bakunin
 

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pdc(1M) 																   pdc(1M)

NAME
pdc - processor-dependent code (firmware) DESCRIPTION
is the firmware that implements all processor-dependent functionality, including initialization and self-test of the processor. Upon com- pletion, it loads and transfers control to the initial system loader (isl(1M)). Firmware behavior varies somewhat, depending on the hard- ware as described below. To load from an external medium, must know the particular device on which resides. Typically the device is identified by the Primary Boot Path that is maintained by in Stable Storage. A path specification is an I/O subsystem mnemonic that varies according to hardware model. When the processor is reset after initialization and self-test complete, reads the Console Path from Stable Storage, and attempts to ini- tialize the console device. If the initialization fails, attempts to find and initialize a console device. Algorithms used to find a con- sole device are model-dependent. then announces the Primary Boot, Alternate Boot, and Console Paths. If (see isl(1M)) is enabled, provides a 10-second delay, during which time the operator can override the sequence by typing any character on the console. If the operator does not interrupt this process, initializes and reads from the Primary Boot Path. On models that support autosearch, if this path is not valid and (see isl(1M)) is enabled, then searches to find a bootable medium. If allowed to complete, a list of potentially bootable devices is displayed, labeled with abbreviated path identifiers (P0, P1, etc). A simple menu is then displayed where the user can: o Boot a specific device, using the abbreviated path identifier, or the full mnemonic. o Start a device search where the contents are searched for IPL images (note the first search only identified devices and did not check the contents). o Enter the boot administration level. o Exit the menu and return to autobooting o Get help on choices If the sequence is unsuccessful, overridden by the operator, or not enabled in the first place, interactively prompts the operator for the Boot Path to use. Any required path components that are not supplied default to zero. The Primary Boot, Alternate Boot, and Console Paths as well as and enable can be modified via SEE ALSO
boot(1M), isl(1M). PA-RISC Systems Only pdc(1M)
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