I took my Tezro apart to clean it, and I think I broke something (yeah, laugh at me), but I am not 100% certain. I suspect I damaged a few pins on the I/O connector linking the node board (CPU/memory) to the system board. Does the below output from the L1 seem to agree? I can't find a lot of info on some of the status codes returned by "leds":
I am assuming that since just one of the two connectors is damaged, That would explain why CPU A and CPU C are in the PLED_RESET state and apparently never boot up (I think). If I fully deenergize the system, then plug it back in w/o powering up, "leds" has all four CPUs in the PLED_RESET state, but after "pwr u", only CPU B and CPU D enter POD Mode.
Seems like the I/O connector is maybe a $10-$20 part, but I've found just one distributor of of it in the UK. SGI P/N is 9210288. Sent them a message, so hopefully they have a few of these pieces kicking around.
I also inspected the pins on the system board, and they look fine. On the node board, those also look fine. It seems that the "fingers" on one side of the I/O connector are a bit...fickle. I tried bending them back ever-so-carefully under a magnifying glass, but it seems one or more just aren't getting the connection they need for the system to boot up.
Other things I noticed are the 3.3V line is NC in "margin":
But this seems normal, from what bits on Google I've dug up.
And under "power", I get quite a few more "NC" states:
Any suggestions other than hunting down that one I/O connector some place? It'll be a while before another Tezro pops onto eBay for cheap. I read somewhere that the node board also fits into an Origin 350, but I don't know if that system uses this same connector or not.
Code:
001c01-L1>leds
CPU A: 0x00: PLED_RESET: Slave loop (0x00/0x45=okay, solid 0x00=possibly hung)
CPU B: 0x80: POD Mode (0x80/0xBC=okay, solid 0x80=possibly hung polling UART)
CPU C: 0x00: PLED_RESET: Slave loop (0x00/0x45=okay, solid 0x00=possibly hung)
CPU D: 0x80: POD Mode (0x80/0xBC=okay, solid 0x80=possibly hung polling UART)
CPU A: 0x00: PLED_RESET: Slave loop (0x00/0x45=okay, solid 0x00=possibly hung)
CPU B: 0x80: POD Mode (0x80/0xBC=okay, solid 0x80=possibly hung polling UART)
CPU C: 0x00: PLED_RESET: Slave loop (0x00/0x45=okay, solid 0x00=possibly hung)
CPU D: 0x80: POD Mode (0x80/0xBC=okay, solid 0x80=possibly hung polling UART)
I am assuming that since just one of the two connectors is damaged, That would explain why CPU A and CPU C are in the PLED_RESET state and apparently never boot up (I think). If I fully deenergize the system, then plug it back in w/o powering up, "leds" has all four CPUs in the PLED_RESET state, but after "pwr u", only CPU B and CPU D enter POD Mode.
Seems like the I/O connector is maybe a $10-$20 part, but I've found just one distributor of of it in the UK. SGI P/N is 9210288. Sent them a message, so hopefully they have a few of these pieces kicking around.
I also inspected the pins on the system board, and they look fine. On the node board, those also look fine. It seems that the "fingers" on one side of the I/O connector are a bit...fickle. I tried bending them back ever-so-carefully under a magnifying glass, but it seems one or more just aren't getting the connection they need for the system to boot up.
Other things I noticed are the 3.3V line is NC in "margin":
Code:
001c01-L1>margin
Supply State Voltage Margin Value Index
-------------- ----- --------- ------- ----- -----
1.8V on 1.875V high 2 0
3.3V NC 3.492V high 1 1
2.5V on 2.626V high 2 2
XIO 2.5V on 2.574V high 2 3
NODE0 SRAM on 2.600V high 0 4
NODE0 1.5V on 1.565V high 0 5
NODE0 CPU on 1.297V high 11 6
Supply State Voltage Margin Value Index
-------------- ----- --------- ------- ----- -----
1.8V on 1.875V high 2 0
3.3V NC 3.492V high 1 1
2.5V on 2.626V high 2 2
XIO 2.5V on 2.574V high 2 3
NODE0 SRAM on 2.600V high 0 4
NODE0 1.5V on 1.565V high 0 5
NODE0 CPU on 1.297V high 11 6
But this seems normal, from what bits on Google I've dug up.
And under "power", I get quite a few more "NC" states:
Code:
001c01-L1>power
Supply State Voltage Margin Value
-------------- ----- --------- ------- -----
1.8V on 1.875V high 2
12V on 12.063V N/A
12V NC 12.188V N/A
3.3V NC 3.509V high 1
2.5V on 2.626V high 2
12V IO NC 12.063V N/A
5V aux NC 5.070V N/A
3.3V aux NC 3.268V N/A
5V NC 5.070V N/A
XIO 12V bias NC 12.063V N/A
XIO 5V NC 5.070V N/A
XIO 2.5V on 2.574V high 2
XIO 3.3V aux NC 3.302V N/A
NODE0 3.3V aux NC 3.285V N/A
NODE0 5V aux NC 5.044V N/A
NODE0 12V NC 12.063V N/A
NODE0 SRAM on 2.600V high 0
NODE0 1.5V on 1.565V high 0
NODE0 CPU on 1.297V high 11
Supply State Voltage Margin Value
-------------- ----- --------- ------- -----
1.8V on 1.875V high 2
12V on 12.063V N/A
12V NC 12.188V N/A
3.3V NC 3.509V high 1
2.5V on 2.626V high 2
12V IO NC 12.063V N/A
5V aux NC 5.070V N/A
3.3V aux NC 3.268V N/A
5V NC 5.070V N/A
XIO 12V bias NC 12.063V N/A
XIO 5V NC 5.070V N/A
XIO 2.5V on 2.574V high 2
XIO 3.3V aux NC 3.302V N/A
NODE0 3.3V aux NC 3.285V N/A
NODE0 5V aux NC 5.044V N/A
NODE0 12V NC 12.063V N/A
NODE0 SRAM on 2.600V high 0
NODE0 1.5V on 1.565V high 0
NODE0 CPU on 1.297V high 11
Any suggestions other than hunting down that one I/O connector some place? It'll be a while before another Tezro pops onto eBay for cheap. I read somewhere that the node board also fits into an Origin 350, but I don't know if that system uses this same connector or not.
_________________
"The universe is a song sung by a deaf man."
"What is the pearl without the oyster?"
"A shadow cannot live in darkness."
--"Koshisms": Kosh Naranek, Vorlon Ambassador to Babylon 5