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Oh, I remembered, the Octane had its power supply at the -bottom- of the case, heating everything above it. From what I’ve read, Octane fans don’t have any vari
by jonstewart 4y ago
Oh, I remembered, the Octane had its power supply at the -bottom- of the case, heating everything above it. From what I’ve read, Octane fans don’t have any variable speed control, they just run full tilt all the time.
- jacquesm 4y agoOn the plus side, it made them pretty stable, but thermally that was definitely a mistake.
- somat 4y agoThe Octane fan actually had two speeds, "loud" and "concorde taking off in a hurricane". The high speed fan mode would enable once you put enough expansion cards into the system. there was a pci card cage that would enable high speed and there were 4 proprietary slots where if more than two were inserted the system would get noisy(errr, more noisy). apocryphal story, the graphics came in two sizes and two speeds. the large size was literally two of the small ones on one board but interleaved so while it had 8 mb of high speed rambus memory you could only use 4. anyway, the story goes that there was a very real risk on the large high speed gfx board of the memory getting so hot it would desolder itself from the board. Edit: on the power supply location, I don't think that mattered, sgi's were not like a pc, they have an engineered airflow. air entered from the front and was forced through the compartments independently, on the left was the mainboard, in the middle there were three, bottom to top was the power supply, pci expansion, drive trays. and on the right a mainboard sized graphics card.