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Full Discussion: Sun Enterprise 3000
Special Forums Hardware Sun Enterprise 3000 Post 302956105 by hicksd8 on Saturday 26th of September 2015 06:17:28 AM
Old 09-26-2015
Although you might think that you've turned the power on you need access to the system controller first. The system controller (SC) is an embedded (Linux) appliance which sits under the Sun hardware and controls it. When you powered up you probably only have power onto the SC. So at this stage I wouldn't worry about modules that don't appear to be coming on.

Answer DukeNuke2's question about console access via the serial interface.
 

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CYC(3)							     Library Functions Manual							    CYC(3)

NAME
cyc - Cyclone fiber interface SYNOPSIS
bind #C /dev /dev/cyc DESCRIPTION
The cyc device drives the Cyclone CVME961 (not 960) card with an attached SQFBR Squall module to provide a high-speed point-to-point 9P link between a CPU server and a file server. Both machines must of course have VME buses. For debugging, the Cyclone may be loaded with on-board software using xms (see con(1)) and the NINDY ROM supplied with the device. In production, though, it is easiest to replace the ROM with the program in the directory /sys/src/fs/cyc. In either case, the on-board software expects an identical Cyclone to be at the other end of the fiber. One of the boards must be in a CPU server, the other in a file server; the systems configure their respective boards dynamically as appropriate. The driver serves a single file, /dev/cyc. When opened, the file initializes the connection to the file server. The resulting file descriptor should be used only to send and receive 9P messages. Typically boot(8) will open /dev/cyc, prime the connection by sending nop and session messages (see attach(5)), and then mount (see bind(2)) the file descriptor in the CPU server's name space. Thenceforth all activity on /dev/cyc will be mediated by the mount driver mnt(3)). FILES
/sys/src/fs/cyc Directory of on-board software for the Cyclone. SEE ALSO
CVME960, CVM961 Single Board Computer User's Manual and SQFBR User's Manual, Cyclone Microsystems, Inc., New Haven, CT, 1-203-7865536 SOURCE
/sys/src/9/power/devcyc.c BUGS
The driver is specific to the SGI Power Series, although the device should operate on any VME bus. CYC(3)
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