>I recently installed a NewerTech Maxpowr G3 L2-Cache - which is a G3 >on a board that fits into one of the L2's ram banks on my Starmax >3000/160. I was ecstatic that the bogomips increased by 187% >(199.47). Recently, though, I heard of someone installing a JoeBoard >into his StarMax 5000 and his bogomips being around 800. He mentioned >something about a "Cache Profiler". It seems that BootX is somehow >able to tell the kernel that there is a G3 in the cache and speed is >increased greatly. > >The CPU on the StarMax 3000/160 motherboard itself (what originally >came with it) is a PPC 603e. /proc/cpuinfo shows a 750 - which is good >but the bogomips are nowhere near what this person reported. I do not >use BootX for I prefer booting straight into Linux with Quik. Does >anyone know anymore about this and if it's possible to increase >performance more by somehow making the G3 quicker?
First boot once with BootX. Once in linux, grab the value of /proc/sys/kernel/l2cr. Then, go back to quik, and in your boot scripts, write back this value. This is the configuration of the backside L2 cache of the 750. Ben.