Hi guys, here we can talk about BIOS settings. But first about the Toast thing, maybe it could help someone.

Since I upgraded my Board to the Opteron 185 and 4 Gig RAM, I couldn't save or burn bigger (>1GB) toast images anymore, it always crashed at 39-45%. I had no idea what it could be. Was it the Opteron? It worked on all Athlon 64 with similiar boards and up to 3 Gig RAM. Later I took out some RAM bars and then it worked, with 2 Gig only. But I needed more RAM. During my overclocking experiments I found in two DRAM setting entries with mapping over 4GB. My board can only handle 4 GB, so I disabled them. After this Toast worked again.

Maybe we should take a look at the BIOS settings and share experiences. How much is the BIOS used from OSx86? Sometimes it seems it don't cares about it at all. I had a NEC DVD-RW drive which wasn't detected in BIOS at all. In MacOS it was available and I can even burn with it. Some boards needs to diable USB Legacy support, some don't. What settings should be used fpr Plug'n'Play OS? I have it set to 'No.'

What you can do if you use your PC only for MacOS is to disable all unneccessary components, like parallel port, gameport, midi port, modem, not supported RAID or LAN controllers and of course the floppy disk controller. If you don't need all hard drive ports set the drive type to 'none', this speeds up booting.

Any Ideas?

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2 Opteron systems: OSx86 10.5.8, Andy's 9.8.0 kernel, Asus A8N-SLI Premium, Opteron 185 o'clocked @ 2 x 2,95 GHz (2nd system 2.6 GHz), ATI Radeon HD2600XT 256MB Dual-Monitor 2x HP L2035, 4 GB RAM, Griffin FireWave as main audio device, Marvell + nForce LAN, Asus U3S6 USB3/SATA6 card, 5,5 TB harddisk, Firewire 800 card, Apple Remote + eHome IR receiver, 2x Wacom serial graphics tablet, Canon Pixma iP4700, Logitech Internet Navigator wireless keyboard/mouse combination.

My Audio stuff: M-Audio Transit USB (default audio), M-Audio ProFire 610, M-Audio ProFire Lightbridge (34 channels) using Creamware A16 ADAT converter • MIDI: M-Audio Midiman 4x MIDI interface • Behringer Audio Mixers: Xenyx 1002, Xenyx 1002FX, Xenyx 1202FX, Eurorack UB1002FX, Eurorack MX1804FX, Eurorack MX262A • FX devices: Lexicon MPX100 DSP, Behringer DSP-1000 Virtualizer, Behringer MiniFEX 800 DSP, Behringer Multicom Pro MDX4400 compressor • RETRO: MSSIAH midi/sequencer/synthesizer cardridge for the C64 (Dual-SID), Steinberg M.S.I. MIDI Interface for C64

Computers are really frustrating. Just as I was happy that Toast is working again that the mapping function disables a full gigabyte of RAM. So if I want to use Toast I have to give up 1 Gig of memory.

Has anyone else this problem with more than 3 GB on a Socket 939-board? I'm using Toast 9.01, 4GB, 400MHz-Dual-Channel RAM, 1GB disabled by BIOS :-(

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2 Opteron systems: OSx86 10.5.8, Andy's 9.8.0 kernel, Asus A8N-SLI Premium, Opteron 185 o'clocked @ 2 x 2,95 GHz (2nd system 2.6 GHz), ATI Radeon HD2600XT 256MB Dual-Monitor 2x HP L2035, 4 GB RAM, Griffin FireWave as main audio device, Marvell + nForce LAN, Asus U3S6 USB3/SATA6 card, 5,5 TB harddisk, Firewire 800 card, Apple Remote + eHome IR receiver, 2x Wacom serial graphics tablet, Canon Pixma iP4700, Logitech Internet Navigator wireless keyboard/mouse combination.

My Audio stuff: M-Audio Transit USB (default audio), M-Audio ProFire 610, M-Audio ProFire Lightbridge (34 channels) using Creamware A16 ADAT converter • MIDI: M-Audio Midiman 4x MIDI interface • Behringer Audio Mixers: Xenyx 1002, Xenyx 1002FX, Xenyx 1202FX, Eurorack UB1002FX, Eurorack MX1804FX, Eurorack MX262A • FX devices: Lexicon MPX100 DSP, Behringer DSP-1000 Virtualizer, Behringer MiniFEX 800 DSP, Behringer Multicom Pro MDX4400 compressor • RETRO: MSSIAH midi/sequencer/synthesizer cardridge for the C64 (Dual-SID), Steinberg M.S.I. MIDI Interface for C64

I haven't had any problems with Toast so far, but I don't have but 1GB of DDR2 RAM. I did discover that on my system, which is socket AM2, I had a problem with reboot and shutdown where I would have to hold the power button in. Also my keyboard and mouse would not function when plugged into the PS/2 ports and I had to use a adapter for them to be USB. Not sure what made me think of it, but I went into the BIOS and turned off legacy USB support and that fixed both problems. Now the computer reboots and shuts down properly with the keyboard and mouse both working in the PS/2 ports. The overall system seems more responsive too, but that could just be my imagination. I have plug-and-play OS set to yes but have tried it on No, and it doesn't seem to make much difference. I'm wondering if maybe Toast has a problem addressing over 2 or 3 GB of RAM?