Steven Hirsch wrote:
On 07/25/2010 11:25 AM, Rich Hare wrote:I've got a RamFast SCSI card in my IIGS (Rom 03) that I've been using without problems for the last several years. I'm pretty familiar with SCSI protocols, including termination, term power, and SCSI ID. I'm trying (without success) to connect to a 1 gig hard drive that is HFS formatted. The drive works perfectly fine when connected to my Macintosh (6100 pizza-box Mac), but the RamFast just won't recognize it in any configuration (first on the chain, last on the chain... etc.). The RamFast recognizes several other 270 MB HFS hard drives that I use, with no problems whatsoever. It just won't recognize this drive. It reports "device is offline". Am I trying to do the impossible? Is one gigabyte (1060 MB) beyond what the Ramfast can handle? What IS the limit? 500 MB? Any suggestions?Take a look at the docs for the drive and see if there's a way to disable synchronous negotiation and/or disconnect. These are newer notions that may be giving the Ramfast some issues.I would expect the RF to recognize _something_ on that id even if it couldn't mount it as a volume.Steve
Thank you, Steve.The drive in question is a Quantum Fireball 1080S, so there are no settings like you suggest. It is pretty much like its smaller brothers, except for having ParK and Termination Enable jumpers on the board.
I even tried some even larger drives (Nine gig partitioned into 4 gig HFS partitions, but the RamFast/GS gagged on these drives - purple screen when that drive was polled on boot-up.
I guess I could mount the drive on the Macintosh and Appletalk over to it... but that's pretty slow (not that slow is a problem... I'm just doing this all as a way to play with my IIGS and its programs).
For now, I'll just continue to use my 270 meg Tsunami drives (one boot drive with 8 Prodos partitions, and two with HFS partitions). I was kind of looking forward to having one Prodos drive and one large HFS drive.
Just for academic research, however, if anybody knows of a RamFast size limitation, or has suggestions on how to research it, I'd find it interesting to play around with it.
Rich