Does the slow controller for the SCSI CD drive mean that loading stuff off CDs takes forever though? That's what I'm worried about...
On Sunday, August 14, 2016 at 11:20:25 PM UTC-4, Derek Morton wrote: > > > > Hi, I just recently purchased my first Mac, a Performa 630CD (AKA Quadra > 630) for the princely sum of 53 dollars. I've done a fair bit of research > into vintage Macs before I bought one but there's still some questions I > haven't found answers to. > > Congratulations on catching the bug! > > > 1. I haven't opened my Performa up yet, but chances are it still has the > original 68LC040 and I didn't get lucky by buying one with a proper 040 > upgrade. I've found decently priced 040 chips on eBay but they're all 25MHz > chips, which would be slower than the 33MHz LC that's (probably) already in > there. Would a 25MHz 040 installed in a motherboard with a 33MHz clock > crystal run at 33MHz or is 25MHz the maximum speed it's capable of? > > It is likely the 25 MHz 040 will run at 33 MHz, but there is no assurance > it will. > > > 2. I've heard the SCSI controller in the 630 is absolutely abominable > due to being slow and outdated. Can it be replaced with a more modern > controller from another Macintosh? > > The SCSI controller is directly soldered onto the motherboard, so unless > there is a pin for pin hardware and software compatible replacement AND you > are mighty handy with a soldering iron (or have access to reflow equipment) > there is no upgrading it. I do believe, however, that the 630 uses an IDE > hard drive… SCSI being used for the CD-ROM and external expansion. > > Good luck! -- -- ----- You received this message because you are a member of the Vintage Macs group. The list FAQ is at http://lowendmac.com/lists/vintagemacs.shtml and our netiquette guide is at http://www.lowendmac.com/lists/netiquette.shtml To post to this group, send email to [email protected] To leave this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/vintage-macs Support for older Macs: http://lowendmac.com/services/ --- You received this message because you are subscribed to the Google Groups "Vintage Macs" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/d/optout.
