"OK, so the presence of that parallel port has nothing to do with imaging copy-protected disks, as I thought?
Now that I think about it, maybe some particular nibbling software (mnib or the like) just requires the parallel port, probably for speed reasons or whatever." As I say, I'm only aware of using the second parallel port to speed disk transfers, and in that capacity it's really excellent. If it has other uses, that's new info to me.. since I never need to copy protected originals, I've never looked into it. Once the hardware is in place, open CBM auto-detects the presence of the parallel connection as an "XP-1541" setup, vs. XM-1541 using only the serial cable. No further configuration is required, it just reads & writes at like 4-5X the speed. On Tue, Feb 23, 2016 at 9:51 AM, Eric Christopherson < echristopher...@gmail.com> wrote: > On Tue, Feb 23, 2016 at 12:17 AM, drlegendre . <drlegen...@gmail.com> > wrote: > > > I know of no way, probing only with the PC & software, to determine which > > type of X-1541 cable you might have. However, wiring diagrams for +all+ > > versions are freely available, and it shouldn't be any great effort to > open > > up and - with the help of a multimeter - examine a given cable and > compare > > it against the various arrangements. > > > > The 1541-side parallel port is totally optional, and it is not required > to > > produce a working setup. > > > OK, so the presence of that parallel port has nothing to do with imaging > copy-protected disks, as I thought? > > Now that I think about it, maybe some particular nibbling software (mnib or > the like) just requires the parallel port, probably for speed reasons or > whatever. > > > > However, when coupled with an appropriate cable, > > drives equipped with the parallel connector operate several times faster > > than even the fastest non-parallel setups. That said, any of the X-1541 > > setups will tend to run a fair bit faster than a genuine Commodre IEC > bus, > > so unless you plan to do a +lot+ of transfer, don't worry about going the > > parallel route. > > > > On Mon, Feb 22, 2016 at 8:54 PM, Eric Christopherson < > > echristopher...@gmail.com> wrote: > > > > > On Mon, Feb 22, 2016, drlegendre . wrote: > > > > I do a fair amount of cross-C64 work, but all of it's on Linux.. > here's > > > > what I can tell you, much of which applies to MS/Win as well. > > > > > > > > First you need a method of reading the original C-64 floppy into a > .D64 > > > (or > > > > other supported) image. This requires +four+ basic things - a PC, a > > 1541 > > > > (or compatible) drive, a supporting software suite and one of the > > various > > > > X-1541 cables. These days, with modern multi-tasking OSes, I'd > suggest > > > > using nothing but the XM-1541 cable design. These may be purchased, > or, > > > > with a little time & effort, built up by the DIY-er. > > > > > > Does anyone know of a way, from Linux, to determine the particular > > > species of one of those cables? I bought mine years ago and no longer > > > remember which it is (and it isn't marked). I assume it's XM, since I'm > > > sure I intended it for use in Linux when I bought it, but I'd like to > be > > > sure. > > > > > > > > > > > The XM-1541 cable connects the CBM 1541 drive to the parallel port on > > the > > > > PC. The software suite (I highly suggest OpenCBM!) acts as a userland > > > > driver / utility suite, allowing you to read, write, format etc. > > original > > > > SS/SD disks on the 1541 drive. Once you have successfully read images > > of > > > > the disk(s), then it's up to you how you handle them.. > > > > > > Somewhere I picked up the idea that for that you would need a cable > that > > > connects, not only to the serial IEC port of the drive, but to a > > > parallel port which you must DIY on the drive. Would someone mind > > > chiming in here -- I don't understand how that would do anything other > > > than making the transfer faster? I know that on the software side you > > > specifically need nibbling tools, like mnib. > > > > > > > > > > > If you have one of the SD-based systems, simply copy over the image > to > > > the > > > > SD and you're good! I don't use SD card, just original 1541 & > floppies, > > > so > > > > wouldn't have much help for that end of the process. But I'm sure > it's > > > very > > > > well documented by the vendor of the SD-card drive hardware - right? > =) > > > > > > The SD card devices all use Ingo Korb's SD2IEC software, as far as I > > > know. The main source of documentation I know of is at > > > <https://www.sd2iec.de/gitweb/?p=sd2iec.git;a=blob;f=README;hb=HEAD>. > > > > > > > > > > > On Mon, Feb 22, 2016 at 6:41 PM, Fred Cisin <ci...@xenosoft.com> > > wrote: > > > > > > > > > On Mon, 22 Feb 2016, Mike wrote: > > > > > > > > > >> Is there a way to copy a disk from a commodore floppy drive to a > SD > > > card > > > > >> if so please enplane how it is done > > > > >> > > > > > > > > > > You need a machine that supports both formats. Either add an SD > card > > > to a > > > > > Commodore, or do appropriate special cabling and software to read > the > > > > > commodore disk on a PC. > > > > > > > > > > > > > > > > -- > > > Eric Christopherson > > > > > > > > > -- > Eric Christopherson >
