Hi Spiro, On Thu, Dec 21, 2017 at 1:29 PM, Spiro Trikaliotis <ml-cbmhackers@trikaliotis.net> wrote: > Hello Frank, > > * On Wed, Dec 20, 2017 at 04:46:49PM +0100 Francesco Messineo wrote: >> Another thing: this drive has the 310654-03 firmware ROM, I've seen >> there's a 310654-04 image on zimmers.net, is it worth trying it? > > YES, IT IS! > > Or use even the 310654-05, it is even newer. > > the -03 ROM has some bugs. IIRC, it has problems recognising > single-sided disks (i.e., 1541 disks), which may result in problems > every now and then. yes, it's very slow to "decide" that a disk is single sided and start reading it correctly, but it didn't fail to read 1541 disks so far (after fixing the mechanical problems). > > The -05 ROM has it fixed. The -04 ROM is much "nearer" to the -05 than > it is to the -03, thus, I believe most problems should be fixed, but the > -05 is more reliable, anyway! > yes, I meant to ask about -05, my fingers slipped on the 4 ;-) Thanks for the suggestion! Since the 128D isn't mine, I'll ask the owner if he wants me to upgrade it. I assume that a normal 27256 EPROM would work in place of the original ROM, but I'll check the schematics anyway. Thanks Frank Message was sent through the cbm-hackers mailing listReceived on 2017-12-21 13:00:44
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