On Monday, June 23, 2003, at 11:51 AM, Antonio Rodr�guez wrote:
My Apple //e has two disk controllers (an original Disk ][ in slot 6 and a
DuoDisk, I think, in slot 4), even if I only have one 5.25" drive. And here
comes the first question. I'm not sure if the second controller is a
DuoDisk one. Both of them are simmilar: they have the same 8 chips,
including the PROMs P5 and P6. Also, when I use a C400<C600.C6FFV command
on the monitor, it says both device ROMs are simmilar. The only difference
is that the card in slot 4 has a cable that ends in a DB-19 connector
instead of having the two 20-pin connectors the Disk ][ has. What card it
is? Is it able to use 3.5" drives? I don't think so, because if it were
able, the ROM sould be different, but I can't assure.
It's the later version of the Apple 5.25" disk controller. As you note, the only difference is the connector. It can be used to daisy chain together two 5.25" disk drives with the D19 plug, like the UniDisk 5.25 or the Apple IIc external drive, or for the DuoDisk.
Does anybody have a disk controller card for the //e that is able to handle
an 800k or (better) an 1.44 Mb 3.5" drive? Can you sell it to me?
The other solution is to buy a computer that has that capability built-in.
The //c+ is nice: it's the faster Apple II ever made, and has an internal
800 Kb 3.5" drive. The //gs is also a good option: not as fast as a //c+,
but it can run GS-OS and has a built-in controller that is 3.5"-capable.
Remember that an 800KB disk can only be exchanged with a Mac with a built-in floppy drive. Other computers and Macs with USB floppy drives can't read Apple 800KB disks. To use 1.4MB disks on an Apple IIe or IIgs you need the Apple SuperDrive controller card and a SuperDrive.
The problem is that, as I live in Spain, all composite video monitors I
have work at PAL frequencies (50 fps, 625 lines instead of NTSC's 60 fps,
525 lines). Any of you can provide me with an European //c+ or //gs with a
3.5" drive? Or even better, a //gs with its color monitor - in that case I
don't need it to be PAL ;-) .
Unfortunately, the IIc+ was never sold outside the USA, so it was only ever made in an NTSC version. The IIgs was only available in NTSC as well, probably because it was expected that most people would use an RGB monitor anyway. The IIgs video output can be set to either 50 or 60Hz, so it will work with a PAL monitor but it will only display a monochrome picture. If you have a colour monitor or TV with a SCART connector you can use this as an RGB connection for the IIgs which will bypass the NTSC or PAL colour encoding entirely. I have a page on my web site with details on making the cable.
Thank you in advance for your help :-) .
-- Roger Johnstone, Invercargill, New Zealand _____________________________________________ Apple II - Future Cop:LAPD - iMac Game Wizard http://homepages.ihug.co.nz/~rojaws
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