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Welcome to Casiorama Trying to reach me?
Some people say I should play the instruments instead of digging inside their hard- and software. Maybe they are right - but on the other hand, only if you learn it the hard way you will be able to repair and maybe upgrade your machinery.

Anyway, here are some bits & pieces about the Casio FZ-1.

Sad but true... These days one really calls for spam when publishing an email address on a website. But what the heck.

rainer@buchty.net

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Service Area Technical Information
ROM Dumps
ROM #1 (FZ1S)
ROM #2 (FZ2S)
Repairing
How to replace the FZ-1 disk drive by an ordinary 3.5" PC HD drive.

When your FZ-1 keyboard jams the whole machine...

Upgrades
Upgrading your FZ-1 to 4 Megabytes using standard 30pin SIMMs

Adding an IDE-Interface to your FZ-1 for (easy?) hard disk access

Replacing the 96x64 display by a VGA display (includes new display controller, additional video memory area plus ROM patches)

(coming soon)
Toolkits
The FZ-1 Toolkit: Reading and Writing FZ-1 disks under Linux (heavily alpha, includes handling of FZF dumps)
(2000-10-11)
Change a PC disk drive to read original FZ-1 disks
(2002-04-02)
Schematics & Service Manual
Thanks to Florian Anwander I own the whole set of schematics and the complete service manual. However, I haven't found the time to scan them yet, so if you need something drop me a mail.
Documentation of ICs
uPD765 (Floppy Controller)
Programming Information for 765 and its successors

uPD72055/8255 (I/O Controller)

uPD72016/NEC V50 (Microprocessor)
Programming Information for NEC V50

MB87186 (DCF/DCA)
OS Documentation
Description of ROM routines
Description of RAM variables and data structures
Description of the FZ-1's disk format
Casio's Programmer Reference for FZ-1 Software Development