How to add a USB port to Yamaha SY99, explained in 5 minutes (flash floppy)

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Here's a short video on how to get that GoTek USB floppy emulator working on your Yamaha SY99, explained in roughly 5 minutes. If you don't have the time, here's what you need:
1) A GoTek USB floppy emulator, e.g. encr.pw/4i4S2
2) A USB serial adapter, e.g. acesse.dev/Vq4fP
3) or a USB-A to USB-A cable in case you found an Artery chip inside your floppy drive emulator: l1nq.com/6XGYw
4) some wires, maybe encr.pw/URqqz
5) a 34pin to 26 pin adapter cable, if you replacing an original drive: l1nq.com/dArgy
5) Flasher software for ARM chips: www.st.com/en/development-too...
6) or for Artery chips: www.arterytek.com/en/product/... ("In-Circuit-Programming tool supporting AT32 MCU")
7) Flashfloppy: github.com/keirf/flashfloppy/...
Video script (for the full script, join my Patreon):
So you bought one of those $20 USB floppy emulators to install in a SY99. Those won't work out of the box. What you need to do is to open them up by removing the 3 screws on top of them.
Now, take a look at the inscription on the tiny processor found on the main board. There are two chips you can find here: ARM STM32F105 or Artery AT32F415.
Depending on what you find, you may need a USB flash adapter for the STM or a special USB cable with type A ends on both sides for the AT32.
In my case, I found an STM32F105 chip inside. As I had no suitable USB cable, I used this USB serial port adapter on a breadboard. I also needed some connector cables that plug into the breadboard.
Take a look at your USB floppy drive. There should be a set of pins near the power plug, a row of 5 pins and another row of four pins.
On most boards, there are holes instead of pins. In that case, you can either solder the pins on yourself or just plug the wires into the holes and attach them with needles or anything that will secure them in place.
If you have pins, you can now place a jumper on the outermost of the 5 pins. This will put the drive into flash mode. If you don't have the pins, you can use a short wire.
Then take a look at the schematics of the serial adapter. We're going to use 4 pins: TX, RX, VCC and GND, which are abbreviations for transfer, receive, voltage and ground.
The TX of the serial adapter must be connected to the RX pin of the usb floppy drive, and the TX of the floppy must be connected to the RX of the serial adapter.
Then, connect the voltage pin and ground pin of the adapter to the power plug of the usb floppy drive.
Now, connect the serial adapter to a USB port on your computer. Download the flash image installer by st electronics and install it. Then, download a software called flashfloppy. Unzip the archive.
Launch the flash image installer and select your COM device. I found using a lower baud rate to be more successful. Click next.
If your device isn't found at first, don't worry. Perform a reset by briefly short circuiting the two innermost pins on the usb floppy drive, then try again. Eventually, your floppy drive will be found and connected.
If necessary, click the remove protection button.
On the next screen, just press next.
Then select download to device and select the hex file inside the flash floppy folder you unzipped previously. Change the filetype filter if needed. Select the hex file that is named after the chip on your floppy drive board, in this case STM32F105.
Then press next and wait for the download process to finish.
Next, set jumpers to make the drive work. The order is two empty colums of pins, jumper, one empty column, jumper.
...
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15 окт 2023

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Комментарии : 38

@unhtread 6 месяцев назад

I'm trying to get one of these so this inspires me more! Thanks!

@mr_floydst 6 месяцев назад

Thanks for watching! :)

@unclemick-synths 9 месяцев назад

I don't have an SY but I watched anyway! 😎

@mr_floydst 9 месяцев назад

Thanks! ;)

@jmemusic 9 месяцев назад

Some months ago, I installed one on my old PSR 9000. It works. The drive is not that easy to use at the beginning, but you get used to it. It is a really nice invention. You feel like texting on an old Nokia, if you passed the disk you want to use, you will have to go through again, lol The funny thing is that if you connect the USB directly to a PC, you will only see the first virtual diskette. Only through a software, you will be able to see the other disks.

@mr_floydst 9 месяцев назад

Thanks for watching! By using the flashfloppy firmware, you can use a normal USB stick, but you need to create image files, which is just as cumbersome as the "multiple partitions" solution of the original gotek adapter. So you're left with the choice of the lesser evil ;)

@jmemusic 9 месяцев назад

@@mr_floydst Thank you for the suggestion. The firmware update sounds good. I will try it. I think that one USB is better than having to fit several files into 100 virtual floppies, lol I'm now looking at their page, but there is no documentation about the enhancements to the Gothek, or at least I didn't find it.

@jmemusic 9 месяцев назад

Ok, I just found some of the improvements: * OLED Display instead of the 3 Digit Display * Internal Gotek Speaker to hear those floppy sounds! * Gotek Rotary knob for easily selecting that game, app or demo * Support for multiple images * Support for multiple track layouts I still don't understand them all. But I guess the rotary knob is already a good addition. Do you also have several disks with the images? Or just a big disk with all?

@mr_floydst 9 месяцев назад

It's one big USB stick and you need to build image files, as shown in the video. You don't need to add those hardware additions, just installing the firmware is enough.

@Latvian3Dman 9 месяцев назад

Shared to my Twitter friends this

@mr_floydst 9 месяцев назад

Thanks!

@DetroitMicroSound 7 месяцев назад

If my old SU700 would have had an easy to install option, to expand it's sample storage much earlier on, I bet I would still be using it today. A Zip Drive would have been decent, but an HDD really should have been the standard paripheral, instead of a floppy. I have been considering buying a minty one with all new encoders, and a microSD drive, for a while now. I know somebody who has one. Not cheap. Substantially more than I originally paid for mine- $1000USD in 1999. It seems to work great, when I played around with it last year. Loading and saving large projects, took a few short seconds, instead of minutes. Slower than many microSD capable machines today, but many times faster than the stock SU700, and my piles of 3.5's. 🤣

@mr_floydst 7 месяцев назад

Thanks for watching - of all the physical media, floppy drives are the worst. ;-) But they were cheapest back in the day, so that was the standard.

@mk500 9 месяцев назад

Cool! Those Gotek drives really are inexpensive.

@mr_floydst 9 месяцев назад

Yes they are! And the FlashFloppy firmware really adds value.

@stickyfox 9 месяцев назад

The right price! It was so disheartening seeing these things sell for US$100-$200 simply because they could.

@mushdath 9 месяцев назад

hope i can do the same with my Yamaha QY700 🙏

@mr_floydst 9 месяцев назад

Good luck with that! It's a bit fiddly, but definitely worth it!

@DawlessHouseMusic 9 месяцев назад

Have you done this mod to a QY700?

@mr_floydst 9 месяцев назад

Hi! I never owned a QY700, otherwise I would have done it eventually. ;)

@cdk2968 4 месяца назад

I bought a pre-configured emulator for the SY99. Everything seems to work (the emulator's display shows the .hfe images on the USB drive correctly) - however, when I attempt to "load from Disk" - "all synth" (or anything else), I get an "error: disk not ready" message (also "utility" - "disk status" gives an error message). I' tried several USB devices formatted (FAT-32) on different computers already - to no avail. Has anybody encountered a similar problem? Cheers!

@cdk2968 4 месяца назад

Just figured out that my "pre-configured" emulator had the jumper in the wrong position: "S0" instead of "S1", where it's supposed to be - now everything works fine.

@mr_floydst 4 месяца назад

Ah, ok. Glad it works.

@ingoodmusic 3 месяца назад

Are there any floppy emulators on the market which will work just out of the box, without these manipulations?

@mr_floydst 3 месяца назад

Depending on which keyboard or hardware you own, you might be lucky and the very cheap models will work right out of the box (or with some jumpers moved around, which you can learn about online). If you _really_ want a flexible solution that lets you set up everything with an on-screen-menu, you'll have to pay at least 4 times the price. Here's an example amzn.to/3W1z6vs

@ingoodmusic 3 месяца назад

@@mr_floydst What u mean which keyboard? I have the sy99. Do you know these cheap models which will work for sure with no extra modifications?!

@mr_floydst 3 месяца назад

@@ingoodmusic I'm sorry, I can't tell you a specific model that will work out of the box.

@wilcandou 9 месяцев назад

Must be different to the SY77 ...I got the 720kb emulator and it worked fine. Nothing required at all. Plug n Play all sweet.

@mr_floydst 9 месяцев назад

Nice! I think it really depends on the vendor and the firmware version installed. I had an older drive that kind of worked, started loading files and always displayed a "read error" after some seconds.

@terencemorgan1723 12 дней назад

My SY77 has a 26 pin ribbon cable but must connect to the emulator's 34 pin one. Did you have to get the cable and if so can you tell me frm where please?

@wilcandou 12 дней назад

@terencemorgan1723 I just used the ribbon that was in it (34). Never heard of a 26.

@terencemorgan4453 11 дней назад

@@wilcandou It seems that the Yamaha SY77 has its own version of the floppy disc. This only has a 26 ribbon cable and there is no supply plug. I have found an interfacing board which has a 34 ribbon plug which fits on the disc or emulator. It has a flat cable connector with 26 conductors but this is not a dual row connector, it has all 26 connections in a single row with 1mm pitch not the 2.54mm of the typical ribbon cable connector. It also has the 4 pin supply connector which is derived from the 26 cable and a small 4 way cable and plugs to enable it connect to the emulator. I could not find a flat cable with the end having a 26 pin female dual row connector. I have decided to order a 26 cable and female dual row plug and I will solder the individual leads to the flat cable connector on the interface board. I'll let you know if it all works.

@wilcandou 11 дней назад

@@terencemorgan4453 Wow ok... It must have been some early version in the SY series and later they went to the the 34... I can't really say. Have a look at the serial number on the back of the keyboard Mine is Q104095 ...is your's a lower number than this? Maybe the hint might be in the "Q" ...not sure.