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Stillson Hammer MK 2 - Upggrade Chip to 64 sequences ?
MUFF WIGGLER Forum Index -> The Harvestman  
Author Stillson Hammer MK 2 - Upggrade Chip to 64 sequences ?
Mercutio
Hi,

Isee in the manual that

"he storage chip is a Microchip 25LC512 in DIP
package. It stores 32 sequences. You can replace it with
a new chip, and back up the data to computer by using
the Industrial Music Electronics model 1991X-2 ROM
programmer board and a Microchip PicKit2. Do not insert
or remove the chip while the module is powered up."

I see that the microchip exist in 1024... is it compatible and is the 1024 version could store 64 sequences ?
hawkfuzz
Try it out thumbs up
temaniak
By the way: is it possible to extend sample time on TSMK2 by replacing the memory chip with more memory?
Mercutio
it's the goal of my enquiry.... i love so much my SH but 32 sequences is so frutsrating;

I'm thinking to move to eloquencer or tracker but.... SH is far more playable and fun
monads
Is the programmer still available for purchase??? I can't locate.
hawkfuzz
eBay
monads
Yep...a search yielded no results. It would be a lot easier if the company just offered in their on-line store the upgraded chip already pre-programmed. The user could then just order the drop-in replacement not worrying about the programmer board. Below is the chip specifics.

Microchip 25LC1024
1Mb 2.5V SPI Serial EEPROM
hawkfuzz
Oooh, I misunderstood and thought you were asking for the Pickit.

Hm, I've swapped the memory chip before, using the recommended one. In the next part of the manual it mentions TEST MODE. That's all I did and was good to go.

I could be wrong, but I think the programmer is to save your sequence data to your computer only.
monads
Oh, ok. I already have the PicKit for upgrading firmware. If it's that easy for the memory chip upgrade I'm gonna do that immediately then. I don't have any presets worth archiving at the moment so no big deal!

Is there another available programmer one can use to archive data though???
monads
Yeah... I tried to perform the chip upgrade following the reset instructions and it didn't work. Stilson only recognized the default 32 sequences regardless. What a bummer waah
mt3
monads wrote:
Yeah... I tried to perform the chip upgrade following the reset instructions and it didn't work. Stilson only recognized the default 32 sequences regardless. What a bummer waah


Contact IME to see if they can modify the firmware so that it supports 64 sequences. Make sure you mention you already swapped out the original chip and the module functions without issue.
thumbs up
monads
Thanks!!! I sent over an email!! I was unaware it was firmware related but that makes sense!!
monads
No response after a month waah
I guess not enough user requests for this feature waah
mt3
monads wrote:
No response after a month waah
I guess not enough user requests for this feature waah


File under unsupported. Or placed in the queue under "low priority".
Worth the shot.
Mercutio
Hi asked too but didn't receive response....
Godphaser
Is there a way to backup the memory without the unavailable 1991X-2 ROM programmer board?

I have a pickit3 if it helps.
hawkfuzz
You'd have to buy a new memory chip and put it somewhere. This is what I did and it worked fine.

Also, the programmer board isn't necessary for this.
Godphaser
Nice! So you copied the chip memory into another one with just the Pickit and MPLab?

I was thinking about backing up to a computer but a spare chip could be an option.

Thanks! thumbs up
hawkfuzz
No, it's not on the computer. It's on the chip. Imagine memory cards for old gaming consoles. It's on the card.
Godphaser
Got you! Any link for the chip and maybe a how-to?

Thanks again!
hawkfuzz
It's all in the manual
Godphaser
Lol, not really but I'll figure it out.
hawkfuzz
Actually it is. The last page of text has a “Sequence Storage Chip” section.
Godphaser
Quote:
The storage chip is a Microchip 25LC512 in DIP package. It stores 32 sequences. You can replace it with a new chip, and back up the data to computer by using the Industrial Music Electronics model 1991X-2 ROM programmer board and a Microchip PicKit2. Do not insert or remove the chip while the module is powered up.When you are installing a new, blank chip into the socket, it needs to be formatted. You MUST enter TEST MODE and perform the ERASE command (by pressing the track 4 button), or the sequencer will not operate correctly.


Doesn't say much how to copy a chip but whatever.
hawkfuzz
Again, there's no chip copying function. To have a "backup" of your sequences, having another chip is, as far as I know, the easiest way to do that. So if you have 32 sequences and want to keep them, you'd take that chip out and put a brand new, unused chip in and have another 32 slots for creativity.

If you wanted to take a sequence from the first chip and put it on the second chip, afaik, you'd have to remake it, which is what I did, by writing it all down.

The programmer board is gone from what I've gathered. They weren't even available when the sequencer was released from what I recall.
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