Abaut self-made 32 Mbit cartridge

[Roman]

On a site www.shedevr.org.ru/forum/viewforum.php? f=13 there is an information about self-made re-recorded cartridge for SEGA MEGA DRIVE-II (32 Mbit Flash, more than 100000 times rewriting, record in cartridge from 1 up to 16 games, freeware the program for connection of 1-16 game files, programming through the simple adapter connected to LPT, cost up to $ 50). If someone will become interested, I can inform details.

[oompa loompa]

what kinda package for the flash did the guy use? tsop?

[paul]

tototek.com sells 32MB and 64MB flash carts ($70/$100). I've got one but haven't had a chance to try programming it yet. It works great with the few games that came on it though.

[oompa loompa]

hehe, hasn't anyone made a homemade cartridge themselves with the newer kind of flash?

[Roman]

Microcircuit FLASH in the case tsop-48. The radiodetails are located in the case usual SEGA-cartridge. Above are available external jumpers, with which the amount of games from 1 up to 16. The programmer is made on separate board and contains 7 microcircuits HC. Still there is a variant of cartridge with built-in RAM and battery for saving of games. There are samples on sale, only it far from Russia.
The games are programmed without problems 32 Mbits

[Fonzie2]

I also made my own 32MB flash (up to 16 games) using tsop flashs (M29F016B90N)*2...
Just to say, forget it. TsoP packtage are way too hard to solder.

[paul]

Programmed a game onto the Tototek 32MB cart last night and it worked great. It does include battery backed RAM for save games.

[oompa loompa]

tsop-48................................ ew, i agree with fonzie, there is no way you'll be able to solder these unless you have some super 1337 human powers, and some solder wick. there is also the toaster oven method, i haven't used this before, but i heard it works okay

the totek cart is a good way to go for when you're allergic to the soldering iron =P, because at least those carts work =D

[Roman]

In SEGA-cartridge there is one FLASH-microcircuit 32Ì. It is cheaper, than two microcircuits till 16M. A total price of a complete set the programmer-cartridge $35-40, up to $ 50 at the expense of transfer (though I did not specify, how much there will be a price of transfer for the large distances).
The soldering tsop-48 on model board through thin wires is really difficultly. But is made printed board (them separately offer to sale) and tsop-48 the soldering through a magnifying glass x6 for 20 minutes.

[oompa loompa]

uhm
sounds cool =D

[Fonzie2]

"there is no way you'll be able to solder these "
Héhé, I was able to do that but using an infamous technique:


I printed the pcb using UV (dual side), i put the flash on it, i soldered all the pins together (making a big 1cm line of soldering) and i drained out (using a Cu draining tool) all the solder leaving the flash just soldered perfectly to the pcb.

I have to agree, it's more a lucky shot than an hi-accurency technique ;D.

The method that should be cool to use is, the chimical (with dusty soldering glue) technique or, as you say, devster, the soldering waves.

[oompa loompa]

the Cu draining tool is the same as solder wick? (we call it solder wick in my country, the same as a copper braided strip =P)

[Fonzie2]

;D
I mean:
The sort of cord of Cu (interlaced) and when you heat it , this "drink" the exed solder...
This is used to recover a bad soldered thing or to disolder a chip... Or to solder a TSOP48 using my infamous method

Héhé, hard to explain ^^.

[Tom Maneiro]

masterra.chat.ru/adapters.htm

[oompa loompa]

the adapter+socket is actually worth more than the flash memory itself =)