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Various Pseudo Saturn cartridges

Written by cafealpha no comments
Long time no see ! It's a super long while I wanted to write about several kinds of Pseudo Saturn cartridges (other than the usual Action Replay/Gameshark couple) but as a lot of things in this blog, always postponed it.

But recently I discovered a cartridge that breaks all records in term of extra cheap design and appropriation of other people's work that now I really want to terminate this article

(Note : it's already 10 13 14 29 days after the creation of this article, and it is still not published yet ... but I do my best to finish it )

Disclaimer : I am not affiliated with the designers or developers or sellers of the cartridges below. The reviews below are just my personal opinion and may not reflect the exact contents or behavior of the cartridges. And in case of questions regarding theses cartridges, please contact their sellers instead of me.
Also, please try theses cartridges at your own risks : whatever it may be, I'm not responsible about any damage caused to your Saturn, your cartridges, your dog, your house or anything else !

And let it be clear : the first purpose of this article is to inform users that such kind of not so usual cartridges exist, so that potential users can consider about theses cartridges for their own usage.
But if a cartridge deserves to be flamed, then I don't refrain about that, especially when it concerns the appropriation of other's people work.

Saturn NinjaDrive

From what I could see, that's an Action Replay cartridge with custom label and Pseudo Saturn Kai pre-installed. The "deluxe" edition features a stylish box for the cartridge.
It probably would had been appreciated to indicate that Pseudo Saturn Kai is installed rather to rebrand everything under a different name ...

Pros :
 - The price without stylish box is not that bad
 - Pseudo Saturn Kai is pre-installed
Con :
 - It would had been fair to indicate that cartridge is made from Action Replay cart
 - There's no indication about which firmware is installed

Saturn Unlocker

That's in the same range of contents (and price) as NinjaDrive : Action Replay with Pseudo Saturn Kai pre-installed. At least there's no attempt to hide about what is installed.
A description video at the lower half of the cartridge's page shows that Pseudo Saturn 0.832 is installed, which doesn't works at all on some Japanese model 1 Saturn The video itself is quite old, so let's hope that latest version of Pseudo Saturn Kai is installed on the cartridges now

Pros :
 - Classy box and label, a must have on your collection shelf
 - Pseudo Saturn Kai is pre-installed
Con :
 - It would had been fair to indicate that cartridge is made from Action Replay cart
 - Maybe a bit expensive ?

All in One RAM Backup Cartridge

All in one cartridge, front side.
Picture credits : SaturnGuru.

I couldn't find an official homepage for this "all in one" cartridge, but this is paradoxically the most valuable cartridge in this article
This cartridge model features both Action Replay support (boot ROM and 1MB/4MB expansion RAM) and 512KB backup memory storage. In simple words, it is the result of Action Replay and official memory cartridges blended together.

The backup memory is implemented with its own flash ROM chip, in the fashion as official backup memory cartridges, thus shall provide a 99% compatible (I keep the last 1% just in case of any eventual picky game that would cause problem, but this would be surprising such one exist) and in-game support for cartridge backup memory.

Using dedicated flash ROM for backup memory unfortunately means that it will be corrupted and finally no longer accessible after many write cycles, but ... this is how official cartridges worked too
However, since boot ROM and backup memory are stored in physically different flash ROM chips, the cartridge will still boot Pseudo Saturn Kai even if backup memory chip is damaged, which is one point over Action Replay where damage of backup memory ROM means the loss of nearly all other features.

Regarding firmware installed, the ebay pages selling this cartridge model I could see so far clearly mention that latest Pseudo Saturn Kai version (v6.074 at current time) is installed, and even explain the basis regarding cartridge usage such as loading a game, or accessing Save Data Manager, etc, which is quite a fair and remarkable way of doing

A review with only praises may look a bit biased (and no, I didn't received any money nor even any email from seller of this cartridge), so I would like to critic about the electronics parts used in this cartridges : theses are the same as used in Action Replay or official backup memory cartridges.
As a consequence, the technology used is no longer produced, thus probably coming from shady old stock, or counterfeit chips factory, or recycled from vintage devices. In each case, this means that in the long term, quality may not be at the meet.

An interesting related question is "Why releasing such cartridge around 20 years late ? This could exist at the time Action Replay cartridge development was still active !".
My guess about this question is that Action Replay development and/or sales team wanted to put everything (boot ROM and cartridge memory) in a single flash ROM chip, giving birth to the "if a ROM feature breaks, the whole cartridge is bricked" cartridge architecture used in Action Replay carts.

I personally like to write to flash ROM only when upgrading cartridge firmware, so that I dropped backup memory support on Pseudo Saturn Kai lite.
So my second guess is that it motivated someone to finally merge Action Replay and backup memory cartridge in a single one ? If this guess is right, then I'm glad to have indirectly contributed to the development of this cartridge

And yes, I am the only one responsible of this backup memory feature no longer available after installing Pseudo Saturn Kai. That's a deliberate choice to avoid cartridge bricking and I will never add a feature for that, so don't hesitate to share your hate towards me in the comments of this article 

As an extra note, I could notice that several hardware variation for this cartridge model may exist, so anyone interested in purchasing such "all in one" cartridge should carefully verify it's item description page as well as features list indicated at the back side of the cartridge.
All in one cartridge : list of features available.
Picture credits : SaturnGuru.

And finally, please enjoy a picture of each sides of the cartridge PCB Theses pictures clearly indicate how the cartridge works, and were a great help when preparing this article.

All in one cartridge font side.
Left half : expansion RAM and glue logic for each chips.
Right half : flash ROM chips for cartridge firmware.
Picture credits : SaturnGuru.

All in one cartridge rear side.
Flash ROM for cartridge backup memory.
Picture credits : SaturnGuru.

Pros :
 - Supports basically nearly all the Saturn games library
   (Except the couple of games requiring their own ROM cartridge, and those others eventually not compatible with Pseudo Saturn Kai)
 - Pseudo Saturn Kai is pre-installed
 - There's no attempt to hide that Pseudo Saturn Kai is installed
Con :
 - Cartridge backup memory may deteriorate after heavy usage.

Saturn PASS

You're full of all theses cartridges to digest in a single article ? That's bad for you, because I kept the most greasy dish for the last time

Saturn PASS cartridge

This is a very simple cartridge with only boot ROM, and nothing else : no cartridge shell, and not even decoupling capacitors near the ROM chip ...
The decoupling capacitors protect neighboring components against voltage spikes : as theses apparently don't have any functional purpose, they are sometimes removed by cheap device cloners ...

Additionally, ROM chip used seems to be a UV EPROM, easily identifiable with the small round window at the center of the chip.

UV EPROM chip detail
Yes, I did hit the snapshot key around 10 times to get
the right moment when UV window is visible
(Screenshot from this video)

As a consequence, firmware update requires dedicated device to illuminate the chip with UV light prior writing of the ROM and basically can't be easily done on user side.

Additionally from being technically difficult to upgrade, Saturn PASS users will also have to enjoy the custom firmware pre-installed : apparently it's a stripped version of Pseudo Saturn (or it will be an huge coincidence that log message under "Loading CD" is the same in both firmwares) with only the bare minimum remaining :
 - No boot menu
 - "Pseudo Saturn" name changed to "Saturn PASS"
 - Addition of URL to Saturn PASS homepage
 - Removal of Pseudo Saturn credits

Saturn PASS boot screen
For unknown reason they left as-is the
log display in is_audio_cd function.
(Screenshot from this video)

Pseudo Saturn is open source, so anyone with enough skills is free to change things in the firmware to their preferences. But rebranding the whole thing and trashing credits to original development team is not how open source works.
So if someone wants to thank somebody for Saturn PASS to exist, they should refer to credits displayed in Pseudo Saturn :
Copyright 2011-2015 Pseudo Saturn Team
At a glance, removal of boot menu and only keeping the Pseudo Saturn exploit sounds a good idea, because that's one step less to do on user side before playing a game.
But except that point, it's complete crap : extra features (to verify if cartridge is working correctly or not, or to verify version of Saturn internals, etc) are no longer available, as well as credits page too.

Personally, I derived Kai from Pseudo Saturn specifically for adding features other than Pseudo Saturn exploit : memory cartridge support in previous releases, cheat codes in next release(s), and probably something more in future release(s). So removing all the menus and extra features just to spare the push of one button to play a game is "no, I won't do that"

Pseudo Saturn Kai credits page is probably just a feature to boost my own ego, but I am not the only one listed there, and everybody credited contributed for free : done on their free time and without financial compensation. So muting them is definitely not an option. Also, I made several graphic improvements when displaying credits, so I hope you will enjoy them in next release

To finish on a positive note about Saturn PASS, it should be mentioned that its price is relatively reasonable : 350 Thai Bath = around 10 US Dollars, which makes this cartridge affordable for Thailand users

Pro :
 - Affordable for Thailand users.
Cons :
 - Poor hardware design.
 - Can't upgrade firmware.
 - No credits to original firmware developers.

PS : I heard about this cartridge from furrtek. Special thanks to him for the information

Read more Various Pseudo Saturn cartridges

End of 2018 Summer vacations

Written by cafealpha 6 comments
... One month ago, I wanted to announce that I wouldn't be available for several weeks, but I was suddenly taken in a storm of bringing/taking kids to/from schoolchildren care, washing bento boxes, going to work and the usual dish-wash/throw trash/laundry/whatever daily routines

Personally, I only had two rest days at the middle of August generously offered by employer as summer holidays ... two days !! That's one day, and ... one another day  Moreover both are consecutive And  that's ... so long I fear I would forget everything about work after such a long rest
Well, more seriously I took some day-off here and there during August too, and theses were a good occasion to refresh from everyday life

As a consequence, I completely neglected my email box during this period of time. Sorry to all concerned people !
I will try to tidy-up my mail box this week, but can't guarantee that everything will be done on planned time since day work went a bit crazy recently

So here comes some lines about my summer holidays ... hey, that's my homepage which I pay for hosting and where I installed and filled this blog, so I write whatever I want on it

So if you're not interested in me talking about my life, please skip until next horizontal separator

Summer 2018 activity #1 : going to the beach

As every summer, I celebrated the lapse of one year by going to the beach : four years ago, I spent nearly two months at hospital without any occasion to go outside, so that I like to take a revenge every year
At that time, I had around 50-60% of chances to be still here today. It's good to be alive

Well, there were a bit more medusa than usual, so I didn't swam so much, but that's better than not being able to go to beach at all anyway

This is an illustration photo : the girls are just
to boost my blog audience.
And I own TI-89 calculator rather than TI-83+

The kids wanted to make a sand castle, which
ended in some kind of free-style art
Title: Japanese style toilet, by cafe-alpha kids, 2018

I like that they didn't spent half a day to do a instagram-compliant thing that would then be destroyed by the sea but had fun anyway

Summer 2018 activity #2 : watching typhoons
I don't know if that's limited to the region I live, but there were a lot of typhoons this year ! There wasn't any kind of major damage nearby, but not everybody in Japan could be that fortunate ...

Personally, it was the occasion to do some cleanup on the balcony : I trashed several things that accumulated over past year, and Mr Typhoon helped to clean up dust after that

I wish typhoon and other similar kind of natural disasters could evolve into intelligent entities to clean up earth from climate-skeptical trolls

Rare footage from the birth of a French citizen
(That's not super related with typhoons, but this is my blog,
and I write whatever I want on it )

Summer 2018 activity #3 : going to several kinds of museums
The kids like museums, especially to watch insects, machines or similar stuff. But museums close early, unfortunately.

Close at 4PM ?!
That's not a museum, but an hideout for civil workers

Always should read the little letters : "open until 4:30 PM ... but can't enter after 4PM"
The rear door was still open, so we could sneak inside anyway ... that's funny to hack museum rules

Went to aquarium too. That's a Hammerhead Shark.
And it's also a multi-purpose drawing :
tilt your screen and E.T. will appear

Summer 2018 activity #4 : watering plants
Kid bring back okra from school. One of summer vacations homework was to take care of that thing, but from the limited range I could see, only me was doing such boring duty
Mr Okra in all its glory.
I put it near the space for hanging
laundry so that I don't forget to water it

Summer 2018 activity #5 : watching Saturn for real !
Local astronomy group prepared an "Watch Jupiter, Saturn, and also a bunch of other stars I forgot their name" event ... so I was super interested in it

土星, during small explanations about how to locate things in the sky.
Saturn was so bright it's hard to miss it in the night sky
But Mars was even brighter this summer !

This was also an occasion to assemble a small telescope by oneself. That's a cheap "30 bucks" model, but with lens good enough to see Jupiter moons oO

Summer 2018 activity #6 : adventuring in Tokyo

In order to renew a identification paper, I had to go to embassy located Tokyo : this was basically one day spent in transports, except 15 minutes at the embassy itself to sign a couple of papers, have my fingerprints taken, and pay 12198 yens

That's a long time I didn't get lost in Tokyo Everything was more or less smooth in changing from plane → train/subway → bus, but in the last steps walking to the embassy, the battery of my phone decided take a little rest for the remaining of the day
I was aware that battery wouldn't last long, so I printed nearly all directions, but last "use your own foots" steps weren't detailed a lot Fortunately the "ask random people around" solution could guide me to the embassy

The return back to home without help from phone was more or less OK, and when back to home I finally could unlock my phone
Why unlock ? Because my phone's power switch is broken At a moment, I asked for an estimation to my phone carrier to get this fixed, and price was around 80 buck-ish, so I decided it would be better to live with this broken switch rather than paying that
Now, I'm used enough to my phone power in sequence that I no longer consider it as a problem, but instead as child lock feature : if kid try to play game on it while it is running on battery, it turns off after around 5 minutes

My secret method to turn the phone on is to tweak the debounce circuit with a small wire. Electronics components there are super small (which is probably why the power switch broke ...), why requires the usage of tweezers or a small pliers hence can't be done outside since I don't always bring my electronics toolbox with me when I go on travel

My phone, and its broken power switch.
I feel like MacGyver when I turn on my phone

Summer 2018 activity #7 : going to hospital
This was "just" a routine appointment for periodic screening, and everything was OK This time was the occasion to celebrate the fourth year still alive after surgery

This is an archive picture : all the "no pokemon go in hopital"
warnings were removed. Instead there was a notice that
North side parking is not available, but I didn't took a
picture of it since I doubt the average reader of this
blog is concerned by such news

End of the personal and boring news August was also a time do PCB design to celebrate the 10th birthday of my favorite PCB house
(More pragmatically, I rushed to finish PCB design until August 31st because they were offering discount coupons until that date to celebrate this event )

Among PCBs ordered, there was minor change for Gamer's Cartridge, and a small board to flash MAX3000A CPLDs used in Gamer's Cartridge.

Gamer's Cartridge PCB rev 3.3 (c)

There's nothing changed nor deleted : I just added footprints for alternate voltage regulator : I'm using this alternate regulator in another project, so I would like to unify electronic components used in order to reduce stock management/space/etc to store theses two components.
Additionally, this alternate voltage regulator is a bit easier to solder, so at the end I would like to stick with this one

CPLD flash board

That's a really simple board to interface between CPLD and programming hardware : so far I was flashing Gamer's Cartridge CPLD one by one after soldering each cartridges, but thanks to this board it may be possible to flash a batch of CPLDs in a row hence save some bits of time on my side

Read more End of 2018 Summer vacations

Back to Saturn occupations

Written by cafealpha no comments
Hi everybody, I hope you had great holidays
On my side, I was busy with holidays during second half of July and whole August, but now back normal days routine

I plan to write a blog article about my holidays, but since preparing it takes longer than initially expected, please accept this small article to give a proof I'm still alive even after an handful of typhoons that crossed here during this summer

And, as I'm back to normal days routine, I would like to introduce to you -and in exclusivity- a free virtual tour to cafe-alpha's Saturn cartridges productions facilities

... Well, I'm too lazy to take a lot of pictures, so let's introduce the cartridges warehouse #2
I own three warehouses for storing cartridges before putting them on sale :
 - Warehouse #1 : receives cartridges from production facilities, and waiting for final QA testing.
 - Warehouse #2 : stores cartridges from warehouse #1 after QA testing. Also stores cartridge labels.
 - Warehouse #3 : stores cartridges which failed QA, or cartridges not for sale such as USB dev cart, or old prototypes, etc.

Warehouse #2 front entrance.
In the background can be seen the iron table ... not for
soldering, but for clothes
Please wear helmet before entering

The inside of warehouse #2

There are several labels available for Gamer's Cartridge, and I let user to choose their favorite one during ordering process. So in order to speed-up ordering process, I usually prepare one or two cartridges with popular label ... and hope that user will choose it
Of course, I also keep remaining cartridges with Action Replay labels (as received from cartridge shells supplier) so that it is possible to respond to unusual label choice too

Capacity of warehouse #1 is similar to warehouse #2, and there are no plans of construction works to extend them : developing and assembling Saturn cartridges started as an hobby, and I really don't want all the magic and fun from this hobby to vanish by making production, management, etc as serious as a work activity

Read more Back to Saturn occupations

X-Terminator Cartridge Revival

Written by cafealpha 3 comments
This article is not about my own development experience, but from my friend XRider. Thanks a lot to him for the good work and the permission to share his pictures

First, what is a X-Terminator cartridge ? It is a Saturn flash cartridge which provides the following features :
 - 1MB expansion RAM
 - Backup memory
 - Ability to play import games
 - Cheat codes
 - Ability to search cheat codes by using standalone "X-Assist" unit

X-Terminator cartridge and X-Assist
Image taken from SegaRetro

X-Assist is particularly convenient because unlike Action Replay cartridges, it doesn't requires connection to a PC : it is true that connection to a PC provides more features (such as memory access, program upload, etc), but as "connection to PC" basically means "software support will be dropped someday", a standalone unit is a real treasure
For example, do you remember that Action Replay cartridges initially had DB25 connector ? This was for connecting the cartridge to PC via the -sold separately- Comms Link board, whose used now obsolete ISA port, and consequently not supported on nowadays PCs and/or OS.
There are some alternate solutions for connecting Action Replay to PC, whose major one is USB Data Link, but unfortunately it doesn't provides any software support for advanced features such as cheat codes search and testing.
So if you want to search cheat codes for your favorite game, X-Terminator is a good choice ! ... Okay, the user interface is in Japanese, but that's just a detail : after 200 or 300 hours learning about it, it shouldn't cause any problems

On the other hands, the major limitations are probably the lack of 4MB expansion RAM support, and using flash ROM for storing backup save data (which on the long term may brick the cartridge), but for a cartridge developed more than 20 years ago, theses limitations are quite honorable

So, once upon a time, XRider found a X-Terminator cartridge. It was a cheap auction, but on the other hand the cartridge didn't boot anymore, and the X-Assist unit wasn't included

Normal people would add this cartridge to their collection or put it on display as a decorating vintage objet Other people with engineering and electronics education background would put it on their "to repair someday" cardboard, and don't touch it for the next 20 years because they are busy with other projects or work, or real life, or all of theses at once

But XRider is none of them. XRider owns soldering tools. And knows how to use them. And really wants to fix this marvelous cartridge

So, let's try to fix the cartridge ! The first step would be to start with the most common problem, which is broken flash ROM.
In my opinion, this is the most difficult step, because it requires to desolder two chips for a total of 64 pins !
I personally can't do this because of lack of appropriate tools, so the alternate desoldering way I would had used would be to ... use a nipper and cut each pins

Fortunately, XRider likes work well done, so theses chips were removed in a clean way

X-Terminator cartridge, with flash ROM chips removed.
Additionally, all capacitors are removed too : that's
the occasion or never to replace them

Next step is a bit optional, and is about to dump removed flash ROM chips with flash ROM dumper device. This is the best way to verify if failure is due to corrupted flash ROM chips, and if still in working condition, this at least would be an occasion to dump the cartridge's firmware

Flash ROM chip on dumper device.

Dump is full of 0xFF bytes ... unless a miracle happens, theses flash ROM chips are no longer functioning  But, this comforts us regarding initial supposition of broken flash ROM chips causing cartridge not booting
Just in case of, let's verify PCB traces around flash ROM chips while theses are removed : this takes only 5 minutes to check, and it would be frustrating to find that cartridge was not working because of broken trace after soldering new flash ROM chips

PCB traces : just requires a light source
strong enough to be seen

What to do next ? Maybe use PLCC sockets so that future replacement of flash ROM chips would be easier ! That's a couple of weeks to wait for the postman, but worth the wait
PCB with PLCC32 sockets soldered

And then, simply replace the flash ROM chips

Next generation is here !

PCB with new flash ROM chips.
Additionally, new capacitors are populated

One last step remaining ! Flash ROM is mounted, but ROM itself needs to be set up with X-Terminator firmware. The simplest way to do this is to use Pseudo Saturn Kai flasher utility : it obviously allows to install Pseudo Saturn Kai, but also several other legacy firmwares in the case someone would want to revert to initial firmware after trying Pseudo Saturn Kai.

Just select the ROM version you want to install,
and follow on-screen instructions

Flashing in progress ! Will it work after that ?!

Yeehaw !!! It boot fine, mission done
Let's try with Metal Slug ...

Metal Slug works too !
So it seems there's no need to replace RAM chips

Everything finished ? No, there is a side quest remaining Among the couple of X-Terminator cartridges XRider owns, one X-Assist (pad and LCD unit used to search cheat codes) is missing.
One X-Assist available ? And another one missing ? No problem : let's reverse engineer the first one and DIY the second one

The X-Assist features two PCBs : one for connection interfacing and pad, and another one for LCD, as pictured below.

X-Assist pad/interfacing board

X-Assist LCD board

The LCD board is incredibly complex, but since it was manufactured as a whole and can still be purchased on auctions or second-hand market nowadays, there's no real interest to build it from scratch ! And I personally wouldn't try : that seems too much complex

So remaining is pad and interfacing board : fortunately it uses standard components and not any Gate Array Logic-ish components that would need to be reverse-engineered too. Simply speaking, it's like assembling LEGOs
Multi-meter, a LCD board, electronic breadboard, a bunch of wires, few electronic components ... is there something missing ? Yes ! A LOT of motivation !!

X-Assist DIY prototype, in all its glory

It's so beautiful it deserves another picture !

Let's try for real ! Of course, after verifying any eventual short-circuit with a multi-meter 
No short-circuit ? It's then ready for the "first-lighting ceremony" (火入れ式), as it is nicknamed in my neighboring ... I don't know if that's a common expression in Japan or anywhere else, but I like its naming anyway

No sparks ? No smoke ? That looks good

At first glance, that seems working ! Let's try cheat codes search feature in order to be 100% sure ...

Search unit not found ?!

Arg, it was too early to sing victory X-Assist seems not being correctly detected by X-Terminator cartridge ...
Since text could be sent to the LCD, let's assume nearly everything is working correctly, and that a small detail is causing this trouble ... after some head-scratching, XRider found what's wrong : a Zener diode that initially looked useless was used to return some ACK to X-Terminator cartridge when looking for its connection !

The X-Assist screen after adding the Zener diode :
code search memory could be captured !

65535 candidate codes ?! I'm not sure if correct cheat code could be found this time, but at least the DIY X-Assist unit works correctly now


Additional informations are available in French  on Darius forums :

Credits :
 - XRider, for the good work in game cartridges preservation
 - Darius, for gathering French community around Saturn

Read more X-Terminator Cartridge Revival

Gamer's Cartridge available back soon !

Written by cafealpha no comments
A small article to keep informed about Gamer's Cartridge availability

So, I recently went out of Dezaemon 2 themed labels. Because being game-specific, I was expecting theses labels popular only for a niche of users, and prepared stocks accordingly, but theses actually became the main choice among the few labels available for Gamer's Cartridge, without letting me time to prepare extra stock for them

Okay, I admit I didn't checked actively the stock of theses labels, and started to panic when I saw that only 1 or 2 were remaining Additionally, I didn't had a lot of time during Spring holidays too ... March is always a busy month in Japan

Next batch of Dezaemon 2 labels is currently in preparation, so please be patient until they become available
I don't prepare theses labels by myself for the simple reason that my friend Darius cut them way better than me (1), so some extra delay is required for shipping. But basically theses will be available on the second half of this month

(1) And also because my printer is barely good enough to prepare new year postcards, and jam when processing A4 paper There's also some know-how required to prepare theses labels, such as selection of paper (it is using paper designed for use on car body), as well as cutting process too, as detailed in an previous article. Without Darius, labels for Gamer's Cartridge wouldn't exist

Dezaemon 2 labels for Gamer's Cartridge
Design by Mr beebaraka, and printing/cutting by Darius.
That's probably the component I'm the least involved in,
which explains why it's the most fancy one

On a less positive note, I am in the regret to announce that I'm out of stock of black shells, and that theses are no longer available for purchase

White Saturns have their plastics fading in several tones from "pure white as on first day" to "heavy smoker's dirty yellow", making difficult to adjust color difference between Saturn body and cartridge. Black Saturns doesn't have this plastic fade problem, which was the main reason why I was providing black cartridge shells

As I'm re-using Action Replay cartridge shells for Gamer's Cartridge, and that standard color for them is white, it's very unlikely I will get black shells in the future. But anyway, that doesn't stops availability of Gamer's Cartridge itself

Black cartridges out of production !
But white ones are still available from time to time

Read more Gamer's Cartridge available back soon !

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