MSX 2 and SD interface/fat16 advice

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By olliraa

Champion (325)

olliraa's picture

27-01-2011, 13:33

I have a wonderfully working Canon V-20 and Sd interface 2.2. I was thinking of buying a MSX-2 -computer because of the larger amount of ram, some great games and (if I've understood correctly) the possibility of having fat16-support for the sd interface (as it runs msx-dos 2.xx).

1. What msx 2 -computer should I buy (if choosing is possible)? I don't want any special features, just a sturdy computer to run the msx 2 -labeled games.
2. Can I/How do I get fat16-support for my sd interface?
3. If fat16-support is possible, does that really mean in practice that I can use the whole 2 gb sd card and not just the 23 megs of it (like now)?

Any advice highly appreciated as always Smile

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By W76NearDark

Paladin (684)

W76NearDark's picture

27-01-2011, 13:50

1. A machine with at least 256kb is preferable eg. a Sony HB-F700P;
2. Format the SD card as FAT16... I don't know if you still need a FAT12 partition to boor from with such an SD interface;
3. Yes you can use the whole 2gb then.

By enribar

Paragon (1128)

enribar's picture

27-01-2011, 15:20

1. I agree with NearDark, but Philips NMS-8245 is a good entry level MSX (but 128KB is not enough to play at least 50% of MSX games);

2. Yes, you'll have FAT16 support. This will be the procedure:
a) buy 2 SD 2GB cards;
b) format them in Windows with "FAT"; copy FAT16.COM inside 1 of them, insert this SD card on the rear slot;
c) turn on MSX2 with SD v.2.2: so, A: and B: will be built in drives, and C: and D: will be SD cards drives;
d) go to C: and launch manually FAT16.COM, or modify the A:AUTOEXEC.BAT adding the row "FAT16.COM";
e) you are ready to use 2 full 2GB SD cards.

3. if you want to can always make partitions to create 23MB of drives and mount DSKs (but I do not suggest you to do it).

In any case, we can help each other.

By cax

Prophet (3736)

cax's picture

27-01-2011, 16:02

128KB is not enough to play at least 50% of MSX games
50% ??? I'd say 10-15% max.

By W76NearDark

Paladin (684)

W76NearDark's picture

27-01-2011, 16:20

128KB is not enough to play at least 50% of MSX games
50% ??? I'd say 10-15% max.

I think 50% is for real when using Dos2. Otherwise the 10-15% is more likely.

By Bastiaan

Champion (333)

Bastiaan's picture

27-01-2011, 16:35

as for an msx2, bas might have some in stock, and can do a memory upgrade, see:

http://www.bas-ditta.info/verkoopenlinks/op%20de%20schappen%20engels.htm

By RetroTechie

Paragon (1563)

RetroTechie's picture

27-01-2011, 17:42

(but 128KB is not enough to play at least 50% of MSX games)
If you mean under DOS2, directly from FAT16 card, and with "games" you mean "megaROM cracks": true. Otherwise that claim is BS, for 1 simple reason: most MSX2's have 128K main RAM as standard (many Japanese MSX2/MSX2+'s even less), and therefore most existing MSX software runs on that.

An SD or CF interface does not change that equation. If it does for you, you're using it wrong. Relevant comment I made in an earlier thread:

If you have a CF or SD interface, you could prepare a flash card specifically for use with MSX-DOS1. That way you can still run much software on a 128K machine. Also 128K is enough to run DOS2 (to exchange files between another flash card & that DOS1 one), and most MSX1 software can run in 128K / DOS2 environment, perhaps with a few tricks/tweaks.

So perhaps a bit of a hassle, but certainly do-able (and IMHO still preferable over floppies).

By enribar

Paragon (1128)

enribar's picture

27-01-2011, 20:24

If you mean under DOS2, directly from FAT16 card, and with "games" you mean "megaROM cracks": true. Otherwise that claim is BS, for 1 simple reason: most MSX2's have 128K main RAM as standard (many Japanese MSX2/MSX2+'s even less), and therefore most existing MSX software runs on that.

That claim is not CdT = BS (orotidaccac) :-)
It's a warning directed to olliraa... It's not so easy to run software with card readers.
Because...
Imagine olliraa trying to run a 64KB ROM or above:
- trying with Execrom most times it says: no memory mapper etc;
- trying with Loadrom most times it crashes;
- trying with ODO: only roms <= 48KB.
This happens "for real" (not "in theory") with the SD v.2.2 and DOS2, on a NMS-8245.
This is really frustrating... Otherwise you can use tricks, but it's not so friendly for all and new users. So they will end quickly to Emulators or original cartridges.

By olliraa

Champion (325)

olliraa's picture

27-01-2011, 20:24

Thanks guys for the advice Smile I guess I'll get a SONY HB-F700P/D from Bas. It's got at least enough memory and the price is reasonable if you ask me. It's great tha I can use a whole 2 gb sd card with the fat16.com "driver" Smile Brilliant!

One point concerning the Sony: I coud not find the pinout for the monitor/rgb out at least with a 15 minute googling session (I'll hook it up to a projector as my whole "retro rack" is). Any hints for that?

By Daemos

Paragon (1951)

Daemos's picture

27-01-2011, 20:27

If you mean under DOS2, directly from FAT16 card, and with "games" you mean "megaROM cracks": true. Otherwise that claim is BS, for 1 simple reason: most MSX2's have 128K main RAM as standard (many Japanese MSX2/MSX2+'s even less), and therefore most existing MSX software runs on that.

That claim is not CdT = BS (orotidaccac) :-)
It's a warning directed to olliraa... It's not so easy to run software with card readers.
Because...
Imagine olliraa trying to run a 64KB ROM or above:
- trying with Execrom most times it says: no memory mapper etc;
- trying with Loadrom most times it crashes;
- trying with ODO: only roms <= 48KB.
This happens "for real" (not "in theory") with the SD v.2.2 and DOS2, on a NMS-8245.
This is really frustrating... Otherwise you can use tricks, but it's not so friendly for all and new users. So they will end quickly to Emulators or original cartridges.

What about using the megaflashrom? That would solve such problems.

By enribar

Paragon (1128)

enribar's picture

27-01-2011, 20:29

Hi Demos,
yes I'm planning to buy this cart, only don't know if multirom is possible...

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