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Quote: Q: why it needs my external FDD to work? This may very well be because the IDE needs a DiskROM

Does it mean I can't use sunrize's CF drive on a diskless MSX ?

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if it brings a separated diskbasic, why i needs to plug the external FDD to use the IDE??????

Sounds weird. But then again there are some weird things about that interface. One of mine has to have a CD-rom connected in order to use a HDD
What kind of MSX do you use with it?

ohh!, CD rom?

that is not a problem of the IDE cartridge

that happenme with PC with an old HDD of 217MB too...

in my case with my PC, the problem was because the HDD controller was half damaged, i thinks because sometime i plug it in reverse way, so, since that it needs an CD on the same wire, the CD configured as slave.... (as an electronic technician i thinks it compensates some wrong digital signal level....

I think there are still quite some things that could (and should) be improved to the IDE-FlashROM. Unfortunately it seems like Jon de Schrijder doesn't have the time (or motivation?) to do so in the near future. Sunrise, could you shed any light on this?

To Flyguille: you could at least try and contact Jon directly. perhaps he can help you find a solution to get this working in this (for European measures) rare MSX configuration. His website can be found over here.

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i also notices that now i can't to format my disks.. (to do that i needs to unplug and use the diskbasic 1.0)... is it non compatible with my 5 1/4 FDD?

This sounds really weird, as Format is FDD controllers own function. It sounds like it your FDD controller has a bug in it's code. Can you tell more exactly, what is the problem? The FDD controller should return choice string in HL when called from #4019. If format has no choices, it should return 0. Most likely the problem is anyway, that actual format routine in #401C does not live with the work area given by OS.

You anyway don't have to unplug the cartridge. Just hold INS down while booting.

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Quote: Q: why it needs my external FDD to work? This may very well be because the IDE needs a DiskROM

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Does it mean I can't use sunrize's CF drive on a diskless MSX ?

First you need the floppydrive to start fdiskprogram for formatting.
Second to copy the necessary command2 and msxdos2.sys to the boot partition.
Remember that the first partition must always be fat12 the rest you can use for fat16 purpose.
The second question , please mail me!

flyguille, nice that you have received it.
Algorythms describes it very well and I come myself as the same conclusion as Nyrikki here.
What configuration you use exactly, name computer, drive(s) used , memory etc
Also important for everyone is that jumpersettings are correct !!
I cannot say this more often, cause its mainly the case with those old harddisks
in connection with cd-rom !

i have troubles

first, i copy all files of the sunrise disk to a 5 1/4

it boots dos 2.2

i runs FDISK310

inside fdisk, i press

A (for option automatically do partitions)

then, W (for write partition to the medium)

then, I (for initializing all the partitions) it does a kind of process... ******

then, D (displaying the partition table, selects to BOOT the first one ( i see a lot of FAT12 partitions)...

then i press W again, to write the changes

then i Quit Fdisk

then in prompt "A:" "DIR"

and i gets the error "non DOS disk"

ok, so , it needs a reset...

so, i reset the MSX, and gets the same problem

so, i enters again to FDISK310, and press D (for display the partition table)... AND FOR MY SURPRICE I SAW A DUMP OF JUNK with the warning (not valid partition table on the menu)

what i am doing wrong?

UPDATE now i select the option F (format whitout partitioning)

and only having one partition of 32MB (wasting 6.5GB) and it works fine....

It looks like you're getting closer and closer to getting things to work. Next step: Try and create some fat16 partitions ^_^. Be warned though, afaik creating new partitions with FDISK deletes all data on all partitions.

so far so good, doing a,w,i (double is not necessary).
Although you have more you can use but that is for later if you use fat16.
Let first make it work under fat12. Get the floppy out of the diskstation temprorarily
Reset was also good, you come into basic right.
Seeing you have 6 stars, so the diskdrive is drive f or g:
Insert the disk in floppydrive
And copy from for g: THE System files as follows (from basic)
Copy"f: msxdos2.sys"to"a:
Copy"f:command2.com"to"a:
Fat16 is a little more difficult , but let see you get this done first.

Snout, I donot hear him copying files to the bootpartition

Donot use formatting without partiontable , that is only useful for formatting disks 720/1.44 etc. Not for hd,ls120, cf,zip

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so far so good, doing a,w,i (double is not necessary). Although you have more you can use but that is for later if you use fat16. Let first make it work under fat12. Get the floppy out of the diskstation temprorarily Reset was also good, you come into basic right. Seeing you have 6 stars, so the diskdrive is drive f or g: Insert the disk in floppydrive And copy from for g: THE System files as follows (from basic) Copy"f: msxdos2.sys"to"a: Copy"f:command2.com"to"a: Fat16 is a little more difficult , but let see you get this done first. Seeing you have 6 stars, so the diskdrive is drive f or g: ?

6 starts?, the only one way that it works, is using (the unpartition option F)

wait, i will try again just A, W, I

result: in MSX-BASIC (booting nothing), it returns "disk i/o error" (FILES "A: " )

so i can't copy from B: (my disk) to A:

now reset again and booting with the disk, running fdisk310 again, and ...... option D .... again, junk instead the partition table

maybe to the FDISK doesn't likes big hdd like 6.5gb

Erm no , in your message I see ******= 6 times a star not starts.
F: is your diskdrive or G: NOT A,B,C,D,E !
Large files will go if you use fat16, but first get some experience in fat12
It works and many people can guarantee that