Today, I bought this Integral 128MB CompactFlash card for 44 euros. It was on a discount at some local drugstore (Trekpleister)....

I'm planning to use this card as a slave device....I already have a 32MB card which I use as master and which contains my 'system', so to speak....

The problem is, this 128MB CompactFlash card from Integral isn't recognized when inserted in Slave!! It IS recognized (as some Samsung) when I insert it as Master , but NOT when I insert it as Slave.

Why?!!?!?!? Please help.....

Dunno. It doesn't sound too solid for tha price, but alas. You might want to consider just copying the 'system' disk to the 128MB CF cart (I would use the larger one as my basic cart anyway), but aside from that I can't help you... It seems like the cart's problem, after all in practically all real life applications, digital camera's and cart readers e.d. it is used as master, so a cheap brand might not have proper support for use as a slave device.

Such things are exactly why I bought a sandisk brand CF ^_^.

~Grauw

That must be it, yes. The card doesn't want to be installed as slave device. I think I better make 2 partitions on the 128mb card. One FAT12 partition and one fat16 partition....I do have a Sandisk 32mb flashcard. I'm going to use that one as slave....I've checked it out and that indeed does work as slave....

So erhm.....Guyz.....a little warning....Don't buy this cheap Integral card if you want to use it as slave device.....It doesn't work

I have good experience with Dana-elec, relatively cheaper than sandisk
Also I have tried a 8MB that was inserted in a Kodak camera. Work also but you have to format it without partition table. But my primary is a Ibm Microdrive of 340MB
Is the fastest also and no propblems with Fat 16 also.
In your case Anne, I would try to format it first into a digital camera and than try it again. I have had also one card that was not functioning as I would. Plugged it into my camera and after that it worked good. Till today I donot understand it. But sometimes it seems that FAT12 in camera's differ from the formatting way as supposed by our Ide.
It is a pity Jon is not in the neighbourhood.

Well Rob, thank you for that. But I think formatting the card in a camera will not help. The card isn't even recognized during boot! It just says: 'Slave device not found'.....

Maybe it's a good idea to create a list of CF cards that are supported by the CF ATA-IDE?

I'm thinking of a table like this


Brand - Type - Size - Works as master - Works as slave - Supports FAT16 - Average speed


When enough submissions are there, I'm more than willing to dedicate an MRC-article to this. If anyone else would like to create and maintain such article: even better!

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Maybe it's a good idea to create a list of CF cards that are supported by the CF ATA-IDE? I'm thinking of a table like this Brand - Type - Size - Works as master - Works as slave - Supports FAT16 - Average speed When enough submissions are there, I'm more than willing to dedicate an MRC-article to this. If anyone else would like to create and maintain such article: even better!

I was already working on that cause I had promised to Rinus Stoker an article about speed etc. I will even add the adaptor that made it possible to see the memorystick/MMC /SMARTCARD/XD-picture /SD cards and the combination between those cards

Well everyone, let's submit our experiences here then. This is mine:

SanDisk CF 128MB, it is working as master, and I think as slave aswell although I have not been able to test it. This because my HD apparantly doesn't like it (neither in master nor in slave mode) so when both connected it doesn't work at all. However when in slave mode it does respond in the same way as in master mode when the HD is connected so I suspect it's ok. Average speed is 260 kb/s @ 7MHz (my HD does 230 kb/s) measured with HDSPEED.COM. Note that the results returned by HDSPEED and the other speed measurement program (er, what was it called again?) differ significantly.

There is some slight 'weirdness' with my CF adapter, it works perfectly fine when I connect it to my PSU together with my HD, however when I solely connect the CF to the PSU it doesn't, the LED starts lighting up halfway and it won't get recognized anymore. The same happened when I tried it with another (totally different) PSU, and aswell when I used my VG8235 computer. Currenly, I have my HD connected to the PSU (but not to the IDE) and that works ok. It really doesn't make sense to me at all. I intend to solve this problem at the Tilburg fair ^_^ but well, since we're sharing experiences... ;p

Aside from that formatting and using the CF went smoothly. Well, aside from my NMS8245 7MHz problems (but that doesn't concern the CF adapter in particular ^_^).

~Grauw

Kingston 32MB compactflash works fine as master and slave. Speed 180 - 280 KB/s on turboR.

Well it is first important to let us be fair as we do the test
State what program is used HDSPEED or Dosscan
Well with Dosscan I get for my Micro drive IBM 340 MB on Turbo-r a speed of 302KB , using also the R800-driver. Under HDSPEED 288
Fat 12 and Fat16 work both
So, we see that varies .meroystick from sandisk 32MB the speed is 293.

Ok here's the new stats. I used HDSPEED on turboR, and my 32MB Kingston CF cards reach 292KB/s on this setup. In Z80 mode this decreases to 138KB/s (couldn't the turboR do better than that? )

The turbo R can... I am still using the turbo R IDE BIOS made by Henrik Gilvad (it requires quite some work to port the stuff to the JDS BIOS) and Latok and I tested the speed of his CF card with my HD in the same turbo R machine. It seemed my HD was faster than the CF card.

Most CF cards weren't built for speed. But since 3+ megapixels and USB2.0 are common things, ultra-fast CF cards are hitting the streets as well...

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The turbo R can... I am still using the turbo R IDE BIOS made by Henrik Gilvad (it requires quite some work to port the stuff to the JDS BIOS) and Latok and I tested the speed of his CF card with my HD in the same turbo R machine. It seemed my HD was faster than the CF card.

Albert please respond on the issue asked for.That means speed/ master,slave under fat12 fat16 etc. I will take it as a comment with the test ,your remarks.
By me it is very close to eachtother HD and CF ,and in my case the CF-wins
Not much but ..

Afaik standard compact flash carts (not the high speed models) usually have a speed of 700 kb/s or so... if I remember correctly?

Anyways now we're talking about the IDE's speed, are you really really sure it's properly optimized for the turboR? I mean the numbers I'm getting now pretty much indicate the same speed as my 7MHz Z80H, that can't be right...

~Grauw