On Tue, 12 May 2020 07:34:08 +0200, Fabrizio Diversi via Ql-Users wrote: > I am in the middle of multiple tests with CF/IDE and SD/IDE readers with > different type/size of CF and SD > > Few words about the 2 machine I am using : > > - Q40 with 1 IDE controller card with primary channel (master/slave) and > secondary (master/slave) on the same Card so in total 4 IDE devices:
Wow, you are lucky to have one of those !... They were pretty rare, even back in the 90s, when the ISA bus was reigning in PCs. I never could get my hands on any in France, and I did search a lot ! > as primary master I have a classic 80 GB IDE HD (2 atari partition), as > slave I have a CDROM. On the secondary channel as a master I have an > IDE/CF adapter. (StarTech 3.5 Drive Bay IDE to single CF SSD adapter > card reader). The second ISA slot is occupied by ethernet card. SMSQ/E > 2.92 on rom, then I load newer SMSQ/E (3.36) from primary master disk. > All the different combination of CF/SD I use on the StarTech are fine. > The system is working well and stable . Q40 is very tolerant with any > CF/SD reader I tried to used: I also replaced main primary (master) > classic 80 GB with a single SD reader (Kalea Informatique - Adapteur > Convertisseur IDE 3.5 40 pin vers SD Card) and also everything works > fine..... Which makes me wonder whether this could be a problem with the IDE controller on the ISA card, since it is this controller that "speaks" with the IDE devices... Yours could be of better quality, or have a wider range/more tolerant timings than mine... I might give a try with another multi I/O card, and see if I get better results with it. So far, whichever CF Card I plugged into the passive CF-Card to IDE adapter failed with I/O errors and lost interrupts reported by Linux and corrupted data when using them under SMSQ/E. I also received and tried with these two items in chain: 1.- IDE to SATA adapter: https://www.amazon.fr/gp/product/B00EOJNGC2 2.- SATA to SDHC card adapter: https://www.amazon.fr/gp/product/B0033RB2KE Here again, a total failure... Note that the IDE to SATA adapter works just fine under Linux when a SATA HD is plugged in it, but causes immediate crash under SMSQ/E as soon as I try to access the HD in any way (even for reading a single sector). Truth to be told, the ATA driver is very loosely (with regards to the ATA protocol) implemented in SMSQ/E (I know first hand, for when I wrote the ATAPI CD-ROM driver for the Q60, I came across problems due to failures to respect the DRQ and BUSY bits by the ATA driver of SMSQ/E, and I had to recourse to slower transfer methods in atomic (supervisor only) mode in my own driver to avoid data corruptions and crashes). I returned #2 to Amazon, and kept #1 (I'll use it for the PC in which sits my QXL). > - Q60: SMSQ/E 2.98 on Rom, 2 IDE cards ESIO v2.1, no ethernet. I had > also in the past a 2 slot ISA riser card to use the 2 IDE controller at > the same time with ethernet card (used with linux Shoestring), but at > the moment I removed the riser card (and linux) and I use the 2 IDE > cards in the single ISA slotᅵ with no Ethernet. An ISA riser/extender would be a nice thing to have... Sadly, they seem to sell at deliriously high prices, when you can find one on Internet. > as slave I have a toshiba 4GB SD inserted into a passive CF2SD adapter > type II (K komputer K Bay). Passive ?... I doubt it... SD cards got a serial interface, while CF cards got a parallel one (IDE-compatible). I could not find the "F2SD adapter type II K komputer K Bay" adapter on Internet. Probably not sold any more... :-/ Regards, Thierry. _______________________________________________ QL-Users Mailing List