Computer Hardware Talk Computer Hardware Talk    FAQ   Search   Memberlist   Usergroups   Register   Profile   Log in to check your private messages   Log in  PlexiProbes          Computer Hardware Talk Forum Index -> PS2 Hardware View previous topic :: View next topic   Author Message UZnal Guest Posted: Tue Jun 10, 2008 5:44 pm    Post subject: PlexiProbes I am having troubles with the Plextor PlexWriter PX-412C (caddy), Mod. 95 with Nero 5 from the Plextor CD. It is the first device on the Spock bus, the second device is the Plextor CD-ROM PX-40TS which terminates the bus and has the higher SCSI ID. On burning simulation with Nero, the message is "SCSI/IDE command failed". On disk copy simulation with the PlexTools (it can only copy disks), the messages are more explicit, like "Program area empty" and "Drive reset". I have tested two PX-412C CD-Writers, with different firmware versions - 1.03 and the other with the latest 1.07. The system event log is clean regarding the Plextor drives, so I just wonder what the problem could be. The HD is on the Corvette bus, the Plextors are on the Spock bus. I had earlier the Yamaha 4416S joined by a another 12x Plextor CDROM on the Spock bus and the combo worked fine with CeQuadrat's software. I have the possibility to let Spock206 intercept the offending messages, or perhaps I should first try the LED panel version. Until then, have we had any similar PlexWriter related experiences? Back to top   Ads Advertising Sponsor William R. Walsh Guest Posted: Tue Jun 10, 2008 8:21 pm    Post subject: Re: PlexiProbes Hi! Quote: On burning simulation with Nero, the message is "SCSI/IDE command failed". The system event log is clean regarding the Plextor drives, so I just wonder what the problem could be. I don't think a real reason has ever been found for this. Some people (myself included) had no problems burning discs immediately from an IBM MCA SCSI controller. Others have had partial success after installing Force ASPI. And yet others have found they couldn't burn CDs at all from an IBM MCA SCSI adapter. Since I saw all three scenarios, I looked at what was changing between each setup. Software setup was pretty much the same on all of the systems I ever tried to burn discs with. The only difference I could find was the revision level of the Spock adapter's microcode. The later adapters worked perfectly or much better than earlier ones, at least in my experiments. The same was true of the uncached SCSI/A...I never got an early one to work at all, where the later ones (the "short card") worked fine. http://12.206.251.215/mcastuff/cdburning/ I also found that CD burning would work without question from the NCR Dual SIOP (53C710 based) and Adaptec AHA-1640 on any of the machines. The NCR 53C94 planar SCSI on the NCR 3350 also worked perfectly, despite being rather limited by its PIO interface. William Back to top   Ads Advertising Sponsor UZnal Guest Posted: Thu Jun 12, 2008 5:51 pm    Post subject: Re: PlexiProbes Quote: I don't think a real reason has ever been found for this. Some people (myself included) had no problems burning discs immediately from an IBM MCA SCSI controller. Others have had partial success after installing Force ASPI. And yet others have found they couldn't burn CDs at all from an IBM MCA SCSI adapter. Burning with Yamaha and Spock succeeded in my setup but then we have to take into account the software, in particular, the SCSI communication with the device. Perhaps both Nero and PlexTools (Plextor's tool suite) employ a similar method. PlextTools was trying to write to a position after the 99th minute, but this PX-412C drive can count only to the 89th minute. I would suspect that the SCSI Inquiry or Read Capacity command fails, in case the software requests the capacity of the disk and fails to obtain the correct figure. I am not excluding the case where both drives I tried are defective, this is not improbable. I have not had yet time to install the LED panel Spock206 to trace the commands, I hope for clues after I have done so. My initial tests were with a 700 MB blank disk, manufactured by Acer, so PlexTools. A word to the Read Capacity SCSI command: the driver translates it to the IBM SCB format to let the adapter adjust for the size of the eventual reference partition regardless of the type of the addressed SCSI device. Quote: I also found that CD burning would work without question from the NCR Dual SIOP (53C710 based) and Adaptec AHA-1640 on any of the machines. The NCR 53C94 planar SCSI on the NCR 3350 also worked perfectly, despite being rather limited by its PIO interface. Perhaps I should try to issue Read Capacity directly to the device, I have not tested this case with Spock206. 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