CompuServe Thread

#2091 ROMS upgrade

5 messages in this thread
#104886From: pat fallonJun 25, 1993 12:43 PM
Does anyone know if the hard drive controller ROMS (2091) on the A3000 motherboard can be replaced with newer versions? I have a friend with a an A3000 and an A2000. He has Syquest removable media drives for each machine, and his A3000 won't format sysquests and bombs out whenever he tries to copy large files. Put the same cartridge in his 2000 and it works fine and formats no problem. I think his A2000 has version 6.6 2091 ROMS. HE has heard that version 7.0 ROMS are now available. Anyone know if you can simply replace his older ROMS in the 3000 with the newer ROMS? Any help appreciated. Regards, Pat Fallon
#104891From: Steve AhlstromJun 25, 1993 12:59 PM
Pat, I used a Syquest on a 3000 (one of the earliest models) for 3 years. While your friend may have problems it is not due to the rom on the 3000's onboard scsi host adapter. It may be that he does not have the Syquest properly terminated.
#104935From: Mark SterlingJun 25, 1993 5:36 PM
Hmmm… My Syquest 44mb works great with my A3000 which is an early model. I am able to format, read and write with NO problems in both Amigados and MSDos. Check for proper termination or some other setup problem. Some Syquests used to have a problem with diskchanges and needed a new rom in the Syquest but this would not cause the problems you cite. Goin' AP …..Mark Sterling
#105009From: Mike SchillerJun 26, 1993 3:13 AM
Pat: The important thing here is the ROM revisions in the actual SyQuest drives. Some of the earlier ones had a problem with reselection (sometimes called disconnect/reconnect). On these drives if reselection wasn't specifically turned off they would have trouble formatting cartridges, and disk access would be even slower than floppies! 🙁 If reselection is turned off these troubles go away. I know that there's a way to turn off reselection using Microbotics RDPrep software (which they've released as freeware, and is in the libs in the AmigaVendor forum), and I know that GVP's fastprep software also supports turning off reselection, but I don't know how you would do it with HDToolBox that comes with the A3000. I use RDPrep, and have for a long time (before I got my 3000 I had a hardframe in my A2000), and I think it's the finest software available for partitioning drives, and it writes out a full RDB as well. (many programs don't use all the available options in the RDB, so they don't even write those out, GVP & ICD are 2 that I know of that do that). If your friend still has trouble with his drive after setting reselection to off, then he might have a problem with the drive. If you have any other questions regarding this, feel free to ask me, as I originally had a drive that didn't support reselection, and I'm familiar with some of the things needed to do to get around the problem. I now have a 44 meg SyQuest that DOES support reselection, and let me tell you, it makes a world of difference. In case you aren't familiar with reselection, as an example, I use the GnuTar program to backup my HDs to tape, and on a drive with reselection ON the machine can read from the drive as it writes to the tape. On a drive with reselection OFF the system would have to first read the HD, then write to the tape, then once the write is done, go back and read from the HD again, etc, etc, so if you can use reselection, you can speed up some operations on the machine. // -Mike Schiller \X/ AMIGA! On AutoPilot in sunny Fort Lauderdale
#105066From: pat fallonJun 26, 1993 2:55 PM
Thanks Mike. Good stuff. I'l see about reselection. Pat