Skip> I upgraded my system to a new MLB and a faster CPU. With the new Skip> board, I can't read or write to my ZIP drive (under Linux). I Skip> have a SCSI system, with an Adaptec 78xx controller, an Adaptec Skip> RW CDROM (also ATAPI), and the ZIP drive. Skip> Kernel: 2.4.10 I'd probably not use 2.4.10, it's got quite a few problems. Either 2.4.11-pre[45] or use the 2.4.10-acX kernels, they're more stable at this point. Skip> Under ATAPI, I've checked only use SCSI emulation and under SCSI Skip> I've checked SCSI CDROM. Is it compiled into the kernel or is it modules? Skip> My board has both conventional ATA connectors and PROMISE ATA100 Skip> connectors. The CDROM is attached to the conventional primary Skip> controller as master and the ZIP is attached to the secondary Skip> controller as master. What does dmesg say? Does it even see the device? Can you access the CDROM properly? Skip> The drives are being supported as ide-scsi devices. Parameters Skip> passed in at boot time include hda=scsi and hdc=scsi We need more info really. John John Stoffel - Senior Unix Systems Administrator - Lucent Technologies stoffel@lucent.com - http://www.lucent.com - 978-952-7548