My SCSI A3000 Won't Boot.....Grrrrrr

[Sandman]

Hi,

I've had a couple of SCSI harddrives that I can access in WinUAE just fine but when I put them in my A3000, it just doesn't boot......... the drive activates and spins but then the HD LED just stays constantly lit.

Machine boots just fine from floppy when the SCSI cable is disconnected.

I've tried a terminator on the external SCSI port to no avail.... there are no terminators on the MB.  No sure if I am using the right kinds of terminator or not, I'm kinda lost when in comes to SCSI.....

Just replaced barrel battery with coin-cell.... could that have something to do with it?

Thanks

[motorollin]

I'm a bit rusty when it comes to SCSI, but ISTR having a similar problem with my A1200T. IIRC I hadn't terminated the SCSI chain properly. You have to make sure the cable is terminated at both ends with the correct type of terminator - i.e. if you're using a 32 bit drive, you can't use 16 bit terminators as it would leave the upper (or lower) 16 bits unterminated. Or something Basically, make sure your terminators are appropriate for the drives and controller, and make sure there's no conflict of SCSI IDs - either with other drives or with the controller itself.

--
moto

[Zac67]

... - i.e. if you're using a 32 bit drive, you can't use 16 bit terminators as it would leave the upper (or lower) 16 bits unterminated. Or something

*LOL* - make that 16 bit and 8 bit and you're spot on. Most drives work with the narrow SCSI bits (8 bit) terminated only though, but some do require full (=wide) termination.