>From: [EMAIL PROTECTED]
>
>In a message dated 02-10-23 20:48:33 EDT, you write:
>
>> 2) I'm having a SCSI termination issue. I replaced the apple 340mb drive
>> with a IBM 1.2 gb drive. If I have anything on the external bus (Apple
>> 150 cd or Zip Plus) it boots and runs just find. If I don't have
>> anything on the bus, I get the question mark. Any suggestions?
>
>I am relatively new to all of this termination stuff; but I DO know that the
>5xx series of powerbooks are not terminated internally. I would buy one of
>those closed-end terminators and plug it (w/ the hdi-30) in the back of the
>540c to close it off; in the short term.
Tried this with a pass through terminator from an old HP SCSI scanner (25
pin on both sides) and no joy; just a blinking question mark. The only
closed ones I have are centronics, so I'll still have a bit of cable hanging
off the end if it works. Dorky but doable...
>For the long haul, I would get an internal terminator for the IBM drive.
>Maybe it is not terminated and the Apple 340mb HD was?
>
The IBM 2.5" drives (the 340 was IBM OEM to Apple) don't have termination on
the drive - it relies on on board termination; in the case of a powerbook
there are pull-up resistors on the motherboard. They appear to be
insufficent to the task with the newer disk in it. I'd rather avoid the kind
of hardware hacking needed to replace them. ;>
>Craig W.
William
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