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Date:      Fri, 7 Feb 1997 09:07:52 +0500 (ESK)
From:      "Serge A. Babkin" <babkin@hq.icb.chel.su>
To:        julian@whistle.com (Julian Elischer)
Cc:        hackers@FreeBSD.ORG
Subject:   Re: barracuda jumbers?
Message-ID:  <199702070407.JAA10568@hq.icb.chel.su>
In-Reply-To: <32FA9B4C.41C67EA6@whistle.com> from "Julian Elischer" at Feb 6, 97 07:02:36 pm

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> 
> anyone have a good ref on this?
> they shipped me one with a hawk manual (!?)

Narrow model:

J01 (little piece of pins for 3 jumpers at the back side of
drive near to power socket, drive positioned with power
socket up and J01 down)

	Rightmost - Enable Terminator
	Left Two :
		Lower Horizontal - Term power from drive (default)
		Leftmost Vertical - Term power from bus
		Middle Vertical - Term power to bus
		Both vertical - Term power to bus and drive
		
J4 (long line of jumpers near the power socket, drive positioned
with J4 down, power jacket left, jumpers lister left to right)

	ID4
	ID2
	ID1
	Reserved
	Disable parity
	Enable Motor Start (drive waits for START command)
	Delay Motor Start (valid only if NOT Enable Motor Start)
	Write Protect
	Remote LED connector (top - "-", bottom - "+")
	Reserved
	Spindle Sync (top - signal, bottom - ground)


Wide model:

J01 (drive positioned with J01 and J4 down, power socket left)
	
	Right Vertical - Term power from drive
	Lower Horizontal - Term power from bus
	Upper Horizontal - Term power to bus
	Both Horizontal - Term power to bus and drive

J4 (near to J01, jumpers listed left to right)

	Reserved
	Enable Terminator
	Reserved
	Parity Disabled
	Enable Motor Start
	Delay Motor Start
	Write Protect

J5 (between SCSI socket and power socked, drive positioned with
sockets down, jumpers listed left to right)

	
	Spindle Sync (top - signal, bottom - ground)
	Remote LED connector (top - "-", bottom - "+")
	ID8
	ID4
	ID2
	ID1

Differential drives have no internal terminator, narrow differential drive
has slightly different layout of jumpers.

Hope it will help you!

-SB



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