03096.pdf

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52 MB Smartdrive (250-4124)
Jumper Settings
Faxback Doc. # 3096
The SmartDrive has 3 pairs of jumper pins near the 40 pin connector at the
rear of the drive.
┌────────┬───────────────┬────────────────────────────────────────────┐
Jumper
Setting
Function
├────────┼───────────────┼────────────────────────────────────────────┤
DS
jumpered*
Indicates this drive is the master drive
DS
not Jumpered
Indicates this drive is a slave drive.
├────────┼───────────────┼────────────────────────────────────────────┤
DM
Installed
Indicates that a ProDrive P40At or P80AT
is installed on the bus.
DM
not Jumpered*
Indicates that no proDrive P40At or P80AT
is installed on the bus.
├────────┼───────────────┼────────────────────────────────────────────┤
SP
Jumpered
Enables self-seek mode.
SP
not Jumpered*
Disables self-seek mode.
└────────┴───────────────┴────────────────────────────────────────────┘
NOTE: * represents default settings.
┌──────────────────────────────────────────────┐
│Jumper
Configuration for Single Drive System:
└──────────────────────────────────────────────┘
DS
Jumpered
DM
Not Jumpered
SP
Not Jumpered
┌─────────────────────────────────────────────────────────────────────────┐
│Daisy
Chain (two drive), Jumper Configuration for Primary (master) Drive:│
└─────────────────────────────────────────────────────────────────────────┘
DS
Jumpered
DM
Not Jumpered
SP
Jumpered
* Note: The owner's manual may state that SP and DS should not be jumpered
at the same time. The manual is incorrect.
┌──────────────────────────────────────────────────────────────────────────┐
│Daisy
Chain (two drive), Jumper Configuration for Secondary (slave) Drive:│
└──────────────────────────────────────────────────────────────────────────┘
DS
Not jumpered
DM
Not jumpered
SP
Not jumpered
(css 07/29/93)
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