Barracuda 9LP Installation Guide, Rev. E

53

WC drives

Applicable jumper options

Options available for all models are selected by jumpers as illus- trated in Figures 17 through 19.

Delay Motor Start option

Pin 1

J2 R

R R R

E D M W P E E E

S S E P D S S S

The host system has complete control over motor start functions. Do not install a jumper on these pins.

Enable Motor Start option

The host system has complete control over motor start functions. Do not install a jumper on these pins.

Write Protect option

Write protect = Off (enables writing)

Write protect = On (disables writing)

Parity Check option

Enable parity check of SCSI bus.

(default)

(default)

(default)

(default)

Disable parity check.

J2 Jumper Plug

(enlarged to show detail)

J2

J6

Drive

Front

Figure 17. Jumper options for “WC” drives

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Seagate ST34573N/W/WD/LW/WC/LC, ST39173N/W/WD/LW/WC/LC manual WC drives, Applicable jumper options