Dell DC, 3, User Manual

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122 PERC 3/DC or PERC 3/DCL Hardware Installation
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J2, and J3 Termination Enable
J2, and J3 are 3-pin connectors that set the SCSI termination for each SCSI
channel. The default is OPEN. Table 9-2 displays the termination enable
settings.
J9 Onboard BIOS Enable
J9 is a 2-pin connector that enables or disables the PERC 3/DC or PERC
3/DCL onboard BIOS. The onboard BIOS should be enabled (J9
unjumpered) for normal board operation. Unjumpered is the default. Table
9-3 displays the settings for J9.
J13 Dirty cache (Write Pending) LED 2-pin header
J14 SCSI activity LED 4-pin header
J15 Channel 1 external Wide SCSI 68-pin connector
J16 Channel 0 TERMPWR enable 2-pin header
J17 I2C connector 4-pin header
J18 Channel 1 TERMPWR enable 2-pin header
Ta b l e 9 - 2 . J 2 a n d J 3 Te r m i n a t i o n E n a b l e S e t t i n g s
Jumper SCSI
Channel SCSI
Termination
Controlled by
Software
SCSI
Termination
Always
Disabled
SCSI
Termination
Always
Enabled
J2 0 Short pins 1-2 Short pins 2-3 OPEN
(default)
J3 1 Short pins 1-2 Short pins 2-3 OPEN
(default)
Ta b l e 9 - 3 . J 9 O n b o a r d B I O S E n a b l e S e t t i n g s
J9 Setting Onboard BIOS Status
Unjumpered Enabled (default)
Jumpered Disabled
Ta b l e 9 - 1 . J u m p e r S e t t i n g s
(continued)
Connector Description Type