SUPERSERVER
SCSI Enable/Disable
The SCSI Enable/Disable jumper at JA4 allows you to enable or dis- able the onboard SCSI. The nor- mal (default) position is enabled. See the table on the right for jumper settings.
SCSI Termination Enable/ Disable
Jumpers JPA1 and JPA2 allow you to enable or disable termination for the SCSI connectors. Jumper JPA1 controls SCSI channel A and JPA2 is for SCSI channel B. The normal (default) setting is open to enable (teminate) both SCSI channels. See the table on the right for jumper set- tings.
PCI-X Bus Speed Setting
Jumpers P2 and JP4 are used to set the speed of the
S C S I E na b le /D is a b le J um p e r S e tting s
(J A 4 )
Jumper |
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Position | Definition |
Pins | Enabled |
Pins | Disabled |
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S C S I C ha nne l T e rm ina tio n
E na b le /D is a b le
J um p e r S e tting s (J P A 1 , J P A 2 )
Jumper |
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Position | Definition |
O pen | Enabled |
Closed | Disabled |
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P C
P in D e finitio ns (P 2 , J P 4 )
P2 | JP4 | Speed | ||
Pins | Closed | 33 | MHz PC I | |
Pins | O pen | 66 | MHz PC I | |
Pins | Either (n/a) | 66 | MHz PC | |
Pins | Either (n/a) | 100 | MHz PC | |
Pins | Either (n/a) | 133 | MHz PC | |
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Default setting is 66 MHz PCI.
33 MHz PCI Enable/Disable
If you wish to use 33 MHz PCI cards, close J4 to force the 133 MHz
Note: if you force the slots to 33 MHz, you must set the
3 3 M H z P C I F orc e J um p e r S e tting s (J 2 9 /J P 4 )
Jumper |
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P osition | D efinition |
O pen | N ormal |
C losed | 33 MHz PCI |
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