Intel GA-8IPXDR-E - Manual (Page 33)

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Jumper Setting
7 / 8) JP15 / JP16 (P64H2#1 Secondary PCI-X max Bus Frequency Selection)
For Giagbit LAN U6
JP15 : JP16 = 1-2 closed ; 1-2 closed
==>Set the Secondary PCI-X
max Bus frequency at 133MHz
(Default)
JP15 : JP16 = 1-2 closed ; 2-3 closed
==>Set the Secondary PCI-X
max Bus frequency at 100MHz
JP15 : JP16 = 2-3 closed ; Open
==>The Secondary PCI-X max Bus
frequency will stay at 66MHz
1
1
JP15
1
1
1
JP16
JP15
JP16
JP15
JP16
9 / 10) JP17 / JP18 (P64H2#2 Primary PCI-X max Bus Frequency Selection)
For PCI-X_3 / U320 SCSI
JP18 : JP17 = 1-2 closed ; 1-2 closed
==>Set the Primary PCI-X
max Bus frequency at 133MHz
(Default)
JP18
JP17
JP17
JP18
JP18 : JP17 = 1-2 closed ; 2-3 closed
==>Set the Primary PCI-X
max Bus frequency at 100MHz JP18
JP17