TYAN TOLEDO I3010W Manual page 18

2.4.10 – LAN1 & LAN2 Enable / Disable Jumper (JP2, JP3)
2.4.11 – PCI-X Frequency Configure (JP24)
JP2: LAN1 Enable/Disable
JP3: LAN2 Enable/Disable
JP24 is used to adjust PCI-X frequency.
Open(Default):133MHz/100MHz/66MHz;
Closed: 100MHz/66MHz
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OPEN - Enable
CLOSED– Disable
OPEN - Jumper OFF
CLOSED - Jumper ON