Board Parts, Jumpers and Connectors
A26361-D1692-Z121-1-7619, Edition 1 11
USB E/F (Front Panel Header) (J46)
J46 USB E/F (Front Panel Header)
©©
©©
©©
©©
£©
Signal Pin Pin Signal
VCC 1 2 VCC
Data - 3 4
Data -
Data + 5 6
Data +
GND 7 8 GND
KEY 9 10 GND
PCI-X Slots 1 & 2 Bus Speed Override (J53)
J53 PCI-X Slots 1 & 2 Bus Speed Override
©© Open – (Default) Allows PCI slots 1 & 2 to operate at up to 133 MHz (Maximum
one PCI-X 133 device)
©© Closed – Forces PCI slots 1 & 2 to operate at a maximum bus speed of 100 MHz
Close this jumper if using more than one PCI-X 133 card on this bus
Firewire Disable Jumper (J69)
J69 Firewire Disable Jumper
©© Open – (Default) Enables onboard FireWire controller
©© Closed – Disables onboard FireWire controller
INTR – Chassis Intrusion Header (J77)
J77 INTR – Chassis Intrusion Header
Active Low ©©©
Pin 1: Presence Detect Pin 2: Case Open Pin 3: GND