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Chapter 6 Hardware Installation
55
Step 5 Set Jumpers,
Continued
J8 Hard Disk LED
J8 is a four-pin connector that attaches to a cable that connects to the hard disk LED
mounted on the computer enclosure. The LED indicates data transfers.
Pin Description
1 VCC through pullup
2 SCSI Activity Signal
3 SCSI Activity Signal
4 VCC through pullup
J10 Term Power
J10 is a 2-pin jumper. The factory setting is Pins 1-2 shorted. Pins 1-2 should always be
shorted for J10 to enable onboard term power.
J15 RUBI Slot Interrupt Steering
J15 is a 3-pin jumper. You can short the pins for a standard PCI slot or
a PCI RUBI slot.
Short… For…
Pins 1-2 Standard PCI slot
Pins 2-3 PCI RUBI slot
J16, J17 RUBI Slot Interrupt Steering
J16 and J17 are 3-pin jumpers. You can short them for a one-
channel or two-channel motherboard.
Short… For…
Pins 1-2 on both jumpers 2-channel motherboard RAID
Pins 2-3 on both jumpers 1-channel motherboard