American Megatrends MegaRAID Express 500 - Manual (Page 72)

MegaRAID Express 500 Hardware Guide 58
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 Rub1 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
J12, J13 Rub1 Slot Interrupt Steering J12 and J13 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