CalDigit RAID Card - Manual (Page 16)

16 A. MacPro
1.19 Connect the iPass connector to CalDigit RAID Card
(Make sure the iPass connector is securely connected to CalDigit RAiD
Card's J18 Mini-SAS connector.
Note: If the length of iPass cable is not long enough to reach the
CalDgiti RAID Card, you might need to re-arrange cable wiring for
easy access of the connection.
1.20 Slide the CalDigit RAID Card into the PCI-Express slot
(Slide the CalDigit RAID Card into PCI-Express slot (slot 3). Make sure the
card is fully seated into the PCI-Express slot.
Connector on card
iPass cable