Hardware User's Guide

Intel® RAID Controller RS25SB008 Hardware User’s Guide 19
PCI Interface
The Intel
®
RAID Controller RS25SB008 must be installed into a standard x8 or larger
PCI Express* slot that complies with the PCI Express Specification, Revision 3.0. The
controller is backward-compatible with PCI Express* 1.0/2.0 and with x8 or larger slots that
are wired with x1, x2, and x4 PCI Express* lanes.
LED Headers
There are 3 2-pin right angled headers present on the board and these headers are used for
connection to external LED which indicate activity on any of the connected HDDs,
indicate fault on any of the connected HDDs and to indicate a pending write command.
Table 5. LED Headers Pin-out
16 PFAIL_L Power Fail
17 GND Ground
18 BBE Battery Backup Enabled
19 BBSTROBE Battery Backup Strobe
20 BBSTATUS Battery Backup Status
Pin # Name Description
HDD Activity Header (J2A1) HDD Fault Header (J1A2) Write Pending Header (J1A1)
Pin # Name Description Name Description Name Description
1 D_ACTIVE_PU 330? to
P3V3_DU
AL
GFAULT_PU 330? to
P3V3_DUAL
DIRT
Y_PU 330? to
P3V3_DUAL
2 D_ACTIVE_N Connected to
Drain of
on
board MFT
GFAULT Connected to
Drain
of onboard MFT
DIRTY Connected to
Drain of onboard
MFT