Intel RS25NB008 User Guide - Page 29

PCI Interface, LED Headers, Table 5. LED Headers Pin-out

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Pin # 16 17 18 19 20 Name PFAIL_L GND BBE BBSTROBE BBSTATUS Description Power Fail Ground Battery Backup Enabled Battery Backup Strobe Battery Backup Status PCI Interface The Intel® RAID Controller RS25NB008 must be installed into a standard x8 or larger PCI Express* slot that complies with the PCI Express Specification, Revision 2.0. The controller is PCI Express* 1.0 compatible and is backward-compatible 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 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 GFAULT_PU 330? to P3V3_DUAL P3V3_DUAL DIRTY_PU 330? to P3V3_DUAL 2 D_ACTIVE_N Connected to GFAULT Connected to Drain DIRTY Drain of of onboard MFT onboard MFT Connected to Drain of onboard MFT Intel® RAID Controller RS25NB008 Hardware User's Guide 19

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Intel® RAID Controller RS25NB008 Hardware User’s Guide
19
PCI Interface
The Intel
®
RAID Controller RS25NB008 must be installed into a standard x8 or larger
PCI Express* slot that complies with the PCI Express Specification, Revision 2.0. The
controller is PCI Express* 1.0 compatible and is backward-compatible 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_DUAL
GFAULT_PU 330? to
P3V3_DUAL
DIRTY_PU
330? to
P3V3_DUAL
2
D_ACTIVE_N
Connected to
Drain of
onboard MFT
GFAULT
Connected to Drain
of onboard MFT
DIRTY
Connected to
Drain of onboard
MFT