Technical Product Specification

IntelP®P RAID Controller RS2PI008 Technical Product Specification Hardware
2.3.8 Board-to-Board BBU Interface
The Intel
®
RAID Controller RS2PI008 board can be attached to an external backup battery unit
(BBU) through the BBU board-to-board connector.
Figure 5 BBU Board-to-Board Connector
Table 2 BBU Connector Pin-out
Pin # Signal Description
1
VBB_DDR_MEM DDR/DDRII power
2 GND Ground
3 P12V +12V power
4 GND Ground
5
PFAIL_L Power fail
6
BBE Battery backup enabled
7
P1V8 1.8V power
8
BATT_PRSNT Battery present
9
P3V3_STBY 3.3V auxiliary power
10 GND Ground
11 GND Ground
12
P3V3 3.3V power
13 SCL I2C Clock
14 GND Ground
15 SDA I2C Data
16
BBSTATUS Battery backup status
17 GND Ground
18 BBSTROBE Battery Backup Strobe
19 GND Ground
20
VBB_DDR_MEM DDR/DDRII Power
2.3.9 Remote BBU Interface
The Intel
®
RAID Controller RS2PI008 board can be attached to an external backup battery unit
using a cable assembly attached to the BBU connector.
Revision 1.1
Intel order number E64396-002
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