Intel RS25DB080, Hardware User'S Manual

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Intel® RAID Controller RS25DB080 Hardware User’s Guide 21
BBU Connector Pin-out
Table 3. BBU Connector Pin-out
I2C Connector Pin-Out
Table 4. I2C Connector Pin-Out
Pin # Name Description
1 P12V 12V Power
2 GND Ground
3 BATT_PRSNT Battery Present
4 GND Ground
5 P1V8 1.8V Power
6 GND Ground
7 P3V3 3.3V Power
8 GND Ground
9 VBB_DDR_MEM DDR/DDRII Power
10 GND Ground
11 P3V3_STBY 3.3V auxiliary power
12 GND Ground
13 SCL I2C Clock
14 GND Ground
15 SDA I2C Data
16 PFAIL_L Power Fail
17 GND Ground
18 BBE Battery Backup Enabled
19 BBSTROBE Battery Backup Strobe
20 BBSTATUS Battery Backup Status
Pin Number Description
1 SMB_SAS_SES_SDA
2 GND
3 SMB_SAS_SES_SCL