J10 NVRAM Clear

J10 is a 2-pin connector used to clear the memory from the NVRAM, which stores RAID configuration information. Table 9-4 displays the pinout for J10.

Ta b l e 9 - 4 . J 1 0 N V R A M C l ea r P i no u t

Pin Description

1Signal

2GND

J11 Serial Port

J11 is a 3-pin header that attaches to a serial cable. Table 9-5 and Figure 9-3 display the pinout.

Ta b l e 9 - 5 . J1 1 S e r i a l Po r t P i n ou t

Pin Description

1Receive data

2Transmit data

3Ground

F i g u r e 9 - 3 . J 1 1 S e r i a l Por t P i n o u t

J11

 

3

Ground

2

Transmit Data

1

Receive Data

J13 Dirty Cache LED

J13 is a two-pin connector for an LED mounted on the computer enclosure. The LED indicates when the data in the cache has yet to be written to the storage devices. Table 9-6 displays the J13 pinout.

PERC 3/DC or PERC 3/DCL Hardware Installation

123

Page 125
Image 125
Dell manual J10 Nvram Clear, J11 Serial Port, J13 Dirty Cache LED