Figure 10-2. J14 Serial Port Diagram; Table 10-4. J14 Serial Port Pinout; Table 10-5. J17 Dirty Cache Led Pinout - Dell PowerEdge Expandable RAID Controller 3 User Manual

J14 Serial Port
J14 attaches to a serial cable. Figure 10-2 and Table 10-4 show the pinout for
J14.
F i g u r e 1 0 - 2 . J 1 4 S e r i a l P o r t D i a g r a m
Ta b l e 1 0 - 4 . J 1 4 S e r i a l P o r t P i n o u t
Pin Description
1 Carrier detect
3 Receive data
5 Transmit data
7 Data terminal ready
9 Ground
J17 Dirty Cache LED
J17 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 10-5 displays the pinout for J17.
Ta b l e 1 0 - 5 . J 1 7 D i r t y C a c h e L E D P i n o u t
Pin
1
2
J19 Onboard BIOS Enable
J19 is a 2-pin connector which enables or disables PERC 3/QC onboard
BIOS. The onboard BIOS should be enabled (J19 unjumpered) for normal
board position. Unjumpered is the default. Table 10-6 displays the J19
settings.
2 4 6 8
1 3 5 7 9
Pin Description
2 Data set ready
4 Request to send
6 Clear to send
8 Ring indicator
10 CUT
Description
Signal pulled high
Dirty cache signal
PE RC 3/ QC Har d war e In s ta l lati on
139