The Auxiliary Connector On 68 Pin Models - IBM Ultrastar 36LP Installation And Reference Manual

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Driving an LED
To drive a Light Emtting Diode (LED) tie the LED Anode to pin 1 of option block J4. Tie the LED Cathode
to pin 2 of option block J4. Using the following illustration make the connections as indicated. Tie pin 2 of
J4 to pin 8 of the Auxiliary connector on the 68 pin model or to pin 77 of the 80 pin connector on the 80
pin model using the 150 Ohm resistor as indicated. This feature does not require the use of a jumper.
68pin
+5V
150 Ohms
150 Ohms

The auxiliary connector on 68 pin models

The 68 pin models contain an auxiliary connector. This connector conforms to SFF 8009 Rev 3.0 and is
typically used with a unitized connector found on external drive enclosures. The connector has a source
for +5 V dc (pin 11) and a connection (pin 8) for an LED cathode.
IBM Technology Group Support Center
+5V
Positions #1,#2 on
J-4 Jumper Block
(pin 1 of J-4) to LED Anode
(pin2 of J-4) to LED Cathode
pin 8 of AUX connector
Reserved
LED Cathode
Page 10
80pin
+5V
150 Ohms
620 Ohms
(on board) LED
0 Ohms
Auxiliary Connector
: : : : : :
ID0
ID2
+5V ID3 ID1
11 9 7 5 3 1
12 10 8 6 4 2
Reserved
Ground
Positions #1,#2 on
J-4 Jumper Block
(pin 1 of J-4) to LED Anode
(pin2 of J-4) to LED Cathode
pin 77 of 80pin connector
07N5612IG10