Dell Precision T3400 (Late 2007) - Manual (Page 149)

Adding and Replacing Parts
149
Power Supply DC Connector Pin Assignments
* 375-W PSU shown
7 main power connector
(POWER) 8 SATA connectors
(SATA2, SATA3, SATA4,
SATA5) 9 FlexBay connector
(USB1)
10 password reset jumper
(RTCRST_PSWD)
11 chassis intrusion
header (INTRUDER)
12 PCI card slot (SLOT1)
13 PCI Express x16 card
slot (SLOT2)
14 PCI Express x8 card
slot wired as x4
(SLOT3)
15 PCI Express x16 card
slot (SLOT4)
16 PCI card slots (SLOT5,
SLOT6)
17 SAS Card Activity LED
(AUX_LED)
18 floppy drive (FLOPPY)
19 uDOC connector
(UDOC1)
20 serial connector
(SERIAL2)
21 card cage fan
(FAN_CARD_
CAGE)
22 internal speaker
connector (INT_SPKR)
23 processor fan
connector (FAN_CPU)
24 processor connector
(CPU)