ProLiant DL140 Generation 2 Server Maintenance and Service Guide

Connectors, switches, and LEDs 59
Item Component code Component
21 CN40 9-pin connector for the front USB 2.0 ports
22 — Airflow regulator for the front system fans 1 - 4
23 CN35 and CN37 4-pin system fan connectors (for system fans 5 and 6)
24 BUZ1 Internal buzzer
25 CN15 8-pin ATX processor power connector
26 SATA1 and SATA2 7-pin 150-MBps SATA connectors
27 SW2 NMI (non-maskable interrupt) switch
28 SW1 System configuration switch (dip switch)
29 CN21 24-pin ATX system board power connector
30 CN18 4-pin I
2
C connector for PSU
31 — PCI retainer bracket
32 CN12 Front panel board connector
33 BT1 3 V internal lithium system battery
34 U54 BIOS flash EEPROM (Electrically Erasable Programmable Read-Only Memory)
35 CN16 IDE data cable connector
36 U52 SMSC LPC47M192 Super I/O chipset
37 U40 Intel 82801ER ICH5R (I/O controller hub) chipset (south bridge)
38 CN25 PCI Express slot
39 CN26 LPC debug connector
40 U26 Intel 6700 PXH (PCI-X hub) chipset (PCI bridge)
41 SLOT1 and SLOT2 64-bit/133 MHz 3.3 V PCI-X slots
42 U34 ATI Rage XL VGA chipset
43 U51 Samsung K4S643232H-TC60 VGA SDRAM
44 U122 IC61LV25616-10T BMC SRAM
45 U139 SMSC LAN91C113I-NC LAN controller (10/100 Mbps)
46 U119 BMC flash EEPROM
47 U120 QLogic Zircon UL BMC (Baseboard Management Controller)