Intel 440BX, Manual, Page: 2 / 47

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Contents
Chapter 1: Introduction ...................................................................... 1
Key Features ................................................................................... 2
Unpacking the Mainboard & Static Electricity Precautions..... 5
Chapter 2: Hardware Configuration ................................................ 6
Mainboard Component Locations ............................................... 7
CPU Installation ............................................................................. 8
Installation Procedures........................................................... 9
CPU Speed Setting ................................................................ 11
Memory Installation..................................................................... 12
J13 – DIMM Voltage Selectors ....................................... 12
Jumper Settings ............................................................................ 13
RTC – CMOS RAM Clear Selector ................................ 13
J16 – Keyboard Power On Selector ............................... 14
ATX Functions & Connectors ..................................................... 14
Software Power-Off .............................................................. 14
Modem Ring Power-On ....................................................... 15
Alarm Wake Up .................................................................... 15
Keyboard Power-On ............................................................. 15
CN1 Ð ATX Power Connector ............................................. 15
J11 (21, 22) (PWRBT) Ð Power Button and Suspend Switch
Connector ...............................................................................
16
Connectors..................................................................................... 16
External Connectors Loctaion ........................................ 17
FDC1 – Floppy Disk Drive Connector ........................... 17
IDE1/IDE2 – Primary/Secondary IDE Connectors ....... 17
J12, J14 – CPU, SYS Fan Power Connectors ................. 18
IR – Infrared Connector .................................................. 18
Case Connectors: J11............................................................. 19
J11 (2, 4, 6) (Power LED) – Power LED Connector ..... 19
J11 (8, 10) (KEYLOCK) – KeyLock Switch Connector . 19
J11 (1, 3, 5, 7) (SPK) – Speaker Connector....................
20
J11 (13, 14) (SP-LED) – Suspend LED Connector ....... ........20
J11 (15, 16) (HD-LED) – HDD LED Connector ........... 20
J11 (17, 18) (RST) – Reset Switch Connector ................ 20
J15 – Suspend Blinking LED Connector........................20
Onboard Sound Pro ..................................................................... 21
Sound and Game (on the Externals Connectors)......... 21
J19/J20 – Analog Audio from CD-ROM........................ 22
J17 – Digital Audio OUT ................................................. 23