BCM QS750 User Manual

1AMD Slot-AAGP/PCI/ISAMotherboardQS750User’s Manual

101. Introduction

112. Features22.. FFeeaattuurreess2.1 Features Of The MotherboardThe QS750 motherboard integrates the AMD Athlonmicroprocessor, memory, I/O and

122. FeaturesØ 2 Serial Ports (16C550 Fast UART Compatible)Ø 1 PS/2 Mouse Connector, 1 PS/2 Keyboard connectorØ 2 Standard USB Connector (48MHz)S

133. Installation33.. IINNSSTTAALLLLAATTIIOONN3.1 Motherboard Layout & Main PartsFLOPPYSECONDARY IDEPRIMARY IDEUSBKEYBOARD/MOUSE PRINTERCOM1/C

143. InstallationSignificant Parts ListFront Panel ConnectorsPower Switch Refer to Sec. 3.6.9Power LED Refer to Sec. 3.6.10Speaker Refer to Sec. 3.6.1

153. InstallationPrecaution Before StartStatic Electricity Damage:Static electricity can easily damage your motherboard. Observing a fewbasic precauti

163. Installation3.2 Slots And ConnectorsThis motherboard requires jumper setting for making some change.PIN 1PIN 1Note: In the following pages, the t

173. Installation3.3 CPU (Central Processing Unit)This motherboard provides a Single Edge Contact (SEC) slot and a Bridges on the board forthe AMD Ath

183. Installation1. Unfold the Retention Mechanism. 2. Place the Retention Mechanism over CPU Slot3. Push 4 lock pins into holes to fixRetention

193. Installation3.4 System Memory (DRAM)3.4.1 DIMM (Dual Inline Memory Module)The QS750 features three 168-pin DIMM sockets. You can configure the sy

2DeclarationDDeeccllaarraattiioonnRights:No part of this manual, including but not limited to the products and software described in it,may be reprodu

203. Installation3.4.3 DIMM Module CombinationsEach DIMM socket can be inserted with 8MB, 16MB, 32MB, 64MB, 128MB, 256MB,512MB DIMM. For example, th

213. InstallationThe Accelerated Graphics Port (AGP or A.G.P.) is a high performance interconnect targetedat 3D graphical display applications and is

223. InstallationWarning: When you connect a ribbon cable to these ports, you must orient the cableconnector so that the PIN 1 edge of the cable is at

233. Installation3.6.5 Front Panel connectors (J20, 15-pin)Front Panel includes headers for the following six I/O connectors:Power Switch, Power LED,

243. Installation3.6.10 Power Switch (2-pin)This connector supports the ATX case-mounted Power Switch, which in turn supportsSystem Suspend function.

253. Installation3.6.13 PS/2 Keyboard and Mouse Ports (J25)The motherboard offers 1 PS/2 Keyboard and 1 PS/2 Mouse port.3.6.14 Universal Serial Bus (U

263. Installationcharacteristics are compliant with the EIA-232-D Serial Communications Specifications.The serial ports may be remapped over other ins

273. InstallationReady To Turn On PowerCheck Again1. Is the CPU installed exactly and firmly into the socket (Sec. 3.3)?2. Are all the DRAM modules in

283. Installation

294. BIOS Setup44.. BBIIOOSS SSeettuuppThe QS750 motherboard uses AWARD BIOS,which is stored in a Flash EEPROM and can beupgraded by a floppy disk-b

3Compliance & CertificateCCoommpplliiaannccee && CCeerrttiiffiiccaatteeISO 9001 Certificate:This device was produced in our plant with a

304. BIOS Setup<↑> , <↓>Move to previous or next item<←> , <→>Move to the item in the left or right hand<Esc>Main Menu –

314. BIOS SetupA brief description of each highlighted selection appears at the bottom of the screen.CMOS Setup Utility – Copyright © 1984-1999 Award

324. BIOS SetupLoad Setup Defaults Setup defaults are factory settings for optimal-performancesystem operations.Save & Exit Setup Save settings in

334. BIOS Setup4.3.3 Hard DisksThe BIOS supports up to four IDE drives. This section does not show information aboutother IDE devices, such as a CD-R

344. BIOS SetupØ LBA (Logical Block Addressing): During drive accesses, the IDE controllerØ Transforms the data address described by sector, head, and

354. BIOS SetupNo errors POST does not stop for any errors.All errors If the BIOS detect any non-fatal error, POST stops and prompts youto take correc

364. BIOS Setup4.4 Advanced BIOS Features Setup MenuThis screen (Figure 3) contains industry-standard options additional to the core PC AT BIOS.This s

374. BIOS Setup4.4.3 External CacheCache memory is an additional memory that is much faster than conventional DRAM(systemmemory). When the CPU request

384. BIOS Setup4.4.11 Boot Up NumLock StatusToggle between On or off to control the state of the NumLock key when the system boots.When toggled on, th

394. BIOS SetupShadowing copies firmware from ROM into system RAM, where the CPU can read itthrough the 16-bit or 32-bit DRAM bus. Firmware not shadow

4Easy InstallationEEaassyy IInnssttaallllaattiioonnEasy Installation StepsThe following “Easy Installation” steps are for users accustomedto the asse

404. BIOS Setup4.5 Advanced Chipset Features Setup MenuCMOS Setup Utility – Copyright © 1984-1999 Award Software.Advanced Chipset FeaturesMove to item

414. BIOS Setup4.5.5 SDRAM ECC SettingThis item allows you to select among three methods of memory error checking: Auto,Enabled and Disabled.4.5.6 SDR

424. BIOS Setup4.6.3 IDE Primary/Secondary Master/Slave UDMAUltra DMA 33/66 implementation is possible only if your IDE hard drive supports it and the

434. BIOS SetupI/O address. The choice: 3F8/IRQ4, 2E8/IRQ3, 3E8/IRQ4, 2F8/IRQ3, Disabled, Auto.4.6.11 Onboard Parallel PortThis item allows you to det

444. BIOS Setup4.7 Power Management Setup MenuCMOS Setup Utility – Copyright © 1984-1999 Award Software.Power ManagementMove to itemsEnter Sub-MenuMod

454. BIOS SetupMin Saving Minimum power savings. Inactivity period is 1 hour in each mode(except the hard drive).4.7.3 Video Off MethodDetermines the

464. BIOS Setupan incoming call or not. It requires a PCI add-in network interface card with remote wakeupcapabilities. Please set this option to enab

474. BIOS Setup4.8 PnP/PCI Configuration Setup MenuCMOS Setup Utility – Copyright © 1984-1999 Award Software.Pnp/PCI ConfigurationMove to itemsEnter S

484. BIOS Setup4.9 PC Health Status MenuCMOS Setup Utility – Copyright © 1984-1999 Award Software.PC Health Status MenuMove to itemsEnter Sub-MenuModi

494. BIOS Setup4.10 Frequency/Voltage Control Setup MenuCMOS Setup Utility – Copyright © 1984-1999 Award Software.Frequency/Voltage ControlMove to ite

5ContentsDeclaration...2Compliance & Certif

504. BIOS Setup4.12 Set Supervisor PasswordThe BIOS Setup will not be accessible unless you enter the correct password. Select thisfunction and press

6Contents3.6.17 WOL (Wake On LAN, J16/J17)...263.6.18 CPU Fan (J9, 3-pin)...

7Contents4.5.6 SDRAM CAS Latency...414.6 Integrated Peripherals...

8Contents4.10.2 Spread Spectrum Modulated.....494.10.3 CPU Host/PCI Clock...

91. Introduction11.. IInnttrroodduuccttiioonn1.1 How To Use This ManualThis manual provides information necessary for OriginalEquipment Manufactures