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®
Intel Desktop Board
D845PESV Product Guide
Order Number: A99406-002
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Revision History Revision Revision History Date ® -001 First release of the Intel Desktop Board D845PESV Product Guide. July 2002 -002 Second release of the Intel Desktop Board D845PESV Product Guide. August 2002 If an FCC declaration of conformity marking is present on the board, the following statement applies: FCC Declaration of Conformity This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) this device may not cause harm
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Contents 1 Desktop Board Features Components......................................................................................................................... 9 Processor............................................................................................................................10 Main Memory ......................................................................................................................11 ® Intel 845PE Chipset...................................
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Intel Desktop Boards D845PESV Product Guide Connecting the Processor Fan Heat Sink Cable.........................................................25 Removing the Processor ............................................................................................25 Installing and Removing Memory ........................................................................................26 Installing DIMMs............................................................................................
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Contents ATAPI CD-ROM Drives ..............................................................................................63 Exit Menu ............................................................................................................................64 5 Technical Reference Board Connectors ...............................................................................................................65 Back Panel Connectors..........................................................
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Intel Desktop Boards D845PESV Product Guide Tables 1. Feature Summary.......................................................................................................... 7 2. Supported Processors ..................................................................................................10 3. RJ-45 LAN Connector LEDs .........................................................................................14 4. Front Panel Header (J9G1)............................................
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1 Desktop Board Features ® Table 1 describes the major features of Intel Desktop Board D845PESV. Table 1. Feature Summary Form Factor • ATX at 12.0 inches by 8.2 inches Processor Support for: ® ® • 533/400 MHz front side bus (FSB) Intel Pentium 4 processor in an mPGA-478 socket ® ® • 400 MHz FSB Intel Celeron processor in an mPGA-478 socket Memory • Up to two 184-pin Double Data Rate (DDR) SDRAM Dual Inline Memory Modules (DIMMs) with gold-plated contacts. Supported memory con
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Intel Desktop Board D845PESV Product Guide Table 1. Feature Summary (continued) Peripheral Interfaces • Up to six USB 2.0 ports — Four ports routed to the back panel — Two ports routed to the front panel USB header • Two IDE interfaces with Ultra DMA-33 and ATA-66/100 support • One diskette drive interface • One parallel port • One serial port † • PS/2 keyboard and mouse ports — Six PCI bus add-in card connectors Expansion Capabilities — One AGP connector BIOS • Intel/AMI BIOS •
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Desktop Board Features Components Figure 1 shows the location of the major components on Desktop Board D845PESV. A BC D E F G H BB I AA Z J Y K X L W U S Q P O R N M V T OM14703 A Audio codec O Secondary IDE connector B Front panel audio header P Primary IDE connector C Auxiliary line-in connector (ATAPI) Q Speaker D Rear chassis fan connector (fan speed control) R Battery E CD-ROM connector (ATAPI) S SCSI hard drive activity LED connector F Back panel connectors T Chassis intrusion
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Intel Desktop Board D845PESV Product Guide Processor CAUTION Failure to use an ATX12V power supply, or not connecting the additional power supply lead to Desktop Board D845PESV may result in damage to the desktop board and/or power supply. Desktop Board D845PESV supports a single Intel Pentium 4 processor or Intel Celeron processor. Processors are not included with the desktop board and must be purchased separately. The processor connects to the Intel desktop board through the mPGA478
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Desktop Board Features Main Memory NOTE ✏ ® To be fully compliant with all applicable Intel SDRAM memory specifications, the board should be populated with DIMMs that support the Serial Presence Detect (SPD) data structure. If your memory modules do not support SPD, you will see a notification to this effect on the screen at power up. The BIOS will attempt to configure the memory controller for normal operation. Desktop Board D845PESV supports system memory as defined below: • Up to
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Intel Desktop Board D845PESV Product Guide ® Intel 845PE Chipset The Intel 845PE chipset consists of the following devices: • Intel 82845PE Memory Controller Hub (MCH) with AHA bus • Intel 82801DB I/O Controller Hub (ICH4) with AHA bus • Firmware Hub (FWH) ® Intel 82845PE Memory Controller Hub (MCH) The MCH provides the processor, system memory, AGP, and hub interfaces in the Intel 845PE chipset platform. Features on Desktop Board D845PESV include: • Single processor support with 533
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Desktop Board Features Input/Output (I/O) Controller The SMSC LPC47M172 or National Semiconductor PC87372 super I/O controllers feature the following: • Low pin count (LPC) interface • Two serial ports (one via a board connector) • One parallel port with Extended Capabilities Port (ECP) and Enhanced Parallel Port (EPP) support • Serial IRQ interface compatible with serialized IRQ support for PCI systems • PS/2-style mouse and keyboard interfaces • Interface for one 1.2 MB, 1.44 MB, o
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Intel Desktop Board D845PESV Product Guide RJ-45 LAN Connector LEDs Two LEDs are built into the RJ-45 LAN connector. Table 3 describes the LED states when the board is powered up and the LAN subsystem is operating. Table 3. RJ-45 LAN Connector LEDs LED Color LED State Indicates Green Off 10 Mbit/sec data rate is selected. On 100 Mbit/sec data rate is selected. Yellow Off LAN link is not established. On (steady state) LAN link is established. On (brighter and pulsing) The computer is
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Desktop Board Features Expansion Slots Desktop Board D845PESV has the following add-in card connectors: • Six PCI bus add-in card connectors (SMBus routed to PCI bus connector 2) • One AGP connector Accelerated Graphics Port (AGP) NOTE ✏ Desktop Board D845PESV is only compatible with 1.5 V AGP cards. AGP is a high-performance interface for graphics-intensive applications, such as 3D graphics. AGP is independent of the PCI bus and is intended for exclusive use with graphical display
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Intel Desktop Board D845PESV Product Guide Security Passwords The BIOS includes security features that restrict whether the BIOS Setup program can be accessed and who can boot the computer. A supervisor password and a user password can be set for the Setup and for booting the computer, with the following restrictions: • The supervisor password gives unrestricted access to view and change all Setup options. If only the supervisor password is set, pressing at the password prompt
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Desktop Board Features CR8H1 OM14704 Figure 2. Location of Standby Power Indicator CAUTION Power supplies used with this board must be able to provide enough standby current to support the standard Instantly Available (ACPI S3 sleep state) configuration. If the standby current necessary to support multiple wake events from the PCI and/or USB buses exceeds power supply capacity, the Intel desktop board may lose register settings stored in memory. For more information on standby curren
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Intel Desktop Board D845PESV Product Guide Fan Connectors Desktop Board D845PESV has two chassis fan connectors and one processor fan connector. See Figure 11 on page 33 for the location of the fan connectors. ® Fan Speed Control (Intel Precision Cooling) Intel Precision Cooling automatically adjusts the chassis fan speeds depending on the system’s temperature. This feature reduces system fan noise by lowering the speed of the chassis fans connected to the front and rear chassis fan con
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Desktop Board Features Battery A battery on the Intel desktop board keeps the values in CMOS RAM and the clock current when the computer is turned off. See Chapter 2 starting on page 21 for instructions on how to replace the battery. Real-Time Clock Desktop Board D845PESV has a time-of-day clock and 100-year calendar. A battery on the desktop board keeps the clock current when the computer is turned off. 19
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