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Intel D845PEMY - page 1
Intel ® Desktop Board D845PEMY Product Guide Order Number: C8202 9 -001 ...
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Revision History Revision Re vision History Date -001 First release of the Intel ® Desktop Board D845PEMY Product Guide July 2004 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. Operati on is subject to the follow ...
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iii Preface This Product Guide gives information about board layout, component installation, BIOS update, and regulatory requirements for Intel ® Desktop Board D845PEMY. Intended Audience The Product Guide is intended for technically qualif ied personnel. It is not intended for general audiences. Information Layout The chapters in this Product Gui ...
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Intel Desktop Board D845PEMY Product Guide iv Terminology The table below gives descriptions to some common term s used in the product guide. Term Description GB Gigabyte (1,073,741,824 bytes) GHz Gigahertz (one billion hertz) KB Kilobyte (1024 bytes) MB Megabyte (1,048,576 bytes) Mbit Megabit (1,048,576 bits) MHz Megahertz (one million hertz) Box ...
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v Content s 1 Desktop Board Features Desktop Board Components ................................................................................................. 11 Processor ...................................................................................................................... ........ 13 Main Memory .................................. ...
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Intel Desktop Board D845PEMY Product Guide vi Connecting Hardware Control and Power Cables ................................................................ 35 Connecting Fans .......................................................................................................... 36 Connecting Power Cables ......................................... ...
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Contents vii Tables 1. Feature Summary ............................................................................................................. 9 2. Desktop Board Components .......................................................................................... 12 3. Processor Support ........................................................ ...
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Intel Desktop Board D845PEMY Product Guide viii ...
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9 1 Desktop Board Features Table 1 describes the major features of Intel ® Desktop Board D845PEMY. Table 1. Feature Summary Form Factor MicroATX at 9.2 inches by 8.6 inches Processor Support for: • Intel ® Pentium ® 4 processor in an mPGA-478 socket wi th a 533/400 MHz system bus • Intel ® Celeron ® D processor in an mPGA-478 socket w ith ...
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Intel Desktop Board D845PEMY Product Guide 10 NOTE For information about this Intel desktop board, including the Technical Product Specification (TPS), BIOS updates, and device drivers, go to the Intel World Wide Web site at: http://support.intel.com/support/motherboards/desktop/ Supported Operating Systems The desktop board supports the following ...
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Intel D845PEMY - page 11
Desktop Board Featu res 11 Desktop Board Components Figure 1 shows the approximate location of the major com ponents on Desktop Board D845PEMY. OM17235 F E I J K L N O P Q H C A G B Line In USB D S R M Figure 1. Desktop Board Components ...
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Intel D845PEMY - page 12
Intel Desktop Board D845PEMY Product Guide 12 Table 2. Desktop Board Components Item Description A 12 V power connector B Rear chassis fan header C Processor socket D Processor fan header E DIMM sockets F Main power connector G Diskette drive connector H Secondary IDE connector I Primary IDE connector J Speaker K Battery L Auxiliary front panel pow ...
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Intel D845PEMY - page 13
Desktop Board Featu res 13 Processor CAUTION Failure to use an ATX12V or SFX-12V power supply, or not connecting the additional power supply lead to Desktop Board D845PEMY may resu lt in damage to the desktop board and/or power supply. Desktop Board D845PEMY supports a single Intel Pentium 4 processor or Intel Celeron processor. Processors are not ...
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Intel D845PEMY - page 14
Intel Desktop Board D845PEMY Product Guide 14 Main Memory NOTE To be fully compliant with all applicable Intel ® SDRAM memory specification addendums, the desktop 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 o ...
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Intel D845PEMY - page 15
Desktop Board Featu res 15 Intel ® D845PE Chipset The Intel D845PE chipset consists of the following: • Intel 82845PE Memory Controller Hub (MCH) with AHA bus • Intel 82801DB I/O Controller Hub (ICH4) with AHA bus • Firmware Hub (FWH) Related Link: Go to the following link for more info rmation about the Intel D845PE chipset: http://develope ...
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Intel D845PEMY - page 16
Intel Desktop Board D845PEMY Product Guide 16 LAN Subsystem The Intel 82562ET (with the Intel 82801DB ICH4) provides a Fast PCI LAN subsystem providing both 10Base-T and 100Base-TX connectivity. The Intel 82562ET provides the following functions: • Basic 10/100 Ethernet LAN connectivity • Support for RJ-45 connector with status indicator LEDs ? ...
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Intel D845PEMY - page 17
Desktop Board Featu res 17 BIOS The BIOS provides the Power-On Self-Test (POST), the BIOS Setup program, the PCI and IDE auto-configuration utilities, and the video BIOS. The BIOS is stored in the firmware hub. The BIOS can be updated by following the instructions in Chapter 3 on page 45. PCI Auto Configuration If you install a PCI add-in card in y ...
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Intel D845PEMY - page 18
Intel Desktop Board D845PEMY Product Guide 18 Chassis Intrusion The board supports a chassis security feature that de tects if the chassis cover has been removed. The security feature uses a mechanical switch on th e chassis that can be c onnected to the chassis intrusion header on the desktop board. See Figure 10 on page 35 for the location of the ...
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Intel D845PEMY - page 19
Desktop Board Featu res 19 Instantly Available PC technology enables the board to enter the ACPI S3 (Suspend-to-RAM) sleep state. While in the S3 sleep state, the computer will appear to be off. When signaled by a wake-up device or event, the system quickly returns to its last known awake state. If the system has a dual-colored power LED on the fr ...
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Intel Desktop Board D845PEMY Product Guide 20 ...
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21 2 Inst alling and Replacing Desktop Board Component s This chapter tells you how to: • Install the I/O shield • Install and remove the desktop board • Install and remove a processor • Install a AGP video adapter card • Install and remove mem ory • Connect the IDE cable • Connect internal headers • Connect fans and power cables ? ...
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Intel D845PEMY - page 22
Intel Desktop Board D845PEMY Product Guide 22 Follow these guidelines before you begin: • Always follow the steps in each pr ocedure in the correct order. • Set up a log to record information about your computer, such as model, serial num bers, installed options, and conf iguration information. • Electrostatic discharge (ESD) can damage com p ...
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Intel D845PEMY - page 23
Installing and Replacing Desktop Board Components 23 • Keying connectors when mating the wrong connectors could be hazardous If the power supply and other modules or peripherals, as applicable, are not Class B EMC compliant before integration, then EMC testing is required on a representative sample of the newly completed computer. Chassis and Com ...
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Intel Desktop Board D845PEMY Product Guide 24 Related Links: For information about replacing the ba ttery, go to page 41 in Chapter 2. Use Only for Intended Applications All Intel desktop boards are evaluated as Inform ation Technology Equipment (I.T.E.) for use in personal computers for installation in homes, offices, schools, com puter rooms, and ...
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Intel D845PEMY - page 25
Installing and Replacing Desktop Board Components 25 Installing and Removing the Desktop Board WARNING This procedure should be done only by qualifie d technical personnel. Disconnect the computer from its power source before performing the procedures described here. Failure to disconnect the power before you open the computer can resu lt in person ...
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Intel D845PEMY - page 26
Intel Desktop Board D845PEMY Product Guide 26 Installing and Removing a Processor Instructions on how to install the processor to the desktop board are given below. Installing a Processor CAUTION Before installing or removing the processor, ma ke sure that AC power has been removed by unplugging the power cord from the computer. Failure to do so co ...
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Intel D845PEMY - page 27
Installing and Replacing Desktop Board Components 27 Connecting the Processor Fan Heatsink Cable Connect the processor fan heatsink cable to the processor fan header (see Figure 5). OM17275 Figure 5. Connecting the Processor Fan Heatsink Cable to the Processor Fan Header Removing a Processor For instruction on how to remove the processor fan h eats ...
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Intel D845PEMY - page 28
Intel Desktop Board D845PEMY Product Guide 28 Installing and Removing an AGP Card CAUTION When installing any AGP card in the desktop board, ensure that it is fully seated in the AGP connector before you power on the system. If the ca rd is not fully seated in the AGP connector, an electrical short may result across the AGP c onnector pins. Dependi ...
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Intel D845PEMY - page 29
Installing and Replacing Desktop Board Components 29 Installing and Removing DIMMS CAUTION To be fully compliant with all applicable In tel SDRAM memory specification addendums, the board requires DIMMs that support the Serial Presence Det ect (SPD) data structure. You can access the PC Serial Presence Detect Specification at: http://www.intel.com/ ...
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Intel D845PEMY - page 30
Intel Desktop Board D845PEMY Product Guide 30 4. Make sure the clips at either end of the DIMM socket(s) are pushed outward to the open position. 5. Position the DIMM above the socket. Align th e two small notches in the bottom edge of the DIMM with the keys in the socket (see inset in Figure 7). 6. Insert the bottom edge of the DIMM into the socke ...
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Intel D845PEMY - page 31
Installing and Replacing Desktop Board Components 31 For correct function of the cable: 1. Observe the precautions in “Before You Begin” on page 21. 2. Attach the cable end with the single blue c onnector to the desktop board (see Figure 8, A). 3. Attach the cable end with the two closely spaced black and gray connectors to the drives (see Figu ...
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Intel D845PEMY - page 32
Intel Desktop Board D845PEMY Product Guide 32 Connecting Internal Headers Follow the instructions below to connect the US B, power LED, and front panel solutions. See Figure 9 for pin assignments. OM17240 2 1 3 4 5 6 7 10 C 8 D 13 B 2 1 3 4 5 6 7 9 8 2 1 3 4 5 6 7 9 10 A Item Description A Front panel audio B Front panel C Alternate power LED D Fro ...
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Intel D845PEMY - page 33
Installing and Replacing Desktop Board Components 33 Installing a Front Panel Audio Solution Table 6 shows the pin assignments for the front panel audio header. Table 6. Front Panel Audio Header Signal Names (J8A1) Pin Signal Name Pin Signal Name 1 AUD-MIC 2 AUD-GND 3 AUD-MIC-BIAS 4 AUD-VCC 5 AUD-FPOUT-R 6 AUD-RET- R 7 NO CONNECT ION 8 KEY 9 AUD-FP ...
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Intel D845PEMY - page 34
Intel Desktop Board D845PEMY Product Guide 34 Connecting the Front Panel Header Before connecting the front panel header, observe the precautions in “Before You Begin” on page 21. Table 7 shows the pin assignments for the front panel header. Table 7. Front Panel Header Pin Signal In/Out Description Pin Signal In/Out Description Hard Drive A cti ...
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Intel D845PEMY - page 35
Installing and Replacing Desktop Board Components 35 Connecting Hardware Control and Power Cables Figure 10 shows the location of the chassis intrusi on header, fan headers, and power connectors. OM17241 1 2 1 2 A B C D 1 E Item Description A 12 V power connector B Chassis fan header C Processor fan header D Main power connector E Chassis intrusion ...
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Intel D845PEMY - page 36
Intel Desktop Board D845PEMY Product Guide 36 Connecting Fans See Figure 10 for fan header locations. Connect the processor’s fan heatsi nk cable to the processor fan header on the board. Connect the chassis fan cable to the board fan header. Connecting Power Cables CAUTION Failure to use an ATX12V power supply, or not connecting the 12 V process ...
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Intel D845PEMY - page 37
Installing and Replacing Desktop Board Components 37 Locating the Add-in Card and Peripheral Interface Connectors Figure 11 shows the location of the PCI bus add-in card, AGP, diskette drive, and IDE connectors. OM17242 E GF AB C D Item Description A PCI bus connector 3 B PCI bus connector 2 (SMBus routed) C PCI bus connector 1 D AGP connector E Di ...
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Intel D845PEMY - page 38
Intel Desktop Board D845PEMY Product Guide 38 Setting the BIOS Configuration Jumper Block Figure 12 shows the location of the BIOS configuration jumper block. OM17243 1 3 J9H2 Figure 12. Location of the BIOS Configuration Jumper Block The three-pin BIOS jumper block enables all board configurations to be done in BIOS Setup. Table 9 shows the jumper ...
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Intel D845PEMY - page 39
Installing and Replacing Desktop Board Components 39 Clearing Passwords This procedure assumes that the board is installe d in the computer and the configuration jum per block is set to normal mode. 1. Observe the precautions in “Before You Begin” on page 21. 2. Turn off all peripheral devices connected to the computer. Turn off the computer. D ...
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Intel D845PEMY - page 40
Intel Desktop Board D845PEMY Product Guide 40 Back Panel Connectors NOTE The line out connector, located on the back pane l, is designed to power either headphones or amplified speakers only. Poor audio quality ma y occur if passive (non-amplified) speakers are connected to this output. Figure 13 shows the back panel connectors. OM17244 A B DE FH I ...
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Intel D845PEMY - page 41
Installing and Replacing Desktop Board Components 41 Replacing the Battery A coin-cell battery (CR2032) powers the real-time clock and CMOS memory. When the computer is not plugged into a wall socket, the battery has an estimated life of three years. When the computer is plugged in, the standby current from th e power supply extends the life of the ...
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Intel D845PEMY - page 42
Intel Desktop Board D845PEMY Product Guide 42 PRECAUCIÓN Existe peligro de explosión si la pila no se cambia de forma adecuada. Utilice solamente pilas iguales o del mismo tipo que las recomendadas por el fabricante del equipo. Para deshacerse de las pilas usadas, siga igualmente las instrucciones del fabricante. WAARSCHUWING Er bestaat ontploffi ...
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Intel D845PEMY - page 43
Installing and Replacing Desktop Board Components 43 AWAS Risiko letupan wujud jika bateri digantikan dengan je nis yang tidak betul. Bateri sepatutnya dikitar semula jika boleh. Pelupusan bateri terpak ai mestilah mematuhi peraturan alam sekitar tempatan. OSTRZE Ż ENIE Istnieje niebezpiecze ń stwo wybuchu w przypadku zastosowania niew ł a ś ci ...
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Intel D845PEMY - page 44
Intel Desktop Board D845PEMY Product Guide 44 To replace the battery, follow these steps: 1. Observe the precautions in “Before You Begin” on page 21. 2. Turn off all peripheral devices connected to the computer. Disconnect the computer’s power cord from the AC power source (wall outlet or power adapter). 3. Remove the computer cover. 4. Loca ...
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Intel D845PEMY - page 45
45 3 BIOS Using the BIOS Setup Program The BIOS Setup program is accessed by pressing the <F2> key after the Power-On Self-Test (POST) memory test begins and before the operating system boot begins. For the latest BIOS Setup menu options, go to the Intel World Wide Web site: http://support.intel.com/support/motherboards/desktop/ Updating the ...
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Intel D845PEMY - page 46
Intel Desktop Board D845PEMY Product Guide 46 BIOS update file contains New BIOS files, BIOS recovery files, and the Intel Flash Memory Update utility. You can obtain the BIOS update file through your computer supplier or by navigating to the D845PEMY page on the Intel World Wide Web site at: http://support.intel.com/support/motherboards/desktop/ N ...
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Intel D845PEMY - page 47
BIOS 47 1. Turn off the computer, disconnect the comput er’s power cord, and disconnect all external peripherals. 2. Remove the computer cover and locate th e configuration jumper block (see Figure 12). 3. Remove the jumper from all pins as show n below to set recovery mode for Setup. 3 1 4. Insert the bootable BIOS update diskette into diskette ...
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Intel D845PEMY - page 48
Intel Desktop Board D845PEMY Product Guide 48 ...
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49 4 Desktop Board Resources Memory Map Table 10. System Memory Map A ddress Range (decimal) Address Range (hex) Size Description 1024 K - 2097152 K 100000 - 7FFFFFFF 2047 MB Ex tended Memory 960 K - 1024 K F0000 - FFFFF 64 KB Runtime BIOS 896 K - 960 K E0000 - EFFFF 64 KB Reserved 800 K - 896 K C8000 - DFFFF 96 KB Available high DOS memory (open t ...
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Intel D845PEMY - page 50
Intel Desktop Board D845PEMY Product Guide 50 Interrupts Table 12. Interrupts IRQ System Resource NMI I/O channel check 0 Reserved, interval timer 1 Reserved, keyboard buffer full 2 Reserved, cascade interrupt from slave PIC 3 COM2* 4 COM1* 5 LPT2 (Plug & Play option) / ** 6 Diskette drive controller 7 LPT1* 8 Real time clock 9 ** 10 ** 11 ** 1 ...
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Intel D845PEMY - page 51
51 A Error Messages and Indicators Desktop Board D845PEMY reports POST errors in two ways: • By sounding a beep code • By displaying an error message on the monitor BIOS Beep Codes The BIOS beep codes are listed in Table 13. The BIOS also issues a beep code (one long tone followed by two short tones) during POST if the vide o configuration fail ...
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Intel D845PEMY - page 52
Intel Desktop Board D845PEMY Product Guide 52 BIOS Error Messages When a recoverable error occurs during the POST, the BIOS displays an error message describing the problem. Table 14. BIOS Error Messages Error Message Explanation GA20 Error An error occurred with Gate -A20 when sw itching to protected mode during the memory test. Pri Master HDD Err ...
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Intel D845PEMY - page 53
Error Messages and Ind icators 53 Table 14. BIOS Error Messages (continued) Error Message Explanation Memory Size Decreased Memory size has dec reased since the last boot. If no memory w as removed, then memory may be bad. Memory Size Increased Memory size has increas ed since the last boot. If no memory was added, there may be a problem w ith the ...
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Intel D845PEMY - page 54
Intel Desktop Board D845PEMY Product Guide 54 ...
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Intel D845PEMY - page 55
55 B Regulatory Compliance This appendix contains the following regulator y compliance information for Desktop Board D845PEMY: • Safety regulations • European Union Declaration of Conformity statement • Product Ecology statements • Electromagnetic Compatibility (EMC) regulations • Product certification markings Safety Regulations Desktop ...
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Intel D845PEMY - page 56
Intel Desktop Board D845PEMY Product Guide 56 Dansk Dette produkt er i overensstemmelse m ed det europæiske direktiv 89/336/EEC & 73/23/EEC. Dutch Dit product is in navolging van de bepa lingen van Europees Directief 89/336/EEC & 73/23/EEC. Suomi Tämä tuote noudattaa EU-direktiivin 89/336/EEC & 73/23/EEC määräyksiä. Français Ce ...
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Intel D845PEMY - page 57
Regulatory Compliance 57 EMC Regulations Desktop Board D845PEMY complies with the EMC re gulations stated in Table 16 when correctly installed in a compatible host system. Table 16. EMC Regulations Regulation Title FCC Class B Title 47 of the Code of Feder al Regulations, Parts 2 and 15, Subpart B, Radio Frequency Devices. (USA) ICES-003 (Class B) ...
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Intel D845PEMY - page 58
Intel Desktop Board D845PEMY Product Guide 58 Product Certification Markings (Board Level) Desktop Board D845PEMY has the following product certification markings: Table 17. Product Certification Markings Description Mark UL joint US/Canada Recognized Component mark. Includes adjacent UL file number for Intel desktop boards: E210882 (component side ...
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