Intel D845PT Intel Desktop Board D845PT/D845BG Product Guide - Page 13

Processor, Main Memory - upgrade

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Desktop Board Features Processor CAUTION Failure to use an ATX12V power supply, or not connecting the additional power supply lead to the D845PT or D845BG boards may result in damage to the desktop board and/or power supply. The boards support a single Intel Pentium 4 processor. Processors are not included with the board and must be purchased separately. The processor connects to the board through the mPGA 478-pin socket. The Intel Pentium 4 processor may be removed and replaced to accommodate supported higher speed processors. The board supports the processors listed in Table 2. Table 2. Processors Supported by the Desktop Board Type Designation (GHz) System Bus Frequency (MHz) Intel Pentium 4 processor 1.4, 1.5, 1.6, 1.7, 1.8, 1.9, 400 in an mPGA-478 package and 2.0 L2 Cache Size (KB) 256 For the latest information on supported Intel® processors for the boards, refer to the Intel customer support World Wide Web site: http://support.intel.com/support/motherboards/desktop/ For instructions on installing or upgrading the processor, see Chapter 2 on page 22. The D845PT and D845BG boards require an ATX12V compliant power supply to function according to desktop board specifications. Both boards have two ATX12V compliant power supply connectors that are needed to provide extra power to the Intel 845 chipset and Intel Pentium 4 processor. Items A and E in Figure 22 on page 70 show the two power connector locations. 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. The boards supports system memory as defined below: • Up to two 184-pin DDR SDRAM Dual Inline Memory Modules (DIMMs) with gold-plated contacts • DDR200 and DDR266 SDRAM 13

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Desktop Board Features
13
Processor
CAUTION
Failure to use an ATX12V power supply, or not connecting the additional power supply lead to the
D845PT or D845BG boards may result in damage to the desktop board and/or power supply.
The boards support a single Intel Pentium 4 processor.
Processors are not included with the board
and must be purchased separately.
The processor connects to the board through the mPGA 478-pin socket.
The Intel Pentium 4
processor may be removed and replaced to accommodate supported higher speed processors.
The board supports the processors listed in Table 2.
Table 2.
Processors Supported by the Desktop Board
Type
Designation
(GHz)
System Bus Frequency
(MHz)
L2 Cache Size
(KB)
Intel Pentium 4 processor
in an mPGA-478 package
1.4, 1.5, 1.6, 1.7, 1.8, 1.9,
and 2.0
400
256
For the latest information on supported Intel
®
processors for the boards, refer to the Intel customer
support World Wide Web site:
For instructions on installing or upgrading the processor, see Chapter 2 on page 22.
The D845PT and D845BG boards require an ATX12V compliant power supply to function
according to desktop board specifications.
Both boards have two ATX12V compliant power
supply connectors that are needed to provide extra power to the Intel 845 chipset and Intel
Pentium 4 processor.
Items A and E in Figure 22 on page 70 show the two power connector locations.
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.
The boards supports system memory as defined below:
•
Up to two 184-pin DDR SDRAM Dual Inline Memory Modules (DIMMs) with gold-plated
contacts
•
DDR200 and DDR266 SDRAM