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Intel Desktop Board D850GB/D850GBAL Product Guide
10
Processor
CAUTION
The D850GB/D850GBAL board supports processors that have a 49.8 A maximum current draw
(1.1 to 1.85
V core). Using a processor not in compliance with these guidelines can damage the
processor, the board, and the power supply. See the processor’s data sheet for current usage
requirements.
✏
NOTE
66 MHz system bus frequency processors are not supported in this product. A hardware lockout is
provided so that if such a processor is installed, the D850GB/D850GBAL board will not power-up.
The board supports 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 423 PGA socket. The Pentium 4 processor may be
removed and replaced to accommodate supported higher speed processors.
The board supports the processors listed in Table 1.
Table 1. Processors Supported by the Desktop Board
Processor Type
Processor Frequency
(GHz)
System Bus Frequency
(MHz)
L2 Cache Size
(kB)
Intel Pentium 4 processor 1.3, 1.4, and 1.5 400 256
For the latest information on processor support for the D850GB/D850GBAL board, refer to the
Intel desktop board web site at:
http://support.intel.com/support/motherboards/desktop/
For instructions on installing or upgrading the processor, see Chapter 2.