4 intel gm45 northbridge chipset, 1 intel® gm45 overview, 2 intel® gm45 ddr2 controller – IEI Integration PICOe-GM45A User Manual
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PICOe-GM45A Half-Size CPU Card
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2.4 Intel GM45 Northbridge Chipset
2.4.1 Intel® GM45 Overview
The Intel® GM45 Graphics and Memory Controller Hub (GMCH) supports the Intel®
Core™2 Duo processor (Penryn). The Intel® GM45 is interfaced to the processor through
a FSB.
2.4.2 Intel® GM45 DDR2 Controller
WARNING:
Only DDR2 memory module can be installed on the PICOe-GM45A.
Do not install DDR memory modules. If a DDR memory module is
installed on the PICOe-GM45A, the PICOe-GM45A may be irreparably
damaged.
There are two 240-pin DDR2 DIMM sockets on the PICOe-GM45A. The sockets support
DDR2 DIMMs with the following specifications:
Two 240-pin DIMMs
DDR2 only (DO NOT install a DDR DIMM)
Maximum Memory supported 4 GB (2 GB per rank)
Support for DDR2 at 667 MHz and 800 MHz
Single-channel or dual-channel
64-bit wide per channel
The DIMM sockets are shown in
714H
Figure 2-6 below.