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4 intel® 945gse northbridge chip, 1 ddr2 controller, 2 graphics – IEI Integration IEM-945GSE User Manual

Page 24: 1 analog crt (vga), Ntel, 945gse, Orthbridge

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IEM-945GSE ETX 3.0 Module

Page 12

2.4 Intel® 945GSE Northbridge Chip

The Intel® 945GSE is connected to the 1.6 GHz Intel® ATOM™ N270 CPU through the

FSB and to the Intel® ICH7M Southbridge through the DMI. The Intel® 945GSE is

connected to the SO-DIMM and supports DDR2 memory. The Intel® 945GSE also

provides graphics capabilities (described elsewhere). The Intel® 945GSE and its

connections are shown in Figure 2-4.

2.4.1 DDR2 Controller

There is one 200-pin DDR2 SO-DIMM socket on the IEM-945GSE. The socket supports

DDR2 SO-DIMM with the following specifications:

ƒ

Maximum Memory supported 2 GB

ƒ Support for DDR2 at 400 MHz and 533 MHz

ƒ No support for Dual-Channel Interleaved mode of operation

The SO-DIMM socket is shown in Figure 2-4.

2.4.2 Graphics

The Intel® 945GSE Northbridge chipset has an Intel® Gen. 3.5 integrated graphics

engine that supports the following display devices through connectors on the carrier

board:

ƒ Analog

CRT

ƒ LVDS

ƒ TV-Out

ƒ SDVO

ports

The graphics are interfaced to the carrier board through the ETX connectors shown in

Figure 2-4.

2.4.2.1 Analog CRT (VGA)

The Intel® 945GSE internal graphics engine, with an integrated 400 MHz RAMDAC and

hot plug CRT support, supports analog CRT monitors up to QXGA.