Step 2: Install Memory Modules - Gigabyte GA-8IGX User Manual

Step 2: Install memory modules

The motherboard has 3 dual inline memory module (DIMM) sockets, but it can only support a maximum
of 4 banks of DDR memory. DDR slot 1 uses 2 banks, DDR slot 2&3 share the remaining 2 banks.
Please refer to the following tables for possible memory configurations supported. The BIOS will
automatically detects memory type and size. To install the memory module, just push it vertically into the
DIMM Slot .The DIMM module can only fit in one direction due to the notch. Memory size can vary
between sockets.
Total Memory Sizes With Unbuffered DDR DIMM
Devices used on DIMM 1 DIMM x 64 / x 72
64 Mbit (2Mx8x4 banks) 128 MBytes
64 Mbit (1Mx16x4 banks) 32 MBytes
128 Mbit(4Mx8x4 banks) 256 MBytes
128 Mbit(2Mx16x4 banks) 64 MBytes
256 Mbit(8Mx8x4 banks) 512 MBytes
256 Mbit(4Mx16x4 banks) 128 MBytes
512 Mbit(16Mx8x4 banks) 1 GBytes
512 Mbit(8Mx16x4 banks) 256 MBytes
Notes: Double-sided x16 DDR memory devices are not support by Intel 845E/G chipset.
DDR1 DDR2
S S
D S
D D
D X
S D
S X
D:Double Sided DIMM S:Single Sided DIMM
X:Not Use
2 DIMMs x 64 / x 72
256 MBytes
64 MBytes
512 MBytes
128 MBytes
1 GBytes
256 MBytes
2 GBytes
512 MBytes
DDR3
S
S
X
D
X
D
1 1
Hardware Installation Process
3 DIMMs x 64 / x 72
256 MBytes
96 MBytes
512 MBytes
196 MBytes
1 GBytes
384 MBytes
2 GBytes
768 MBytes