Gigabyte GA-8IK1100 User Manual - Page 19

Dual Channel DDR, DDR Introduction

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English DDR Introduction Established on the existing SDRAM infrastructure, DDR (Double Data Rate) memory is a high performance and cost-effective solution that allows easy adoption for memory vendors, OEMs, and system integrators. DDR memory is a great evolutionary solution for the PC industry that builds on the existing SDRAM architecture, yet make the awesome advances in solving the system performance bottleneck by doubling the memory bandwidth. Nowadays, with the highest bandwidth of 3.2GB/s of DDR400 memory and complete line of DDR400/333/266/200 memory solutions, DDR memory is the best choice for building high performance and low latency DRAM subsystem that are suitable for servers, workstations, and full range of desktop PCs. Dual Channel DDR: GA-8KNXP / GA-8IK1100 supports Dual Channel Technology. When Dual Channel Technology is activated, the bandwidth of memory bus will be double the original one,with the fastest speed at 6.4GB/s DDR400. GA-8KNXP / GA-8IK1100 includes six DIMM slots, and each Channel has 3 DIMMs as following: Channel A : DIMM 1, 2, 3 Channel B : DIMM 4, 5, 6 Below are the explanations: 1. One, three, or five DDR memory modules are installed: The Dual Channel Technology will not operate when one, three, or five DDR memory modules are installed and they will only work as Single Channel. 2. Two DDR memory modules are installed (the same memory size and type): The Dual Channel Technology will operate when two DDR memory modules are inserted individually into Channel A and Channel B (DIMM 1 pairs up with DIMM 4, DIMM 2, 5 and DIMM 3, 6). However, if the two DDR memory modules are inserted into the same Channel (DIMM 1,2,3 or DIMM 4,5,6) then Dual Channel Technology will not operate. 3. Three or five DDR memory modules are installed: Please note that The Dual Channel Technology will not operate when three or five DDR memory modules are installed; part of them will not be detected. 4. If four DDR memory modules are installed (two pairs of DDR memory modules with the same memory size and type): The Dual Channel Technology will operate when a pair of DDR memory modules are inserted into DIMM1, 4 and another pair into DIMM 2,5. - 15 - Hardware Installation Process

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Hardware Installation Process
English
- 15 -
Below are the explanations:
1.
One, three, or five DDR memory modules are installed: The Dual Channel Technology
will not operate when one, three, or five DDR memory modules are installed and they
will only work as Single Channel.
2.
Two DDR memory modules are installed (the same memory size and type): The Dual
Channel Technology will operate when two DDR memory modules are inserted indi-
vidually into Channel A and Channel B (DIMM 1 pairs up with DIMM 4, DIMM 2, 5 and
DIMM 3, 6). However, if the two DDR memory modules are inserted into the same
Channel (DIMM 1,2,3 or DIMM 4,5,6) then Dual Channel Technology will not operate.
3.
Three or five DDR memory modules are installed: Please note that The Dual Channel
Technology will not operate when three or five DDR memory modules are installed; part
of them will not be detected.
4.
If four DDR memory modules are installed (two pairs of DDR memory modules with the
same memory size and type): The Dual Channel Technology will operate when a pair
of DDR memory modules are inserted into DIMM1, 4 and another pair into DIMM 2,5.
Dual Channel DDR:
GA-8KNXP / GA-8IK1100 supports Dual Channel Technology.
When Dual Channel Technology is activated, the bandwidth of memory bus will be double the original
one,with the fastest speed at 6.4GB/s DDR400.
GA-8KNXP / GA-8IK1100 includes six DIMM slots, and each Channel has 3 DIMMs as following:
Channel A : DIMM 1, 2, 3
Channel B : DIMM 4, 5, 6
DDR Introduction
Established on the existing SDRAM infrastructure,
DDR (Double Data Rate) memory is a high
performance and cost-effective solution that allows easy adoption for memory vendors, OEMs, and
system integrators.
DDR memory is a great evolutionary solution for the PC industry that builds on the existing
SDRAM architecture, yet make the awesome advances in solving the system performance bottleneck
by doubling the memory bandwidth.
Nowadays, with the highest bandwidth of 3.2GB/s of DDR400
memory and complete line of DDR400/333/266/200 memory solutions, DDR memory is the best
choice for building high performance and low latency DRAM subsystem that are suitable for servers,
workstations, and full range of desktop PCs.