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Step 2 Install Memory,
Supported Memory
The following table is a list of SDRAM types that are supported per bank:
DIMM
Configuration
Capacity
64 MB
Single-Sided
64 MB
Single-Sided
128 MB
Double-Sided
128 MB
Single-Sided
128 MB
Single-Sided
256 MB
Double-Sided
256 MB
Single-Sided
256 MB
Single-Sided
512 MB
Double-Sided
512 MB
Single-Sided
1024 MB
Double-Sided
Memory Configuration
The Olympus III motherboard has the following features for enhancing memory
throughput:
•
•
Characteristics of Dual and Single Channel Configuration with and without
Dynamic Mode:
Throughput
Level
Highest
Higher
Lower
Lowest
American Megatrends, Inc., Olympus III User's Guide (Series 875)
16
Continued
DDR SDRAM
Density
64 Mbit
128 Mbit
64 Mbit
128 Mbit
256 Mbit
128 Mbit
256 Mbit
512 Mbit
256 Mbit
512 Mbit
512 Mbit
Dual Channel memory interface. The Olympus III motherboard has two
memory channels (CHA and CHB), each with two DIMM sockets.
Dynamic Addressing Mode. Dynamic mode minimizes overhead by reducing
memory accesses.
Configuration
Dual Channel with Dynamic Mode
Dual Channel without Dynamic
Mode
Single Channel with Dynamic Mode
Single Channel without Dynamic
Mode
DDR SDRAM
DDR SDRAM
Organization
Organization
Front-side
Back-side
8 M x 8
empty
8 M x 16
empty
8 M x 8
8 M x 8
16 M x 8
empty
16 M x 16
empty
16 M x 8
16 M x 8
32 M x 8
empty
32 M x 16
empty
32 M x 8
32 M x 8
64 M x 8
empty
64 M x 8
64 M x 8
Characteristics
All DIMMs matched
•
DIMMs matched from Channel
A to Channel B
•
DIMMs not matched within
channels
Single DIMM or DIMMs matched
within a channel
DIMMs not matched
Number of
DDR SDRAM
Devices
8
4
16
8
4
16
8
4
16
8
16
Cont'd
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