Operation Modes; Mirrored Channel Mode; Performance Channel Mode - Fujitsu PRIMERGY CX272 S1 Upgrade And Maintenance Manual

7.1.2

Operation modes

Sequence of memory population listed for the different modes.
Legend:
Channel
0 required
00 optional, same type in Bank per CPU
7.1.2.1

Mirrored Channel Mode

Each memory bank can optionally be equipped with 4x registered or load
reduced (LR) or unbuffered DDR3 modules. Each memory bank channel.
A and B / C and D of CPU0 or channel E and F / G and H of CPU1 have to be
equipped with identical modules for mirrored channel mode.
In channel B / D is always the mirrored memory of channel A / C of CPU0.
In channel F / H is always the mirrored memory of channel E / G of CPU1.
Minimum configuration is: 4x identical modules per CPU
Ch A1 Ch A2
1 9
Ch E1 Ch E2
5 13
7.1.2.2

Performance Channel Mode

In this configuration, the memory module population ex factory is spread across
all channels.
The BIOS is set to the max. performance for memory.
Minimum configuration is: 4x identical modules per CPU.
CX272 S1
CPU0
Ch B1 Ch B2 Ch C1 Ch C2 Ch D1 Ch D2
2 10
CPU1
Ch F1 Ch F2 Ch G1 Ch G2 Ch H1 Ch H2
6 14
Upgrade and Maintenance Manual
3 11 4
7 15 8
Main memory
12
16
145