Acer AT150 F1 Series User Manual page 67

Memory population for lockstep mode
Single processor configuration
Configuration
A
B
Notes: 1. Place DIMMs in "X" location.
Dual processors configuration
Configuration 1B
A
B
C X
D X
Notes: 1. Place DIMMs in "X" location.
Channel 1
DIMM slots
1B 1A
X
X X
2. DIMM population must correspond to the above tables.
3. DIMM modules support 1 GB, 2 GB and 4 GB DIMMs.
4. DIMM modules support 8 GB DIMMs (support depends
on availability).
5. Do not mix UDIMMs with RDIMMs.
CPU 1
1A 2B 2A
X X
X X
X X X
X X X
2. DIMM population must correspond to the above tables.
3. DIMM modules support 1 GB, 2 GB and 4 GB DIMMs.
4. DIMM modules support 8 GB DIMMs (support depends
on availability).
5. Do not mix UDIMMs with RDIMMs.
Channel 2 Channel 3
DIMM slots DIMM slots
2B 2A 3B
X NA
X X NA
3B 3A 1B 1A
NA NA
NA NA X
NA NA X
NA NA X X
55
Notes
3A
NA
NA
CPU 2
2B 2A 3B 3A
NA NA
X NA NA
X NA NA
X X NA NA