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A1SAM/A1SRM Series Motherboard User’s Manual
Power Configuration
ACPI/ACPM Power Management (S0, S5 Only)
Main Switch Override Mechanism
Power-on mode for AC power recovery
PC Health Monitoring CPU Monitoring
Onboard voltage monitors for 3.3V, 3.3V Standby,
+5V,+12V, VBAT, VDIMM, and VCORE for CPU
CPU/System overheat LED and control
CPU Thermal Trip support
SoC Thermal Control Circuit (TCC) mechanism
Thermal Monitor Support
Fan Control
Low noise fan speed control
System Management
PECI (Platform Environment Configuration Interface) 3.0
support
System resource alert via SuperDoctor
®
5
SuperDoctor® 5, Watch Dog, NMI
Chassis Intrusion header and detection
CD Utilities
Download from www.supermicro.com
Other
ROHS (Full Compliance, Lead Free)
Dimensions
uATX form factor (9.6" x 7.5") (243.84 mm x 190.50 mm)
Model Variation Table
Mothrboard Model Name
A1SAi-2750F A1SAi-2550F A1SRi-2758F A1SRi-2558F
SoC Code Name
Avoton
Avoton
Rangeley
Rangeley
Processor Number
C2750
C2550
C2758
C2558
# of Cores
8
4
8
4
# of Threads
8
4
8
4
Clock Speed
2.4 GHz
2.4 GHz
2.4 GHz
2.4 GHz
Max Turbo Frequency
2.6 GHz
2.6 GHz
N/A
N/A
Intel® QuickAssist Technology
No
No
Yes
Yes
Instruction Set
64-bit
64-bit
64-bit
64-bit
Embedded Options Available
No
No
Yes
Yes
SoC Max TDP
20 W
14 W
20 W
15 W
# of Memory Channels
2
2
2
2
Intel® Turbo Boost Technology
Yes
Yes
No
No
Intel® Virtualization Technology (VT-x) Yes
Yes
Yes
Yes
AES New Instructions
Yes
Yes
Yes
Yes
Intel® Hyper-Threading Technology
No
No
No
No
Intel® QuickAssist Technology
No
No
Yes
Yes
A1SAM-2750F A1SAM-2550F A1SRM-2758F A1SRM-2558F