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A1SA2-2750/2550F User’s Manual
Motherboard Features
CPU
Single Intel
®
S2xxx Tri-Gate 22nm SoC in the BGA1283
1283 package
Each SoC supports 4 or 8 cores
Memory
Supports up to 64GB of DDR3 ECC VLP UDIMM
1600MHz in eight memory slots.
Dual-Channel memory or Single-Channel w/x8 data width,
Single or Dual Rank memory
DIMM sizes
DIMMs
2 GB, 4GB, 8GB, and 16GB
Network Connections
S2xxx Series SoC I354 built-in Quad-port GbE controllers
(MACs) w/Marvell 88E1543 Transceiver
Four (4) RJ-45 rear I/O panel connectors with Link and
Activity LEDs
One (1) IPMI LAN Connector (Realtek 8211E-PHY)
I/O Devices
SATA Connections
SATA 3.0 (6Gb/s)
Four (4) SATA 3.0 (I-SATA 0/1)
RAID 0, 1
USB Devices
Two (2) USB 2.0 on the rear I/O panel (USB 0/1)
Serial (COM) Ports
One (1) COM Port on the rear I/O panel (COM1)
One (1) front accessible Serial port header (COM2)
IPMI 2.0
IPMI 2.0 supported by Aspeed AST2400 BMC (Base-
board Management Controller)
VGA (Graphics Display)
One (1) VGA Port on the rear I/O panel supported by the
Aspeed AST2400 VGA Controller
BIOS
128 Mb AMI BIOS
®
SPI EEPROM BIOS
Plug and Play, DMI 2.0, PCI 2.2, ACPI 5.0, USB Key-
board, SMBIOS 2.7, and UEFI 2.3.1
Power Configuration
ACPI/ACPM Power Management
Main Switch Override Mechanism
Power-on mode for AC power recovery
PC Health Monitoring
Onboard Voltage Monitoring
+3.3V, +5V,+12V, VBAT, VDIMM, VCORE for CPU
