Acer Aspire 5820T Series, Service Manual, Page: 26 / 268

16 Chapter 1
Core Logic Specifications
System Memory
Item Specification
Chipset Intel Ibex-Peak (HM55)
Package 1071-pins FCBGA 27mm x 25mm
Features • PCI Express* Base Specification, Revision 2.0 support for up
to eight ports.
• PCI Local Bus Specification, Revision 2.3 support for 33 MHz
PCI operations (supports up to four Req/Gnt pairs).
• ACPI Power Management Logic Support, Revision 3.0b
• Enhanced DMA controller, interrupt controller, and timer
functions
• Integrated Serial ATA host controllers with independent DMA
operation on up to six ports.
• FIS-based Port Multiplier support on SATA Ports 4 and 5 in
AHCI/RAID mode.
• USB host interface with support for up to twelve USB ports; two
EHCI high -speed USB 2.0 Host controllers, 2 rate matching
hubs, six UHCI host controllers;
• System Management Bus (SMBus) Specification, Version 2.0
with additional support for I2C devices
• Supports Intel High Definition Audio
• Supports Intel Matrix Storage Technology
• Supports Intel Active Management Technology
• Supports Intel Virtualization Technology for Directed I/O
• Supports Intel Trusted Execution Technology
• Supports buffered through mode generating extra clocks from
a clock chip.
• Analog and Digital Display ports
• Analog CRT
• HDMI
• DisplayPort 1.1 (dGPU only)
• LVDS
• Low Pin Count (LPC) interface
• Serial Peripheral Interface (SPI) support
• Intel Anti-Theft Technology
• JTAG Boundary Scan support
Item Specification
Memory size 0MB (No on-board Memory)
DIMM socket number 2 sockets
Supports memory size per socket 4GB
Supports maximum memory size 8GB
Supports DIMM type DDR3
Supports DIMM Speed 1066/1333 MHz