Acer Aspire M3985 Acer Aspire M3985 Desktop Service Guide - Page 17

Memory Combinations Slot Memory Slot 1 1GB,2GB,4GB Slot 2 1GB,2GB,4GB Slot 3 1GB,2GB,4GB Slot 4 1GB,2GB,4GB Maximum System Memory Supported Total Memory 1G ~4GB 1G ~4GB 1G ~4GB 1G ~4GB 1G~16GB System Memory Item Specification Memory slot number 4 slot Support Memory size per socket 1GB/2GB/4GB Support memory type DDRIII Support memory interface DDRIII 1333/1600MHz Support memory voltage 1.5V Support memory module package 240-pin DDRIII Support to parity check feature Yes Support to error correction code (ECC) feature No Memory module combinations You can install memory modules in any combination as long as they match the above specifications. SATA Interface Item SATA controller Number of SATA channel Support mode Specification Intel B75 SATA X 6(1 * SATA 6 Gb/s and 5 * SATA 3Gb/s) HDD : AHCI/Native IDE is required. ODD: Support BD/SuperMulti/DVD ROM. USB Port Item Universal HCI USB Class USB Connectors Quantity Specification USB 2.0/1.1 or USB 3.0 Support legacy keyboard for legacy mode USB2.0: • Rear IO : * 4 ports, Internal Header: *4 ports (2 * USB2.0 H5X2 Header). USB3.0: • Rear IO: * 2 ports, Internal Header: * 2 ports(10x2 header). Chapter 1 9