ARK-3390 User Manual 41.3.1.3 OthersAudio LinkSB: Intel® NH82801GBM chip supports: Supports HD Codec Supports Link for Audio and Telephony CODECS Ear Phone JackUSB InterfaceSB: Intel® NH82801GBM chip supports: USB host interface with support for 5 USB 2.0 ports All ports are High-Speed, Full-Speed, and Low-Speed capable Supports legacy keyboard/mouse software USB connector on board: USB conn 4P 180D(M) DIP x 1 USB dual connector on board: USB conn 8P 90D(M) DIP x 2PowerManagementSB: Intel® NH82801GBM chip supports: Supports ACPI 3.0 ACPI Power Management Logic Support Power connector: Plug-In block 2P DIP x 1BIOSSB: Intel® NH82801GBM chip supports: Low Pin Count (LPC) interface support Firmware Hub (FWH) interface support Phoenix 4M bit Flash BIOS, supports Plug & Play, APM 1.2/ACPI1.1. Socket: 32 pin PLCC socket x 1Serial portsSuper I/O: SMSC SCH3114supports: 3 full function serial ports by SMSC SCH3114. Support IRQ Sharing among serial ports on XPECOM1: Supports to RS-232 COM2 ~ COM4: Supports to RS-232/422/485 and setting by JumperCOM connector: D-SUB CON. 9P 90D(M)DIP x 2COM5/COM6: Support RS-422/485 with isolation (7.5 kV)** COM2 ~ COM6 RS-485 support Auto flow control.LANLAN Chip: Intel® 82541PI supports: Supports PCI 2.3 Integrated 10/100/1000 transceiver Fully compliant with IEEE 802.3 compliant Supports Wake on LAN and remote wake-up Giga LAN Phone Jack on board: Phone Jack conn 8P 90D DIP x 2AudioAudio Codec: Realtek ALC888-GR Compliant with HD Audio specifications Supports to 16/20/24-bit DAC and 16/20/24-bit ADC resolution Ear Phone JackDVI-D DVI Codec: Chrontel CH7307C-DEF DVI Connector on board: Foxconn 26P 90D(F) x 1Battery backup Battery support: CR2032 BATTERY 3V/210 mAh with WIRE x 1