Asus P4B-LS Motherboard DIY Troubleshooting Guide - Page 54

14. Smart Card Reader connector (14-1 pin SMARTCON) (optional) This connector accommodates a Smart Card Reader that allows you to conveniently make transactions such as financial, health care, telephony, or traveling services through a Smart Card user interface software. ® P4B-LS NC2 GND RFU1 SCRCLK SCRFET# NC VCC SMARTCON 1 SCRRES# SCRUI RFU2 SCRREST NC LED P4B-LS Smartcard Figure 2-44 Smart Card Reader Connector 15. SD and MS connectors (10-pin SD, MS)* These connectors support the sophisticated memory devices called Secure Digital (SD) memory card and Memory Stick (MS). These devices facilitate fast and secure downloading of all types of digital files such as photos, music, news, and movies. You may also use SD and MS to directly record audio, video, and still photos. The SD and MS are non-volatile devices so they do not require power to retain the information stored in them. * The SD and MS connectors may or may not be mounted depending on SI requirements. You need an SD/MS reader to use the SD and MS devices. The SD, MS, and the SD/MS reader are optional items and may be purchased separately. SD MS ® P4B-LS P4B-LS SD MS Connectors GND SDB1 +3V SDB2 SDB3 SDB4 SDB5 SDBCLK SDBPWCTL# SDBLED 1 GND MSDA1 +3V MSDA2 SDA3 SDA4 SDA5 SDACLK SDAPWCTL# SDALED 1 Figure 2-45 Secure Digital (SD) Memory Card and Memory Stick (MS) Connectors 2-32 Chapter 2: Hardware information