B.1 System Board Front View <FNCSY*> Appendix B Board Layout B-2 PORTEGE M300 Maintenance Manual (960-504)
Table B-1 System board ICs and connectors (front) Mark Number Name
(a) IS2130 SD Card I/F connector
(b) IC3000 FWH
(c) IS2140 CF Card I/F connector
(d) CN6050 Internal Microphone connector
(e) CN8760 RTC Battery I/F connector
(f) VR6240 Volume Controller
(g) CN2200 Wireless LAN Card I/F connector
(h) J6310 Headphone I/F connector
(i) J6051 External Microphone /F connector
(j) IC3200 EC/KBC
(k) IS2110 PC Card I/F connector
(l) CN3230 Keyboard I/F connector
(m) CN3270 Switch Membrane I/F connector
(n) CN5600 LCD I/F connector
(o) CN8812 Inverter I/F connector
(p) CN4100 LAN I/F connector
(q) CN3240 Pad I/F connector
(r) IC6000 South Bridge (ICH4-M)
(s) CN3400 Debugging Port I/F connector
(t) CN4400 Bluetooth I/F connector
(u) CN6180 Speaker connector