C2SBM-Q User's Manual ATX PS/2 Keyboard and PS/2 Mouse Ports The ATX PS/2 keyboard and the PS/2 mouse are located at J28. See the table on the right for pin definitions. (The mouse port is above the key- board port. See the table on the right for pin definitions.) Serial Ports COM 1 (JGS1) and COM 2 (JGS1) are connectors located on the IO Backpanel, COM 3 (J14) and COM 4 (J15) are headers. See the table on the right for pin definitions. (Pin 10 is available on COM2 only. NC: No Connection.) KB/MOUSE A J41 CPU Fan FAN1 A. Keyboard/Mouse J28 B 4-Pin PWR LGA 775 CPU W83627DHG S I/O 2 JPT1 W83627DHG S I/O 1 B. COM1 C. COM2 COM1 J31 C 24-pin ATX PWR D. COM3 E.
COM4 VGA COM2 DIMM1A DIMM2A DIMM1B DIMM2B JGS1 J43 USB 2/3/4/5 JFSB2 JFSB1 J40 J11 USB 0,1 LAN 1 JPUSB1 JFSB3 Intel Q35 J46 Audio Fan3 LAN CTRL PCI3 Slot7 PCI-E x16 JWOR C2SBM-Q PCI1 JI2C2 JI2C1 Slot6 PCI-33MHz JPL1 JS4 JS3 JS1 JS2 I-SATA1 I-SATA0 JL1 JF1 PCI2 JP2 Slot5 PCI-E x4 D E Battery JBT1 IDE CTRL Intel ICH9DO I-SATA2 I-SATA3 LE1 FP CTRL J12 Audio CTRL CD-IN JPAC PCI1 Buzzer Slot4 PCI-33MHz COM4 USB 10 JWOL J3 IDE#1 ITE 8213 COM3 J45 J44 FP USB 8/9 JPUSB2 JWD JLED FAN2 CD1 Front Audio J9 SPEAKER SPKR J15 J14 J47 FP USB 6/7 2-16 PS/2 Keyboard and Mouse Port Pin Definitions Pin# Definition 1 Data 2 NC 3 Ground 4 VCC 5 Clock 6 NC Serial Port Pin Definitions Pin # Definition Pin # Definition 1 DCD 6 DSR 2 RXD 7 RTS 3 TXD 8 CTS 4 DTR 9 RI 5 Ground 10 NC