Acer Power SC Power SC Service Guide - Page 86

Connector Description Connector No. Description CN1 PS/2 CN2 USB/LAN CN3 ATX power connector CN4 COM port CN5 Parallel/VGA/serial port 2 CN7 IDE2 CN8 IDE1 CN9 GAME/MIDI CN11 Audio CD connector CN12 Floppy Disk Drive CN13 Hard Disk Drive LED CN16 Fax voice modem CN18 WAKE ON LAN CN19 36-pin USB/AUDIO connector CN20 RF connector CN21 Slim CD-ROM connector JP1 1/2: Disable on board codec 2/3: Enable on board codec JP2 PWR LED JP3 1/2, 4/5: 4M flash ROM 2/3, 5/6: 2M flash ROM JP4 Reset JP5 Intrusion JP6 LAN LED JP7 PWR switch JP11 1/2: Clear CMOS 2/3: NOP, no operation SW1 ON OFF* NOTE: Set this to ON when CPU is packaged by FCPGA, hence, it can avoid system resource waste. NOTE: *: Default setting SW4 0 0 0 0 0 1 SW3 0 0 0 1 1 0 Socket 370 core/bus clock ratio S1 SW2 SW1 0 0 0 1 1 1 0 1 1 1 0 0 CPU 66 100 133 100 133 66 NOTE: There's only 66/100 MHz allowable speed limit for 66/133 MHz SDRAM. 78 SDRAM 100 100 100 133 133 66 Chapter 5