PC CHIPS MAUNFACTURING, LTD. M725 Device Type Mainboard Processor Pentium II Processor Speed 233/266/300/333MHz Chip Set Intel Maximum Onboard Memory 384MB (EDO & SDRAM supported) Cache 256/512KB (located on the Pentium II CPU) BIOS AMI Dimensions 220mm x 220mm I/O Options 32-bit PCI slots (3), floppy drive interface, IDE interfaces (2), parallel port, PS/2 mouse port, PS/2 mouse interface, serial ports (2), ATX power connector, AGP slot, audio in – CD-ROMs (2) [Image] CONNECTIONS Purpose Location Purpose Location AGP slot AGP Sound and Game J3 Header ATX power connector ATX ATX form card J4 connector Audio in – CD-ROM CD1 Speaker J5/pins 1, 3, 5, 7 Audio in – CD-ROM CD2 Power LED & J5/pins 2, 4, keylock 6, 8, 10 Serial port 1 COM1 Turbo LED J5/pins 13 & 14 Serial port 2 COM2 IDE interface LED J5/pins 15 & 16 CPU fan power FAN1 Reset switch J5/pins 17 & 18 Floppy drive FDC1 Green PC LED J5/pins 19 & 20 interface IDE interface 1 IDE1 32-bit PCI slots PC1 - PC3 IDE interface 2 IDE2 Parallel port PRN1 Digital audio out J1 PS/2 mouse PS1 interface Digital audio in J2 PS/2 mouse port PS2 USER CONFIGURABLE SETTINGS Function Label Position Sound pro enabled JP1 Pins 2 & 3 closed Sound pro disabled JP1 Pins 1 & 2 closed » Microphone type select standard JP2 Open Microphone type select special JP2 Closed » CMOS memory normal operation JP10 Pins 1 & 2 closed CMOS memory clear JP10 Pins 2 & 3 closed DIMM CONFIGURATION Size Bank 0 Bank 1 Bank 2 8 MB 1 M x 64 None None 16 MB 1 M x 64 1 M x 64 None 16 MB 2 M x 64 None None 24 MB 1 M x 64 1 M x 64 1 M x 64 32 MB 2 M x 64 2 M x 64 None 32 MB 4 M x 64 None None 40 MB 2 M x 64 2 M x 64 1 M x 64 48 MB 2 M x 64 2 M x 64 2 M x 64 64 MB 4 M x 64 4 M x 64 None 64 MB 8 M x 64 None None 80 MB 4 M x 64 4 M x 64 2 M x 64 96 MB 4 M x 64 4 M x 64 4 M x 64 128 MB 8 M x 64 8 M x 64 None 128 MB 16 M x 64 None None 130 MB 8 M x 64 8 M x 64 4 M x 64 192 MB 8 M x 64 8 M x 64 8 M x 64 256 MB 16 M x 64 16 M x 64 None 320 MB 16 M x 64 16 M x 64 8 M x 64 384 MB 16 M x 64 16 M x 64 16 M x 64 DIMM VOLTAGE CONFIGURATION Voltage JP5A JP5B » 3.3v Pins 2 & 3 closed Pins 2 & 3 closed 5v Pins 1 & 2 closed Pins 1 & 2 closed CACHE CONFIGURATION Note: The cache is located on the Pentium II CPU. CPU FREQUENCY SELECTION Frequency JP7 66MHz Pins 2 & 3 closed CPU MULTIPLIER SELECTION Multiplier JP3A JP3B JP3C JP3D 1.5x Open Open Closed Open 2x Closed Closed Closed Closed 2x Open Open Open Open 2.5x Open Closed Closed Closed 3x Closed Closed Open Closed 3.5x Open Closed Open Closed 4x Closed Closed Closed Open 4.5x Open Closed Closed Open 5x Closed Closed Open Open 5.5x Open Closed Open Open 6x Closed Open Closed Closed 6.5x Open Open Closed Closed 7x Closed Open Open Closed 7.5x Open Open Open Closed 8x Closed Open Closed Open