DATAEXPERT CORPORATION EXP8561 Device Type Mainboard Processor CX 6X86/AM K5/Pentium/Pentium MMX Processor Speed 75/90/100/120/133/150/166/200MHz Chip Set Unidentified Video Chip Set None Maximum Onboard 128MB Memory Maximum Video Memory None Cache 256/512KB BIOS Award Dimensions 260mm x 220mm I/O Options 32-bit PCI slots (4), floppy drive interface, IDE interfaces (2), parallel port, PS/2 mouse interface, serial ports (2), cache slot, USB connectors (2) [Image] CONNECTIONS Purpose Location Purpose Location PS/2 mouse interface CN1 USB connector 2 J14 Serial port 2 CN2 Reset switch J15 Serial port 1 CN3 Power LED & keylock J18 Floppy drive interface CN4 Speaker J19 IDE interface 2 CN5 IDE interface LED J20 IDE interface 1 CN6 Green PC connector JP6 Parallel port J4 32-bit PCI slots PC1 – PC4 USB connector 1 J13 Cache slot SL1 USER CONFIGURABLE SETTINGS Function Label Position » AT bus CLK select PCICLK/4 JP7 Closed AT bus CLK select PCICLK/3 JP7 Open » CMOS memory normal operation JP8 Open CMOS memory clear JP8 Closed » Factory configured - do not JP12 Unidentified alter » Factory configured - do not JP13 Unidentified alter » Flash BIOS voltage select 5v JP14 Pins 1 & 2 closed Flash BIOS voltage select 12v JP14 Pins 2 & 3 closed SIMM CONFIGURATION Size Bank 0 Bank 1 8MB (2) 1M x 36 None 16MB (2) 2M x 36 None 16MB (2) 1M x 36 (2) 1M x 36 24MB (2) 2M x 36 (2) 1M x 36 32MB (2) 4M x 36 None 32MB (2) 2M x 36 (2) 2M x 36 40MB (2) 4M x 36 (2) 1M x 36 48MB (2) 4M x 36 (2) 2M x 36 64MB (2) 8M x 36 None 64MB (2) 4M x 36 (2) 4M x 36 72MB (2) 8M x 36 (2) 1M x 36 80MB (2) 8M x 36 (2) 2M x 36 96MB (2) 8M x 36 (2) 4M x 36 128MB (2) 8M x 36 (2) 8M x 36 CACHE CONFIGURATION Size Bank 0 SL1 TAG 256KB (2) 32K x 32 Not installed (1) 8K/16K/32K x 8 512KB (2) 32K x 32 256KB module (1) 16K/32K x 8 installed CACHE JUMPER CONFIGURATION Size J16 JP15 JP19 JP21 256KB Open Open Closed Open 512KB Closed Pins 2 & 3 Open Closed closed CPU SPEED SELECTION (CX 6X86) CPU Clock Multiplier JP9 JP10 JP22 JP23 speed speed 120MHz 50MHz 2x Closed Closed Closed Open 133MHz 55MHz 2x Open Open Closed Open 150MHz 60MHz 2x Closed Open Closed Open 166MHz 66MHz 2x Open Closed Closed Open CPU SPEED SELECTION (AM K5) CPU Clock Multiplier JP9 JP10 JP22 JP23 speed speed 75MHz 50MHz 1.5x Closed Closed Open Open 90MHz 60MHz 1.5x Closed Open Open Open 100MHz 66MHz 1.5x Open Closed Open Open CPU SPEED SELECTION (INTEL) CPU Clock Multiplier JP9 JP10 JP22 JP23 speed speed 75MHz 50MHz 1.5x Closed Closed Open Open 90MHz 60MHz 1.5x Closed Open Open Open 100MHz 66MHz 1.5x Open Closed Open Open 120MHz 60MHz 2x Closed Open Closed Open 133MHz 66MHz 2x Open Closed Closed Open 150MHz 60MHz 2.5x Closed Open Closed Closed 166MHz 66MHz 2.5x Open Closed Closed Closed 200MHz 66MHz 3x Open Closed Open Closed CPU SPEED SELECTION (INTEL MMX) CPU Clock Multiplier JP9 JP10 JP22 JP23 speed speed 166MHz 66MHz 2.5x Open Closed Closed Closed 200MHz 66MHz 3x Open Closed Open Closed CPU VOLTAGE SELECTION (SINGLE) Voltage JP18 Single Open CPU VOLTAGE SELECTION (DUAL) Voltage V core JP18 JPA1 JPA2 3.3v 2.9v Pins 2 & 3 Open Closed closed 3.3v 3.3v Pins 2 & 3 Pins 2 & 3 Open closed closed 3.3v 3.45 – Pins 2 & 3 Pins 1 & 2 Open 3.6v closed closed 3.45v 2.9v Pins 1 & 2 Open Closed closed 3.45v 3.3v Pins 1 & 2 Pins 2 & 3 Open closed closed 3.45v 3.45 – Pins 1 & 2 Pins 1 & 2 Open 3.6v closed closed DMA CHANNEL SELECTION Channel JP4 JP5 1 Pins 1 & 2 closed Pins 1 & 2 closed 3 Pins 2 & 3 closed Pins 2 & 3 closed