A-TREND TECHNOLOGY CORPORATION ATC-1040 Processor CX M1/AM K5/Pentium Processor Speed 75/90/100/120/133/150/166/180/200MHz Chip Set Intel Video Chip Set None Maximum Onboard 128MB (EDO supported) Memory Maximum Video None Memory Cache 256/512KB BIOS Award Dimensions 305mm x 201mm I/O Options 32-bit PCI slots (4), floppy drive interface, green PC connector, IDE interfaces (2), parallel port, PS/2 mouse port, serial ports (2), IR connector, USB connector, ATX power connector NPU Options None [Image] CONNECTIONS Purpose Location Purpose Location ATX power supply ATX Reset switch J1 pins 1 & 2 Serial port 2 CN1 Green PC connector J1 pins 4 & 5 Parallel port CN2 Turbo LED J1 pins 7 & 8 PS/2 mouse port CN3 IDE interface LED J1 pins 10 & 11 Serial port 1 CN4 Speaker J1 pins 12 - 15 Floppy drive CN5 Power LED & J1 pins 17 - interface keylock 21 IDE interface 2 CN6 Soft off power JP1 supply IDE interface 1 CN7 32-bit PCI slots PC1 – PC4 Chassis fan power FAN USB connector USB IR connector IR USER CONFIGURABLE SETTINGS Function Label Position » Factory configured - do not JP5 Unidentified alter » Flash BIOS write protect JP9 Pins 2 & 3 closed disabled Flash BIOS write protect JP9 Pins 1 & 2 closed enabled » CMOS memory normal operation JP16 Open CMOS memory clear JP16 Closed DIMM CONFIGURATION Size Bank 2 Bank 3 8MB (1) 1M x 64 None 16MB (1) 1M x 64 (1) 1M x 64 16MB (1) 2M x 64 None 32MB (1) 2M x 64 (1) 2M x 64 32MB (1) 4M x 64 None 64MB (1) 4M x 64 (1) 4M x 64 64MB (1) 8M x 64 None Note: Do not install DIMM and SIMM at the same time. DRAM 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 DRAM CONFIGURATION (CON’T) Size Bank 0 Bank 1 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 128MB (2) 16M x 36 None Note: Board accepts EDO memory. CACHE CONFIGURATION Size Bank 0 TAG 256KB (2) 32K x 32 Unidentified 512KB (2) 64K x 32 Unidentified CPU SPEED SELECTION (CYRIX) CPU Clock Multiplier JP3 JP4 JP6 JP7 JP8 speed speed 120MHz 50MHz 2x 1 & 2 & 1 & 1 & 1 & 2 2 3 2 2 150MHz 60MHz 2x 1 & 2 & 2 & 1 & 1 & 2 2 3 3 2 166MHz 66MHz 2x 1 & 2 & 1 & 2 & 1 & 2 2 3 2 3 Note: Pins designated should be in the closed position. CPU SPEED SELECTION (AMD) CPU Clock Multiplier JP3 JP4 JP6 JP7 JP8 speed speed 75MHz 50MHz 1.5x 1 & 1 & 1 & 1 & 1 & 2 2 2 2 2 90MHz 60MHz 1.5x 1 & 1 & 2 & 1 & 1 & 2 2 2 3 2 100MHz 66MHz 1.5x 1 & 1 & 1 & 2 & 1 & 2 2 2 2 3 120MHz 60MHz 1.5x 1 & 1 & 2 & 1 & 1 & 2 2 2 3 2 133MHz 66MHz 1.5x 1 & 1 & 1 & 2 & 1 & 2 2 2 2 3 166MHz 66MHz 2.5x 2 & 2 & 1 & 2 & 1 & 2 3 3 2 3 Note: Pins designated should be in the closed position. CPU SPEED SELECTION (INTEL) CPU Clock Multiplier JP3 JP4 JP6 JP7 JP8 speed speed 75MHz 50MHz 1.5x 1 & 1 & 1 & 1 & 1 & 2 2 2 2 2 90MHz 60MHz 1.5x 1 & 1 & 2 & 1 & 1 & 2 2 2 3 2 100MHz 66MHz 1.5x 1 & 1 & 1 & 2 & 1 & 2 2 2 2 3 120MHz 60MHz 2x 1 & 2 & 2 & 1 & 1 & 2 2 3 3 2 133MHz 66MHz 2x 1 & 2 & 1 & 2 & 1 & 2 2 3 2 3 150MHz 60MHz 2.5x 2 & 2 & 2 & 1 & 1 & 2 3 3 3 2 166MHz 66MHz 2.5x 2 & 2 & 1 & 2 & 1 & 2 3 3 2 3 180MHz 60MHz 3x 2 & 1 & 2 & 1 & 1 & 2 3 2 3 2 200MHz 66MHz 3x 2 & 1 & 1 & 2 & 1 & 2 3 2 2 3 Note: Pins designated should be in the closed position. CPU TYPE SELECTION Type JP2 JP10 JP11 JP12 JP13 JP14 CX6X86 2 & 3 Closed Open Open Open Open CX686L 1 & 2 Open Open Open Open Closed AM K5 2 & 3 Closed Open Open Open Open P54C STD 2 & 3 Open Closed Open Open Open P54C VRE 2 & 3 Closed Open Open Open Open P55C 1 & 2 Open Open Open Open Closed Note: Pins designated should be in the closed position.