A-TREND TECHNOLOGY CORPORATION ATC-1000+ 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 235mm x 220mm I/O Options 32-bit PCI slots (3), floppy drive interface, green PC connector, IDE interfaces (2), parallel port, PS/2 mouse port, serial ports (2), IR connector, USB connector NPU Options None [Image] CONNECTIONS Purpose Location Purpose Location Serial port 1 CN1 Green PC connector J1 pins 4 & 5 Serial port 2 CN2 Turbo LED J1 pins 7 & 8 Parallel port CN3 IDE interface LED J1 pins 10 & 11 Floppy drive CN4 Speaker J1 pins 12 - interface 15 IDE interface 1 CN5 Power LED & J1 pins 17 - keylock 21 IDE interface 2 CN6 Chassis fan power J2 PS/2 mouse port CN7 32-bit PCI slots PC1 – PC3 IR connector IR USB connector USB Reset switch J1 pins 1 & 2 USER CONFIGURABLE SETTINGS Function Label Position » CMOS memory normal operation JP1 Open CMOS memory clear JP1 Closed » Flash BIOS write protect disabled JP2 Pins 2 & 3 closed Flash BIOS write protect enabled JP2 Pins 1 & 2 closed DRAM CONFIGURATION Size Bank 0 Bank 1 4MB (2) 512K x 36 None 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 Note: Board accepts EDO memory. Banks are interchangeable. CACHE CONFIGURATION Size Bank 0 TAG 256KB (2) 32K x 32 (1) 16K/32K x 8 512KB (2) 64K x 32 (1) 16K/32K x 8 CPU SPEED SELECTION (CYRIX) CPU Clock Multiplier JP3 JP4 JP8 JP9 speed speed 120MHz 60MHz 2x Open Open 1 & 2 2 & 3 150MHz 60MHz 2x Closed Open 1 & 2 2 & 3 166MHz 66MHz 2x Open Closed 1 & 2 2 & 3 Note: Pins designated should be in the closed position. CPU SPEED SELECTION (AMD) CPU speed Clock speed Multiplier JP3 JP4 JP8 JP9 75MHz 50MHz 1.5x Open Open 1 & 2 1 & 2 90MHz 60MHz 1.5x Closed Open 1 & 2 1 & 2 100MHz 66MHz 1.5x Open Closed 1 & 2 1 & 2 120MHz 60MHz 1.5x Closed Open 1 & 2 1 & 2 133MHz 66MHz 1.5x Open Closed 1 & 2 1 & 2 150MHz 60MHz 2x Closed Open 1 & 2 2 & 3 Note: Pins designated should be in the closed position. CPU SPEED SELECTION (INTEL) CPU Clock Multiplier JP3 JP4 JP8 JP9 speed speed 75MHz 50MHz 1.5x Open Open 1 & 2 1 & 2 90MHz 60MHz 1.5x Closed Open 1 & 2 1 & 2 100MHz 66MHz 1.5x Open Closed 1 & 2 1 & 2 120MHz 60MHz 2x Closed Open 1 & 2 2 & 3 133MHz 66MHz 2x Open Closed 1 & 2 2 & 3 150MHz 60MHz 2.5x Closed Open 2 & 3 2 & 3 166MHz 66MHz 2.5x Open Closed 2 & 3 2 & 3 180MHz 60MHz 3x Closed Open 2 & 3 1 & 2 200MHz 66MHz 3x Open Closed 2 & 3 1 & 2 Note: Pins designated should be in the closed position. CPU TYPE SELECTION Type JP5 Cyrix Pins 1 & 2 closed AMD Pins 1 & 2 closed P54C STD Pins 3 & 4 closed P54C VRE Pins 1 & 2 closed P55C Pins 7 & 8 closed CPU VOLTAGE SELECTION Setting JP6 Single Pins 1 & 2 closed Dual Pins 2 & 3 closed