A-TREND TECHNOLOGY CORPORATION ATC-2000 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 256MB (EDO supported) Memory Maximum Video None Memory Cache 256/512KB BIOS Award Dimensions 280mm x 220mm 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), cache slot, IR connector, USB connector NPU Options None [Image] CONNECTIONS Purpose Location Purpose Location Serial port 2 CN1 Reset switch J1 pins 1 & 2 Serial port 1 CN2 Green PC connector J1 pins 4 & 5 Parallel port CN3 Turbo LED J1 pins 7 & 8 Floppy drive CN4 IDE interface LED J1 pins 10 & interface 11 IDE interface 1 CN5 Speaker J1 pins 12 - 15 IDE interface 2 CN6 Power LED & J1 pins 17 - keylock 21 PS/2 mouse port CN7 32-bit PCI slots PC1 – PC4 Chassis fan power FAN Cache slot SL1 IR connector IR USB connector USB USER CONFIGURABLE SETTINGS Function Label Position » CMOS memory normal operation JP5 Open CMOS memory clear JP5 Closed Flash BIOS voltage select 12v JP14 Pins 1 & 2 closed Flash BIOS voltage select 5v JP14 Pins 2 & 3 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 128MB (2) 16M x 36 None 136MB (2) 16M x 36 (2) 1M x 36 144MB (2) 16M x 36 (2) 2M x 36 160MB (2) 16M x 36 (2) 4M x 36 192MB (2) 16M x 36 (2) 8M x 36 256MB (2) 16M x 36 (2) 16M x 36 Note: Board accepts EDO memory. Banks are interchangeable. CACHE CONFIGURATION Size Bank 0 Bank 1 TAG 256KB None 256KB module (1) 16K/32K x 8 installed 256KB (2) 32K x 32 Not installed (1) 16K/32K x 8 512KB (2) 64K x 32 Not installed (1) 16K/32K x 8 CACHE TAG CONFIGURATION Setting JP1 Enabled Closed Disabled Open CPU SPEED SELECTION (CYRIX) CPU Clock Multiplier JP3 JP4 JP6 JP7 JP8 speed speed 120MHz 50MHz 2x 2 & 1 & Open Closed Closed 3 2 133MHz 55MHz 2x 2 & 1 & N/A Open Open 3 2 150MHz 60MHz 2x 2 & 1 & Closed Open Closed 3 2 166MHz 66MHz 2x 2 & 1 & Closed Closed Open 3 2 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 & Open Closed Closed 2 2 90MHz 60MHz 1.5x 1 & 1 & Closed Open Closed 2 2 100MHz 66MHz 1.5x 1 & 1 & Closed Closed Open 2 2 120MHz 60MHz 1.5x 1 & 1 & Closed Open Closed 2 2 133MHz 66MHz 1.5x 1 & 1 & Closed Closed Open 2 2 150MHz 60MHz 2x 2 & 1 & Closed Open Closed 3 2 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 & Open Closed Closed 2 2 90MHz 60MHz 1.5x 1 & 1 & Closed Open Closed 2 2 100MHz 66MHz 1.5x 1 & 1 & Closed Closed Open 2 2 120MHz 60MHz 2x 2 & 1 & Closed Open Closed 3 2 133MHz 66MHz 2x 2 & 1 & Closed Closed Open 3 2 150MHz 60MHz 2.5x 2 & 2 & Closed Open Closed 3 3 166MHz 66MHz 2.5x 2 & 2 & Closed Closed Open 3 3 180MHz 60MHz 3x 1 & 2 & Closed Open Closed 2 3 200MHz 66MHz 3x 1 & 2 & Closed Closed Open 2 3 Note: Pins designated should be in the closed position. CPU TYPE SELECTION Type JP9 JP10 JP11 CX6X86 Pins 1 & 2 Pins 1 & 2 Pins 1 & 2 closed closed closed AM K5 Pins 1 & 2 Pins 1 & 2 Pins 1 & 2 closed closed closed P54C STD Pins 3 & 4 Pins 1 & 2 Pins 1 & 2 closed closed closed P54C VRE Pins 1 & 2 Pins 1 & 2 Pins 1 & 2 closed closed closed CPU VOLTAGE SELECTION (P55C ONLY) Voltage V core JP9 JP10 JP11 JP12 JP13 3.3v 2.7v 9 & 10 2 & 3 2 & 3 Closed Open 3.3v 2.8v 7 & 8 2 & 3 2 & 3 Closed Open 3.3v 2.9v 5 & 6 2 & 3 2 & 3 Closed Open 3.3v 3.3v 3 & 4 2 & 3 2 & 3 Closed Open 3.3v 3.52v 1 & 2 2 & 3 2 & 3 Closed Open Note: Pins designated should be in the closed position.