A-TREND TECHNOLOGY CORPORATION
ATC-5050
| 
 Device Type  | 
 Mainboard  | 
| 
 Processor  | 
 CX 6X86L/CX 6X86MX/AM K5/AM K6/Pentium/Pentium MMX  | 
| 
 Processor Speed  | 
 120/133/150/166/180/200/233MHz  | 
| 
 Chip Set  | 
 Intel 430TX  | 
| 
 Maximum Onboard Memory  | 
 256MB (EDO & SDRAM supported)  | 
| 
 Cache  | 
 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 interface, serial ports (2), IR connector, USB connector, ATX power connector  | 
| 
 CONNECTIONS  | |||
| 
 Purpose  | 
 Location  | 
 Purpose  | 
 Location  | 
| 
 ATX power connector  | 
 ATX  | 
 Serial port 2  | 
 CN2  | 
| 
 Reset switch  | 
 C1/pins 1 & 2  | 
 Parallel port  | 
 CN3  | 
| 
 Green PC connector  | 
 C1/pins 4 & 5  | 
 Floppy drive interface  | 
 CN4  | 
| 
 Turbo LED  | 
 C1/pins 7 & 8  | 
 IDE interface 2  | 
 CN5  | 
| 
 IDE interface LED  | 
 C1/pins 10 & 11  | 
 IDE interface 1  | 
 CN6  | 
| 
 Soft off power supply  | 
 C1/pins 12 & 24  | 
 PS/2 mouse interface  | 
 CN7  | 
| 
 Speaker  | 
 C1/pins 13 – 16  | 
 IR connector  | 
 IR1  | 
| 
 Power LED & keylock  | 
 C1/pins 18 & 20  | 
 32-bit PCI slots  | 
 PC1 – PC4  | 
| 
 Chassis fan power  | 
 C2  | 
 USB connector  | 
 USB  | 
| 
 Serial port 1  | 
 CN1  | ||
| 
 USER CONFIGURABLE SETTINGS  | |||
| 
 Function  | 
 Label  | 
 Position  | |
| 
 »  | 
 CMOS memory normal operation  | 
 JP3  | 
 Pins 2 & 3 closed  | 
| 
 CMOS memory clear  | 
 JP3  | 
 Pins 1 & 2 closed  | |
| 
 Power supply select AT  | 
 JP5  | 
 Pins 2 & 3 closed  | |
| 
 Power supply select ATX  | 
 JP5  | 
 Pins 1 & 2 closed  | |
| 
 »  | 
 Factory configured – do not alter  | 
 SW1/6  | 
 Unidentified  | 
| 
 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  | 
| 
 SIMM CONFIGURATION (CON’T)  | ||
| 
 Size  | 
 Bank 0  | 
 Bank 1  | 
| 
 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.  | ||
| 
 DIMM CONFIGURATION  | ||
| 
 Size  | 
 Bank 2  | 
 Bank 3  | 
| 
 8MB  | 
 (1) 1M x 64  | 
 None  | 
| 
 16MB  | 
 (1) 2M x 64  | 
 None  | 
| 
 16MB  | 
 (1) 1M x 64  | 
 (1) 1M x 64  | 
| 
 24MB  | 
 (1) 2M x 64  | 
 (1) 1M x 64  | 
| 
 32MB  | 
 (1) 4M x 64  | 
 None  | 
| 
 32MB  | 
 (1) 2M x 64  | 
 (1) 2M x 64  | 
| 
 40MB  | 
 (1) 4M x 64  | 
 (1) 1M x 64  | 
| 
 48MB  | 
 (1) 4M x 64  | 
 (1) 2M x 64  | 
| 
 64MB  | 
 (1) 8M x 64  | 
 None  | 
| 
 64MB  | 
 (1) 4M x 64  | 
 (1) 4M x 64  | 
| 
 72MB  | 
 (1) 8M x 64  | 
 (1) 1M x 64  | 
| 
 80MB  | 
 (1) 8M x 64  | 
 (1) 2M x 64  | 
| 
 96MB  | 
 (1) 8M x 64  | 
 (1) 4M x 64  | 
| 
 128MB  | 
 (1) 16M x 64  | 
 None  | 
| 
 128MB  | 
 (1) 8M x 64  | 
 (1) 8M x 64  | 
| 
 136MB  | 
 (1) 16M x 64  | 
 (1) 1M x 64  | 
| 
 144MB  | 
 (1) 16M x 64  | 
 (1) 2M x 64  | 
| 
 160MB  | 
 (1) 16M x 64  | 
 (1) 4M x 64  | 
| 
 192MB  | 
 (1) 16M x 64  | 
 (1) 8M x 64  | 
| 
 256MB  | 
 (1) 16M x 64  | 
 (1) 16M x 64  | 
| 
 Note: Board accepts SDRAM memory.  | ||
| 
 CACHE CONFIGURATION  | |
| 
 Size  | 
 Bank 0  | 
| 
 512KB  | 
 (2) 64K x 32  | 
| 
 CPU SPEED SELECTION (CX 6X86L)  | |||||||
| 
 CPU speed  | 
 Clock speed  | 
 Multiplier  | 
 SW2/1  | 
 SW2/2  | 
 SW2/3  | 
 SW2/4  | 
 SW2/5  | 
| 
 150MHz  | 
 60MHz  | 
 2x  | 
 On  | 
 On  | 
 Off  | 
 On  | 
 Off  | 
| 
 166MHz  | 
 66MHz  | 
 2x  | 
 On  | 
 On  | 
 On  | 
 On  | 
 Off  | 
| 
 200MHz  | 
 75MHz  | 
 2x  | 
 On  | 
 Off  | 
 On  | 
 On  | 
 Off  | 
| 
 CPU SPEED SELECTION (CX 6X86MX)  | |||||||
| 
 CPU speed  | 
 Clock speed  | 
 Multiplier  | 
 SW2/1  | 
 SW2/2  | 
 SW2/3  | 
 SW2/4  | 
 SW2/5  | 
| 
 150MHz  | 
 60MHz  | 
 2x  | 
 On  | 
 On  | 
 Off  | 
 On  | 
 Off  | 
| 
 166MHz  | 
 66MHz  | 
 2x  | 
 On  | 
 On  | 
 On  | 
 On  | 
 Off  | 
| 
 166MHz  | 
 60MHz  | 
 2.5x  | 
 On  | 
 On  | 
 Off  | 
 On  | 
 On  | 
| 
 200MHz  | 
 66MHz  | 
 2.5x  | 
 On  | 
 On  | 
 On  | 
 On  | 
 On  | 
| 
 200MHz  | 
 75MHz  | 
 2x  | 
 On  | 
 Off  | 
 On  | 
 On  | 
 Off  | 
| 
 CPU SPEED SELECTION (AM K5)  | |||||||
| 
 CPU speed  | 
 Clock speed  | 
 Multiplier  | 
 SW2/1  | 
 SW2/2  | 
 SW2/3  | 
 SW2/4  | 
 SW2/5  | 
| 
 90MHz  | 
 60MHz  | 
 1.5x  | 
 On  | 
 On  | 
 Off  | 
 Off  | 
 Off  | 
| 
 100MHz  | 
 66MHz  | 
 1.5x  | 
 On  | 
 On  | 
 On  | 
 Off  | 
 Off  | 
| 
 120MHz  | 
 60MHz  | 
 1.5x  | 
 On  | 
 On  | 
 Off  | 
 Off  | 
 Off  | 
| 
 133MHz  | 
 66MHz  | 
 1.5x  | 
 On  | 
 On  | 
 On  | 
 Off  | 
 Off  | 
| 
 166MHz  | 
 66MHz  | 
 2.5x  | 
 On  | 
 On  | 
 On  | 
 On  | 
 On  | 
| 
 CPU SPEED SELECTION (AM K6)  | |||||||
| 
 CPU speed  | 
 Clock speed  | 
 Multiplier  | 
 SW2/1  | 
 SW2/2  | 
 SW2/3  | 
 SW2/4  | 
 SW2/5  | 
| 
 166MHz  | 
 66MHz  | 
 2.5x  | 
 On  | 
 On  | 
 On  | 
 On  | 
 On  | 
| 
 200MHz  | 
 66MHz  | 
 3x  | 
 On  | 
 On  | 
 On  | 
 Off  | 
 On  | 
| 
 233MHz  | 
 66MHz  | 
 3.5x  | 
 On  | 
 On  | 
 On  | 
 Off  | 
 Off  | 
| 
 CPU SPEED SELECTION (INTEL)  | |||||||
| 
 CPU speed  | 
 Clock speed  | 
 Multiplier  | 
 SW2/1  | 
 SW2/2  | 
 SW2/3  | 
 SW2/4  | 
 SW2/5  | 
| 
 120MHz  | 
 60MHz  | 
 2x  | 
 On  | 
 On  | 
 Off  | 
 On  | 
 Off  | 
| 
 133MHz  | 
 66MHz  | 
 2x  | 
 On  | 
 On  | 
 On  | 
 On  | 
 Off  | 
| 
 150MHz  | 
 60MHz  | 
 2.5x  | 
 On  | 
 On  | 
 Off  | 
 On  | 
 On  | 
| 
 166MHz  | 
 66MHz  | 
 2.5x  | 
 On  | 
 On  | 
 On  | 
 On  | 
 On  | 
| 
 180MHz  | 
 60MHz  | 
 3x  | 
 On  | 
 On  | 
 Off  | 
 Off  | 
 On  | 
| 
 200MHz  | 
 66MHz  | 
 3x  | 
 On  | 
 On  | 
 On  | 
 Off  | 
 On  | 
| 
 CPU SPEED SELECTION (INTEL MMX)  | |||||||
| 
 CPU speed  | 
 Clock speed  | 
 Multiplier  | 
 SW2/1  | 
 SW2/2  | 
 SW2/3  | 
 SW2/4  | 
 SW2/5  | 
| 
 166MHz  | 
 66MHz  | 
 2.5x  | 
 On  | 
 On  | 
 On  | 
 On  | 
 On  | 
| 
 200MHz  | 
 66MHz  | 
 3x  | 
 On  | 
 On  | 
 On  | 
 Off  | 
 On  | 
| 
 233MHz  | 
 66MHz  | 
 3.5x  | 
 On  | 
 On  | 
 On  | 
 Off  | 
 Off  | 
| 
 CPU VOLTAGE SELECTION  | ||||
| 
 Voltage  | 
 SW1/1  | 
 SW1/2  | 
 SW1/3  | 
 SW1/4  | 
| 
 2.8v  | 
 On  | 
 Off  | 
 Off  | 
 Off  | 
| 
 2.9v  | 
 On  | 
 Off  | 
 Off  | 
 On  | 
| 
 3.3v  | 
 On  | 
 On  | 
 Off  | 
 On  | 
| 
 3.5v  | 
 On  | 
 On  | 
 On  | 
 On  |