ANTEC, INC. MB5689A Device Type Mainboard Processor CX 6X86/IBM 6X86/CX 6X86L/IBM 6X86L/CX 686MX/IBM 6X86MX/ IDT C6/AM K5/AM K6/Pentium/Pentium MMX Processor Speed 75/90/100/120/133/150/166/200/233/266MHz Chip Set Intel 430TX Video Chip Set None Maximum Onboard 256MB (EDO & SDRAM supported) Memory Maximum Video None Memory Cache 512KB BIOS Award Dimensions 254mm x 218mm 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 connectors (2), ATX power connector, wake on LAN connector [Image] CONNECTIONS Purpose Location Purpose Location ATX power ATX IDE interface LED J107/pins 3 & connector 4 Floppy drive CN1 Green PC LED J107/pins 5 & interface 6 Serial port 1 CN2 Green PC J107/pins 7 & connector 8 Serial port 2 CN3 Soft off power J107/pins 9 & supply 10 Parallel port CN4 Power LED & J107/pins 11 – keylock 15 IDE interface 1 J6 Speaker J107/pins 17 - 20 IDE interface 2 J7 Wake on LAN J109 connector USB connector 1 J10 IR connector JP3 USB connector 2 J11 Chassis fan power JP5 PS/2 mouse J99 EISCA cooling JP6 interface connector Reset switch J107/pins 1 & 32-bit PCI slots PC1 – PC4 2 USER CONFIGURABLE SETTINGS Function Label Position Flash BIOS voltage select 12v JP19 Pins 1 & 2 closed Flash BIOS voltage select 5v JP19 Pins 2 & 3 closed » CMOS memory normal operation JP40 Pins 1 & 2 closed CMOS memory clear JP40 Pins 2 & 3 closed Any hard drive installed JP41 Pins 2 & 3 closed Seagate 5v hard drive installed JP41 Pins 1 & 2 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 SIMM CONFIGURATION (CON’T) Size Bank 0 Bank 1 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. 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 (1) 64K x 64 CPU SPEED SELECTION (CX 6X86) CPU speed Clock speed Multiplier J101 J108 120MHz 50MHz 2x 1 & 4, 2 & 1 & 4 5, 3 & 6 150MHz 60MHz 2x 1 & 4 1 & 4 166MHz 66MHz 2x Open 1 & 4 Note: Pins designated should be in the closed position. CPU SPEED SELECTION (IBM 6X86) CPU speed Clock speed Multiplier J101 J108 120MHz 50MHz 2x 1 & 4, 2 & 1 & 4 5, 3 & 6 150MHz 60MHz 2x 1 & 4 1 & 4 166MHz 66MHz 2x Open 1 & 4 Note: Pins designated should be in the closed position. CPU SPEED SELECTION (CX 6X86L) CPU speed Clock speed Multiplier J101 J108 166MHz 66MHz 2x Open 1 & 4 Note: Pins designated should be in the closed position. CPU SPEED SELECTION (IBM 6X86L) CPU speed Clock speed Multiplier J101 J108 166MHz 66MHz 2x Open 1 & 4 Note: Pins designated should be in the closed position. CPU SPEED SELECTION (CX 6X86MX) CPU speed Clock speed Multiplier J101 J108 166MHz 60MHz 2.5x 1 & 4 1 & 4, 2 & 5 200MHz 66MHz 2.5x Open 1 & 4, 2 & 5 233MHz 66MHz 3x Open 2 & 5 266MHz 66MHz 3.5x Open Open Note: Pins designated should be in the closed position. CPU SPEED SELECTION (IBM 6X86MX) CPU speed Clock speed Multiplier J101 J108 200MHz 66MHz 2.5x Open 1 & 4, 2 & 5 233MHz 66MHz 3x Open 2 & 5 266MHz 66MHz 3.5x Open Open Note: Pins designated should be in the closed position. CPU SPEED SELECTION (IDT C6) CPU speed Clock speed Multiplier J101 J108 150MHz 60MHz 2.5x 1 & 4 1 & 4, 2 & 5 180MHz 66MHz 3x Open 2 & 5 200MHz 66MHz 3x Open 2 & 5 Note: Pins designated should be in the closed position. CPU SPEED SELECTION (AM K5) CPU speed Clock speed Multiplier J101 J108 75MHz 50MHz 1.5x 1 & 4, 2 & Open 5, 3 & 6 90MHz 60MHz 1.5x 1 & 4 Open 100MHz 66MHz 1.5x Open Open 120MHz 60MHz 1.5x 1 & 4 Open 133MHz 66MHz 1.5x Open Open 166MHz 66MHz 2.5x Open 1 & 4, 2 & 5 Note: Pins designated should be in the closed position. CPU SPEED SELECTION (AM K6) CPU speed Clock speed Multiplier J101 J108 166MHz 66MHz 2.5x Open 1 & 4, 2 & 5 200MHz 66MHz 3x Open 2 & 5 233MHz 66MHz 3.5x Open Open 266MHz 66MHz 4x Open 1 & 4, 3 & 6 Note: Pins designated should be in the closed position. CPU SPEED SELECTION (INTEL) CPU speed Clock speed Multiplier J101 J108 75MHz 50MHz 1.5x 1 & 4, 2 & Open 5, 3 & 6 90MHz 60MHz 1.5x 1 & 4 Open 100MHz 66MHz 1.5x Open Open 120MHz 60MHz 2x 1 & 4 1 & 4 133MHz 66MHz 2x Open 1 & 4 150MHz 60MHz 2.5x 1 & 4 1 & 4, 2 & 5 166MHz 66MHz 2.5x Open 1 & 4, 2 & 5 200MHz 66MHz 3x Open 2 & 5 Note: Pins designated should be in the closed position. CPU SPEED SELECTION (INTEL MMX) CPU speed Clock speed Multiplier J101 J108 166MHz 66MHz 2.5x Open 1 & 4, 2 & 5 200MHz 66MHz 3x Open 2 & 5 233MHz 66MHz 3.5x Open Open Note: Pins designated should be in the closed position. CPU VOLTAGE SELECTION (SINGLE) Voltage J104 Auto Pins 2 & 3, 5 & 6, 8 & 9, 11 & 12, 14 & 15, 17 & 18 closed 3.1v Pins 7 & 8, 13 & 14, 16 & 17 closed 3.33v Pins 7 & 8, 10 & 11, 16 & 17 closed 3.4v Pins 7 & 8, 10 & 11, 13 & 14 closed 3.52v Pins 7 & 8, 10 & 11, 13 & 14, 16 & 17 closed CPU VOLTAGE SELECTION (DUAL) Voltage V core J104 3.3v 2.0v Open 3.3v 2.1v Pins 16 & 17 closed 3.3v 2.2v Pins 13 & 14 closed 3.3v 2.3v Pins 13 & 14, 16 & 17 closed 3.3v 2.4v Pins 10 & 11 closed 3.3v 2.5v Pins 10 & 11, 16 & 17 closed 3.3v 2.6v Pins 10 & 11, 13 & 14 closed 3.3v 2.7v Pins 10 & 11, 13 & 14, 16 & 17 closed 3.3v 2.8v Pins 7 & 8 closed 3.3v 2.9v Pins 7 & 8, 16 & 17 closed 3.3v 3.0v Pins 7 & 8, 13 & 14 closed 3.3v 3.2v Pins 7 & 8, 10 & 11 closed