EURONE (HK) CO., LTD. EM-5900 Device Type Mainboard Processor CX 6X86/CX 6X86L/CX M2/IBM 6X86/IBM6X86L/IBM M2/AM K5/ AM K6/Pentium Processor Speed 75/90/100/120/133/150/166/180/200/233MHz Chip Set Intel Video Chip Set None Maximum Onboard 256MB (EDO & SDRAM supported) Memory Maximum Video None Memory Cache 512KB BIOS AMI 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) NPU Options None [Image] CONNECTIONS Purpose Location Purpose Location Serial port 2 CN1 External battery J5 Serial port 1 CN2 Reset switch J7A Parallel port CN3 IDE interface LED J7B Floppy drive interface CN4 Green PC LED J7C IDE interface 2 CN5 Green PC connector J7D IDE interface 1 CN6 Power LED & keylock J8A Chassis fan power FAN Speaker J8B IR connector IR1 32-bit PCI slots PC1 – PC4 USB connector 1 J3 PS/2 mouse interface PS2 USB connector 2 J4 USER CONFIGURABLE SETTINGS Function Label Position Battery type select internal J5 Pins 2 & 3 closed CMOS memory clear J5 Pins 3 & 4 closed » Factory configured – do not JP8C Unidentified alter DIMM/ SIMM CONFIGURATION Size Bank 0 Bank 1 Bank 2 Bank 3 8MB (2) 1M x 36 None None None 8MB None None (1) 1M x 64 None 16MB (2) 2M x 36 None None None 16MB None None (1) 2M x 64 None 16MB (2) 1M x 36 (2) 1M x 36 None None 16MB (2) 1M x 36 None None (1) 1M x 64 16MB None None (1) 1M x 64 (1) 1M x 64 24MB None (2) 2M x 36 (1) 1M x 64 None 32MB (2) 4M x 36 None None None 32MB None None (1) 4M x 64 None 32MB (2) 2M x 36 None None (1) 2M x 64 32MB None (2) 2M x 36 (1) 2M x 64 None 40MB (2) 4M x 36 (2) 1M x 36 None None 40MB (2) 4M x 36 None None (1) 1M x 64 48MB (2) 2M x 36 None None (1) 4M x 64 48MB (2) 4M x 36 (2) 2M x 36 None None 48MB (2) 4M x 36 None None (1) 2M x 64 DIMM/SIMM CONFIGURATION (CON’T) Size Bank 0 Bank 1 Bank 2 Bank 3 64MB (2) 8M x 36 None None None 64MB None None None (1) 8M x 64 64MB (2) 4M x 36 (2) 4M x 36 None None 64MB (2) 4M x 36 None None (1) 4M x 64 72MB (2) 8M x 36 (2) 1M x 36 None None 72MB (2) 8M x 36 None None (1) 1M x 64 80MB (2) 2M x 36 None None (1) 8M x 64 80MB (2) 8M x 36 (2) 2M x 36 None None 80MB (2) 8M x 36 None None (1) 2M x 64 96MB (2) 4M x 36 None None (1) 8M x 64 96MB (2) 8M x 36 (2) 4M x 36 None None 96MB (2) 8M x 36 None None (1) 4M x 64 128MB (2) 8M x 36 (2) 8M x 36 None None 128MB (2) 8M x 36 None None (1) 8M x 64 192MB None (2) 8M x 36 (1) 8M x 64 (1) 8M x 64 256MB (2) 8M x 36 (2) 8M x 36 (1) 8M x 64 (1) 8M x 64 Note: Board accepts EDO & SDRAM memory. Banks 0 & 1, 2 & 3 are interchangeable. DIMM VOLTAGE CONFIGURATION Voltage JP1 JP2 3.3v Pins 2 & 3 closed Pins 2 & 3 closed 5v Pins 1 & 2 closed Pins 1 & 2 closed CACHE CONFIGURATION Size Bank 0 512KB (2) 64K x 32 CPU SPEED SELECTION (CX 6X86) CPU Clock Multiplier JP3A JP3B JP3C JP8A JP8B speed speed 120MHz 50MHz 2x 2 & 3 2 & 3 1 & 2 2 & 3 1 & 2 133MHz 55MHz 2x 2 & 3 1 & 2 2 & 3 2 & 3 1 & 2 150MHz 60MHz 2x 2 & 3 1 & 2 1 & 2 2 & 3 1 & 2 166MHz 66MHz 2x 1 & 2 2 & 3 1 & 2 2 & 3 1 & 2 Note: Pins designated should be in the closed position. CPU SPEED SELECTION (IBM 6X86) CPU Clock Multiplier JP3A JP3B JP3C JP8A JP8B speed speed 120MHz 50MHz 2x 2 & 3 2 & 3 1 & 2 2 & 3 1 & 2 133MHz 55MHz 2x 2 & 3 1 & 2 2 & 3 2 & 3 1 & 2 150MHz 60MHz 2x 2 & 3 1 & 2 1 & 2 2 & 3 1 & 2 166MHz 66MHz 2x 1 & 2 2 & 3 1 & 2 2 & 3 1 & 2 Note: Pins designated should be in the closed position. CPU SPEED SELECTION (CX 6X86L) CPU Clock Multiplier JP3A JP3B JP3C JP8A JP8B speed speed 150MHz 60MHz 2x 2 & 3 1 & 2 1 & 2 2 & 3 1 & 2 166MHz 66MHz 2x 1 & 2 2 & 3 1 & 2 2 & 3 1 & 2 200MHz 75MHz 2x 1 & 2 2 & 3 2 & 3 2 & 3 1 & 2 Note: Pins designated should be in the closed position. CPU SPEED SELECTION (IBM 6X86L) CPU Clock Multiplier JP3A JP3B JP3C JP8A JP8B speed speed 150MHz 60MHz 2x 2 & 3 1 & 2 1 & 2 2 & 3 1 & 2 166MHz 66MHz 2x 1 & 2 2 & 3 1 & 2 2 & 3 1 & 2 200MHz 75MHz 2x 1 & 2 2 & 3 2 & 3 2 & 3 1 & 2 Note: Pins designated should be in the closed position. CPU SPEED SELECTION (CX M2) CPU Clock Multiplier JP3A JP3B JP3C JP8A JP8B speed speed 166MHz 66MHz 2.5x 1 & 2 2 & 3 1 & 2 2 & 3 2 & 3 200MHz 66MHz 3x 1 & 2 2 & 3 1 & 2 1 & 2 2 & 3 233MHz 66MHz 3.5x 1 & 2 2 & 3 1 & 2 1 & 2 1 & 2 Note: Pins designated should be in the closed position. CPU SPEED SELECTION (AM K5) CPU Clock Multiplier JP3A JP3B JP3C JP8A JP8B speed speed 75MHz 50MHz 1.5x 2 & 3 2 & 3 1 & 2 1 & 2 1 & 2 90MHz 60MHz 1.5x 2 & 3 1 & 2 1 & 2 1 & 2 1 & 2 100MHz 66MHz 1.5x 1 & 2 2 & 3 1 & 2 1 & 2 1 & 2 120MHz 60MHz 2x 2 & 3 1 & 2 1 & 2 2 & 3 1 & 2 133MHz 66MHz 2x 1 & 2 2 & 3 1 & 2 2 & 3 1 & 2 150MHz 60MHz 2.5x 2 & 3 1 & 2 1 & 2 2 & 3 2 & 3 166MHz 66MHz 2.5x 1 & 2 2 & 3 1 & 2 2 & 3 2 & 3 180MHz 60MHz 3x 2 & 3 1 & 2 1 & 2 1 & 2 2 & 3 200MHz 66MHz 3x 1 & 2 2 & 3 1 & 2 1 & 2 2 & 3 Note: Pins designated should be in the closed position. CPU SPEED SELECTION (AM K6) CPU Clock Multiplier JP3A JP3B JP3C JP8A JP8B speed speed 166MHz 66MHz 2.5x 1 & 2 2 & 3 1 & 2 2 & 3 2 & 3 200MHz 66MHz 3x 1 & 2 2 & 3 1 & 2 1 & 2 2 & 3 233MHz 66MHz 3.5x 1 & 2 2 & 3 1 & 2 1 & 2 1 & 2 Note: Pins designated should be in the closed position. CPU SPEED SELECTION (INTEL) CPU Clock Multiplier JP3A JP3B JP3C JP8A JP8B speed speed 75MHz 50MHz 1.5x 2 & 3 2 & 3 1 & 2 1 & 2 1 & 2 90MHz 60MHz 1.5x 2 & 3 1 & 2 1 & 2 1 & 2 1 & 2 100MHz 66MHz 1.5x 1 & 2 2 & 3 1 & 2 1 & 2 1 & 2 120MHz 60MHz 2x 2 & 3 1 & 2 1 & 2 2 & 3 1 & 2 133MHz 66MHz 2x 1 & 2 2 & 3 1 & 2 2 & 3 1 & 2 150MHz 60MHz 2.5x 2 & 3 1 & 2 1 & 2 2 & 3 2 & 3 166MHz 66MHz 2.5x 1 & 2 2 & 3 1 & 2 2 & 3 2 & 3 180MHz 60MHz 3x 2 & 3 1 & 2 1 & 2 1 & 2 2 & 3 200MHz 66MHz 3x 1 & 2 2 & 3 1 & 2 1 & 2 2 & 3 Note: Pins designated should be in the closed position. CPU SPEED SELECTION (INTEL MMX) CPU Clock Multiplier JP3A JP3B JP3C JP8A JP8B speed speed 166MHz 66MHz 2.5x 1 & 2 2 & 3 1 & 2 2 & 3 2 & 3 200MHz 66MHz 3x 1 & 2 2 & 3 1 & 2 1 & 2 2 & 3 233MHz 66MHz 3.5x 1 & 2 2 & 3 1 & 2 1 & 2 1 & 2 Note: Pins designated should be in the closed position. CPU TYPE SELECTION Type JP10A JP10B AM K5 Pins 1 & 2 closed Pins 1 & 2 closed P54C Pins 1 & 2 closed Pins 1 & 2 closed CX M2 Pins 2 & 3 closed Pins 2 & 3 closed AM K6 Pins 2 & 3 closed Pins 2 & 3 closed CX 6X86 Pins 1 & 2 closed Pins 1 & 2 closed IBM 6X86 Pins 1 & 2 closed Pins 1 & 2 closed CX 6X86L Pins 2 & 3 closed Pins 2 & 3 closed IBM 6X86L Pins 2 & 3 closed Pins 2 & 3 closed P55C Pins 2 & 3 closed Pins 2 & 3 closed CPU VOLTAGE SELECTION Voltage JP7A JP7B JP7C JP7D JP7E 2.5v Open Open Open Open Open 2.8v Open Open Open Open Closed 2.9v Open Open Open Closed Open 3.2v Open Open Closed Open Open 3.3v Open Closed Open Open Open 3.5v Closed Open Open Open Open