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 Memory | 256MB (EDO & SDRAM supported) |
Maximum Video Memory | None |
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 |
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 alter | JP8C | Unidentified |
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 speed | Clock speed | Multiplier | JP3A | JP3B | JP3C | JP8A | JP8B |
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 speed | Clock speed | Multiplier | JP3A | JP3B | JP3C | JP8A | JP8B |
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 speed | Clock speed | Multiplier | JP3A | JP3B | JP3C | JP8A | JP8B |
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 speed | Clock speed | Multiplier | JP3A | JP3B | JP3C | JP8A | JP8B |
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 speed | Clock speed | Multiplier | JP3A | JP3B | JP3C | JP8A | JP8B |
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 speed | Clock speed | Multiplier | JP3A | JP3B | JP3C | JP8A | JP8B |
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 speed | Clock speed | Multiplier | JP3A | JP3B | JP3C | JP8A | JP8B |
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 speed | Clock speed | Multiplier | JP3A | JP3B | JP3C | JP8A | JP8B |
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 speed | Clock speed | Multiplier | JP3A | JP3B | JP3C | JP8A | JP8B |
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 |