NMC INTERNATIONAL
NMC 5VXC (ISA/PCI)
| Device Type | Mainboard |
| Processor | CX 6X86/CX 6X86L/CX 6X86MX/IBM 6X86/IBM 6X86L/IBM 6X86MX/AM K5/AM K6/Pentium/Pentium MMX |
| Processor Speed | 90/100/120/133/150/166/180/200/233/240/266/300/333MHz |
| Chip Set | VIA |
| Maximum Onboard Memory | 192MB (EDO & SDRAM supported) |
| Cache | 512KB |
| BIOS | Award |
| Dimensions | 220mm x 210mm |
| I/O Options | 16-bit ISA slots (3), 32-bit PCI slots (4), floppy drive interface, IDE interfaces (2), parallel interface, AT keyboard port, PS/2 mouse interface, serial interfaces (2), IR connector, ATX power connector, Wake-on-LAN connector, USB interface |
CONNECTIONS |
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| Purpose | Location |
Purpose | Location |
| ATX power connector | ATX |
Power LED & Keylock | J5/Pins 1 - 5 |
| Serial interface 1 | COM1 | Speaker | J5/Pins 7 - 10 |
| Serial interface 2 | COM2 | Reset switch | J5/Pins 12 & 13 |
| Floppy drive interface | FDD | Green PC connector | J5/Pins 15 & 16 |
| IDE interface 1 | IDE1 | Turbo LED | J5/Pins 18 & 19 |
| IDE interface 2 | IDE2 | IDE interface LED | J5/Pins 21 & 22 |
| 16-bit ISA slots | IS1 - IS3 | Green PC LED | J5/Pins 24 & 25 |
| IR connector | J1 | Parallel interface | LPT |
| PS/2 mouse interface | J2 | 32-bit PCI slots | PC1 - PC4 |
| CPU fan power | J4 | ||
SIMM CONFIGURATION |
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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) 4M x 36 |
(2) 4M x 36 |
| Note: Board accepts EDO & SDRAM memory. | ||
DIMM CONFIGURATION |
|
Size |
Bank 0 |
8MB |
(1) 1M x 64 |
16MB |
(1) 2M x 64 |
32MB |
(1) 4M x 64 |
64MB |
(1) 8M x 64 |
128MB |
(1) 16M x 64 |
| Note: Board accepts EDO & SDRAM memory. | |
CPU SPEED SELECTION (CX 6X86) |
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CPU speed |
Clock speed |
Multiplier |
J3 |
J6 | J7 |
J8 |
150MHz |
60MHz |
2x |
3 & 4, 5 & 6 | 2 & 3 | 1 & 2 | 1 & 2 |
166MHz |
66MHz |
2x |
1 & 2, 5 & 6 | 2 & 3 | 1 & 2 | 1 & 2 |
200MHz |
75MHz |
2x |
3 & 4, 7 & 8 | 2 & 3 | 1 & 2 | 1 & 2 |
| Note: Pins designated should be in the closed position. | ||||||
CPU SPEED SELECTION (CX 6X86L) |
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CPU speed |
Clock speed |
Multiplier |
J3 |
J6 | J7 |
J8 |
150MHz |
60MHz |
2x |
3 & 4, 5 & 6 | 2 & 3 | 1 & 2 | 1 & 2 |
166MHz |
66MHz |
2x |
1 & 2, 5 & 6 | 2 & 3 | 1 & 2 | 1 & 2 |
200MHz |
75MHz |
2x |
3 & 4, 7 & 8 | 2 & 3 | 1 & 2 | 1 & 2 |
| Note: Pins designated should be in the closed position. | ||||||
CPU SPEED SELECTION (CX 6X86MX) |
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CPU speed |
Clock speed |
Multiplier |
J3 |
J6 | J7 |
J8 |
166MHz |
60MHz |
2.5x |
3 & 4, 5 & 6 | 2 & 3 | 2 & 3 | 1 & 2 |
166MHz |
66MHz |
2x |
1 & 2, 5 & 6 | 2 & 3 | 1 & 2 | 1 & 2 |
200MHz |
66MHz |
2.5x |
1 & 2, 5 & 6 | 2 & 3 | 2 & 3 | 1 & 2 |
200MHz |
75MHz |
2x |
3 & 4, 7 & 8 | 2 & 3 | 1 & 2 | 1 & 2 |
233MHz |
66MHz |
3x |
1 & 2, 5 & 6 | 1 & 2 | 2 & 3 | 1 & 2 |
233MHz |
75MHz |
2.5x |
3 & 4, 7 & 8 | 2 & 3 | 2 & 3 | 1 & 2 |
266MHz |
66MHz |
3.5x |
1 & 2, 5 & 6 | 1 & 2 | 1 & 2 | 1 & 2 |
266MHz |
75MHz |
3x |
3 & 4, 7 & 8 | 1 & 2 | 2 & 3 | 1 & 2 |
| Note: Pins designated should be in the closed position. | ||||||
CPU SPEED SELECTION (IBM 6X86) |
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CPU speed |
Clock speed |
Multiplier |
J3 |
J6 | J7 |
J8 |
150MHz |
60MHz |
2x |
3 & 4, 5 & 6 | 2 & 3 | 1 & 2 | 1 & 2 |
166MHz |
66MHz |
2x |
1 & 2, 5 & 6 | 2 & 3 | 1 & 2 | 1 & 2 |
200MHz |
75MHz |
2x |
3 & 4, 7 & 8 | 2 & 3 | 1 & 2 | 1 & 2 |
| Note: Pins designated should be in the closed position. | ||||||
CPU SPEED SELECTION (IBM 6X86L) |
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CPU speed |
Clock speed |
Multiplier |
J3 |
J6 | J7 |
J8 |
150MHz |
60MHz |
2x |
3 & 4, 5 & 6 | 2 & 3 | 1 & 2 | 1 & 2 |
166MHz |
66MHz |
2x |
1 & 2, 5 & 6 | 2 & 3 | 1 & 2 | 1 & 2 |
200MHz |
75MHz |
2x |
3 & 4, 7 & 8 | 2 & 3 | 1 & 2 | 1 & 2 |
| Note: Pins designated should be in the closed position. | ||||||
CPU SPEED SELECTION (IBM 6X86MX) |
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CPU speed |
Clock speed |
Multiplier |
J3 |
J6 | J7 |
J8 |
166MHz |
60MHz |
2.5x |
3 & 4, 5 & 6 | 2 & 3 | 2 & 3 | 1 & 2 |
166MHz |
66MHz |
2x |
1 & 2, 5 & 6 | 2 & 3 | 1 & 2 | 1 & 2 |
200MHz |
66MHz |
2.5x |
1 & 2, 5 & 6 | 2 & 3 | 2 & 3 | 1 & 2 |
200MHz |
75MHz |
2x |
3 & 4, 7 & 8 | 2 & 3 | 1 & 2 | 1 & 2 |
233MHz |
66MHz |
3x |
1 & 2, 5 & 6 | 1 & 2 | 2 & 3 | 1 & 2 |
233MHz |
75MHz |
2.5x |
3 & 4, 7 & 8 | 2 & 3 | 2 & 3 | 1 & 2 |
266MHz |
66MHz |
3.5x |
1 & 2, 5 & 6 | 1 & 2 | 1 & 2 | 1 & 2 |
266MHz |
75MHz |
3x |
3 & 4, 7 & 8 | 1 & 2 | 2 & 3 | 1 & 2 |
| Note: Pins designated should be in the closed position. | ||||||
CPU SPEED SELECTION (AM K5) |
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CPU speed |
Clock speed |
Multiplier |
J3 |
J6 | J7 |
J8 |
100MHz |
66MHz |
1.5x |
1 & 2, 5 & 6 | 1 & 2 | 1 & 2 | 1 & 2 |
120MHz |
60MHz |
2x |
3 & 4, 5 & 6 | 2 & 3 | 1 & 2 | 1 & 2 |
133MHz |
66MHz |
2x |
1 & 2, 5 & 6 | 2 & 3 | 1 & 2 | 1 & 2 |
150MHz |
60MHz |
2.5x |
3 & 4, 7 & 8 | 2 & 3 | 2 & 3 | 1 & 2 |
166MHz |
66MHz |
2.5x |
1 & 2, 5 & 6 | 2 & 3 | 2 & 3 | 1 & 2 |
| Note: Pins designated should be in the closed position. | ||||||
CPU SPEED SELECTION (AM K6) |
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CPU speed |
Clock speed |
Multiplier |
J3 |
J6 | J7 |
J8 |
166MHz |
66MHz |
2.5x |
1 & 2, 5 & 6 | 2 & 3 | 2 & 3 | 1 & 2 |
200MHz |
66MHz |
3x |
1 & 2, 5 & 6 | 1 & 2 | 2 & 3 | 1 & 2 |
233MHz |
66MHz |
3.5x |
1 & 2, 5 & 6 | 1 & 2 | 1 & 2 | 1 & 2 |
| Note: Pins designated should be in the closed position. | ||||||
CPU SPEED SELECTION (IDT C6) |
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CPU speed |
Clock speed |
Multiplier |
J3 |
J6 | J7 |
J8 |
120MHz |
60MHz |
2x |
3 & 4, 5 & 6 | 2 & 3 | 1 & 2 | 1 & 2 |
133MHz |
66MHz |
2x |
1 & 2, 5 & 6 | 2 & 3 | 1 & 2 | 1 & 2 |
180MHz |
60MHz |
3x |
3 & 4, 5 & 6 | 1 & 2 | 2 & 3 | 1 & 2 |
200MHz |
66MHz |
3x |
1 & 2, 5 & 6 | 1 & 2 | 2 & 3 | 1 & 2 |
240MHz |
60MHz |
4x |
3 & 4, 5 & 6 | 2 & 3 | 1 & 2 | 2 & 3 |
266MHz |
66MHz |
4x |
1 & 2, 5 & 6 | 2 & 3 | 1 & 2 | 2 & 3 |
300MHz |
60MHz |
5x |
3 & 4, 5 & 6 | 1 & 2 | 2 & 3 | 2 & 3 |
333MHz |
66MHz |
5x |
1 & 2, 5 & 6 | 1 & 2 | 2 & 3 | 2 & 3 |
| Note: Pins designated should be in the closed position. | ||||||
CPU SPEED SELECTION (PENTIUM) |
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CPU speed |
Clock speed |
Multiplier |
J3 |
J6 | J7 |
J8 |
90MHz |
60MHz |
1.5x |
3 & 4, 5 & 6 | 1 & 2 | 1 & 2 | 1 & 2 |
100MHz |
66MHz |
1.5x |
1 & 2, 5 & 6 | 1 & 2 | 1 & 2 | 1 & 2 |
120MHz |
60MHz |
2x |
3 & 4, 5 & 6 | 2 & 3 | 1 & 2 | 1 & 2 |
133MHz |
66MHz |
2x |
1 & 2, 5 & 6 | 2 & 3 | 1 & 2 | 1 & 2 |
150MHz |
60MHz |
2.5x |
3 & 4, 5 & 6 | 2 & 3 | 2 & 3 | 1 & 2 |
166MHz |
66MHz |
2.5x |
1 & 2, 5 & 6 | 2 & 3 | 2 & 3 | 1 & 2 |
200MHz |
66MHz |
3x |
1 & 2, 5 & 6 | 1 & 2 | 2 & 3 | 1 & 2 |
| Note: Pins designated should be in the closed position. | ||||||
CPU SPEED SELECTION (PENTIUM MMX) |
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CPU speed |
Clock speed |
Multiplier |
J3 |
J6 | J7 |
J8 |
166MHz |
66MHz |
2.5x |
1 & 2, 5 & 6 | 2 & 3 | 2 & 3 | 1 & 2 |
200MHz |
66MHz |
3x |
1 & 2, 5 & 6 | 1 & 2 | 2 & 3 | 1 & 2 |
233MHz |
66MHz |
3.5x |
1 & 2, 5 & 6 | 1 & 2 | 1 & 2 | 1 & 2 |
| Note: Pins designated should be in the closed position. | ||||||
CPU VOLTAGE SELECTION |
|
Voltage |
J9 |
| 2.1v | Pins 1 & 2 closed |
| 2.2v | Pins 3 & 4 closed |
| 2.8v | Pins 5 & 6 closed |
| 2.9v | Pins 7 & 8 closed |
| 3.2v | Pins 9 & 10 closed |