NMC INTERNATIONAL
NMC 5VMX (ISA/PCI/AGP)
| Device Type | Mainboard |
| Processor | CX 6X86L/CX 6X86MX/IBM 6X86L/IBM
6X86MX/CX MII/ AM K5/AM K6/Pentium/Pentium MMX |
| Processor Speed | 166/200/233/266/300/333/366MHz |
| Chip Set | VIA |
| Maximum Onboard Memory | 384MB (EDO & SDRAM supported) |
| Cache | 1024KB (located on the CPU) |
| BIOS | Award |
| Dimensions | 305mm x 200mm |
| I/O Options | 16-bit ISA slots (2), 32-bit PCI slots (5), floppy drive interface, IDE interfaces (2), parallel port, PS/2 mouse port, PS/2 keyboard port, serial ports (2), IR connector, USB ports (2), ATX power connector, AGP slot, Wake-on-LAN connector, SB-Link connector |
CONNECTIONS |
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| Purpose | Location |
Purpose | Location |
| AGP slot | AGP |
Reset switch | J2/Pins 1 & 2 |
| ATX power connector | ATX |
Speaker | J2/Pins 4 - 7 |
| PS/2 mouse port | CN1 | Power LED & Keylock | J2/Pins 8 - 13 |
| PS/2 keyboard port | CN2 | IR connector | J3/Pins 1 - 5 |
| USB port 1 | CN3 | IDE interface LED | J3/Pins 7 & 8 |
| USB port 2 | CN4 | Turbo LED | J3/Pins 9 & 10 |
| Serial port 1 | CN5 | Soft off power supply | J3/Pins 12 & 13 |
| Serial port 2 | CN6 | CPU fan power | J4 |
| Parallel port | CN7 | Chassis fan power | J5 |
| Floppy drive interface | FDD | Power fan | J6 |
| IDE interface 1 | IDE1 | Wake-on-LAN connector | J7 |
| IDE interface 2 | IDE2 | SB-Link connector | J8 |
| 16-bit ISA slots | IS1 - IS2 | 32-bit PCI slots | PC1 - PC5 |
USER CONFIGURABLE SETTINGS |
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Function |
Label |
Position |
|
» |
Power on Keyboard disabled | JP4 | Pins 1 & 2 closed |
| Power on Keyboard enabled | JP4 | Pins 2 & 3 closed |
|
| » | SRAM clock at 66MHz | JP5 | Pins 1 & 2 closed |
|
SRAM clock at CPU bus clock speed | JP5 |
Pins 2 & 3 closed |
DIMM CONFIGURATION |
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Size |
Bank 0 |
Bank 1 |
Bank 2 |
8MB |
(1) 1M x 64 |
None |
None |
16MB |
(1) 1M x 64 |
(1) 1M x 64 |
None |
16MB |
(1) 2M x 64 |
None |
None |
24MB |
(1) 1M x 64 |
(1) 1M x 64 |
(1) 1M x 64 |
32MB |
(1) 2M x 64 |
(1) 2M x 64 |
None |
32MB |
(1) 4M x 64 |
None |
None |
32MB |
(1) 2M x 64 |
(1) 1M x 64 |
(1) 1M x 64 |
48MB |
(1) 2M x 64 |
(1) 2M x 64 |
(1) 2M x 64 |
48MB |
(1) 4M x 64 |
(1) 1M x 64 |
(1) 1M x 64 |
64MB |
(1) 4M x 64 |
(1) 4M x 64 |
None |
64MB |
(1) 8M x 64 |
None |
None |
64MB |
(1) 4M x 64 |
(1) 2M x 64 |
(1) 2M x 64 |
80MB |
(1) 8M x 64 |
(1) 1M x 64 |
(1) 1M x 64 |
96MB |
(1) 4M x 64 |
(1) 4M x 64 |
(1) 4M x 64 |
96MB |
(1) 8M x 64 |
(1) 2M x 64 |
(1) 2M x 64 |
128MB |
(1) 8M x 64 |
(1) 8M x 64 |
None |
128MB |
(1) 16M x 64 |
None |
None |
128MB |
(1) 8M x 64 |
(1) 4M x 64 |
(1) 4M x 64 |
144MB |
(1) 16M x 64 |
(1) 1M x 64 |
(1) 1M x 64 |
160MB |
(1) 16M x 64 |
(1) 2M x 64 |
(1) 2M x 64 |
192MB |
(1) 8M x 64 |
(1) 8M x 64 |
(1) 8M x 64 |
192MB |
(1) 16M x 64 |
(1) 4M x 64 |
(1) 4M x 64 |
256MB |
(1) 16M x 64 |
(1) 16M x 64 |
None |
256MB |
(1) 16M x 64 |
(1) 8M x 64 |
(1) 8M x 64 |
384MB |
(1) 16M x 64 |
(1) 16M x 64 |
(1) 16M x 64 |
| Note: Board supports EDO & SDRAM memory. | |||
CPU SPEED SELECTION (CYRIX 6X86MX) |
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CPU speed |
Clock speed |
Multiplier |
JP3 |
200MHz |
66MHz |
2x |
Pins 1 & 2, 17 & 18 closed |
233MHz |
75MHz |
2.5x |
Pins 3 & 4, 19 & 20 closed |
266MHz |
66MHz |
3x |
Pins 5 & 6, 17 & 18 closed |
266MHz |
83MHz |
2.5x |
Pins 3 & 4, 21 & 22 closed |
CPU SPEED SELECTION (CYRIX MII) |
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CPU speed |
Clock speed |
Multiplier |
JP3 |
300MHz |
66MHz |
3.5x |
Pins 7 & 8, 17 & 18 closed |
300MHz |
75MHz |
3x |
Pins 5 & 6, 19 & 20 closed |
300MHz |
95MHz |
2.5x |
Pins 3 & 4, 23 & 24 closed |
333MHz |
66MHz |
4x |
Pins 9 & 10, 17 & 18 closed |
333MHz |
75MHz |
3.5x |
Pins 7 & 8, 19 & 20 closed |
333MHz |
83MHz |
3x |
Pins 5 & 6, 21 & 22 closed |
366MHz |
100MHz |
2.5x |
Pins 3 & 4, 25 & 26 closed |
CPU SPEED SELECTION (IBM 6X86MX) |
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CPU speed |
Clock speed |
Multiplier |
JP3 |
200MHz |
66MHz |
2x |
Pins 1 & 2, 17 & 18 closed |
233MHz |
75MHz |
2.5x |
Pins 3 & 4, 19 & 20 closed |
266MHz |
66MHz |
3x |
Pins 5 & 6, 17 & 18 closed |
266MHz |
83MHz |
2.5x |
Pins 3 & 4, 21 & 22 closed |
CPU SPEED SELECTION (IDT C6) |
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CPU speed |
Clock speed |
Multiplier |
JP3 |
200MHz |
66MHz |
3x |
Pins 5 & 6, 17 & 18 closed |
CPU SPEED SELECTION (PENTIUM) |
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CPU speed |
Clock speed |
Multiplier |
JP3 |
166MHz |
66MHz |
2.5x |
Pins 3 & 4, 17 & 18 closed |
200MHz |
66MHz |
3x |
Pins 5 & 6, 17 & 18 closed |
CPU SPEED SELECTION (PENTIUM MMX) |
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CPU speed |
Clock speed |
Multiplier |
JP3 |
166MHz |
66MHz |
2.5x |
Pins 3 & 4, 17 & 18 closed |
200MHz |
66MHz |
3x |
Pins 5 & 6, 17 & 18 closed |
233MHz |
66MHz |
3.5x |
Pins 7 & 8, 17 & 18 closed |
CPU VOLTAGE SELECTION |
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Voltage |
SW1/1 | SW1/2 | SW1/3 | SW1/4 | SW1/5 |
| 1.8v | Off | On | Off | On | On |
| 2v | Off | On | On | On | On |
| 2.1v | On | Off | Off | Off | Off |
| 2.2v | Off | On | Off | Off | Off |
| 2.3v | On | On | Off | Off | Off |
| 2.4v | Off | Off | On | Off | Off |
| 2.8v | Off | Off | Off | On | Off |
| 2.9v | On | Off | Off | On | Off |
| 3.2v | Off | Off | On | On | Off |