NMC INTERNATIONAL
NMC 6VB+
| Device Type | Mainboard |
| Processor | Celeron |
| Processor Speed | 266/300/333/400/450MHz |
| Chip Set | VIA |
| Maximum Onboard Memory | 384MB (EDO & SDRAM supported) |
| Cache | 256/512KB (located on the Pentium II CPU) |
| BIOS | Award |
| Dimensions | Unidentified |
| I/O Options | 16-bit ISA slots (2), 32-bit PCI slots (3), floppy drive interface, IDE interfaces (2), parallel interface, PS/2 mouse interface, USB interface, serial interfaces (2), IR connector, ATX power connector, AT power connector, AGP slot, Wake-on-LAN connector, USB interface, Keyboard port |
CONNECTIONS |
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| Purpose | Location |
Purpose | Location |
| AGP slot | AGP |
Power LED & Keylock | J2/Pins 9 - 13 |
| AT power connector | AT |
IR connector | J3/Pins 1 - 5 |
| ATX power connector | ATX |
IDE connector LED | J3/Pins 7 & 8 |
| Serial interface 1 | COM1 | Turbo LED | J3/Pins 9 & 10 |
| Serial interface 2 | COM2 | Soft off power supply | J3/Pins 12 & 13 |
| Floppy drive interface | FDD | CPU fan power | J4 |
| IDE interface 1 | IDE1 | Wake-on-LAN connector | J7 |
| IDE interface 2 | IDE2 | Keyboard connector | KB |
| 16-bit ISA slots | IS1 - IS2 | Parallel interface | LPT |
| PS/2 mouse interface | J1 | 32-bit PCI slots | PC1 - PC3 |
| Reset switch | J2/Pins 1 & 2 | USB interface | USB |
| Speaker | J2/Pins 4 - 7 | ||
USER CONFIGURABLE SETTINGS |
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Function |
Label |
Position |
|
» |
CMOS memory normal operation | JP1 |
Pins 1 & 2 closed |
| CMOS memory clear | JP1 |
Pins 2 & 3 closed |
|
|
DIMM clock selected at CPU clock speed | JP5 | Pins 1 & 2 closed |
| DIMM clock selected at AGP clock speed | JP5 | Pins 2 & 3 closed |
|
| Auto CPU bus clock selected | JP6 | Pins 1 & 2 closed |
|
| 100MHz CPU bus clock selected | JP6 | Pins 2 & 3 closed |
|
| DIMM CONFIGURATION | |||
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. Maximum SDRAM is 192MB. Maximum EDO is 384MB. *: Memory configurations require EDO memory. |
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CACHE CONFIGURATION |
| Note: 256KB/512KB cache is located on the Pentium II CPUs. |
CPU SPEED SELECTION |
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CPU speed |
Clock Speed | SW1/1 | SW1/2 | SW1/3 | SW1/4 |
266MHz |
66MHz | Off | On | On | On |
300MHz |
66MHz | Off | On | Off | On |
333MHz |
66MHz | Off | Off | On | On |
| 366MHz | 66MHz | Off | Off | Off | On |
400MHz |
66MHz | Off | On | On | On |
| 433MHz | 66MHz | On | On | On | Off |
| 450MHz | 100MHz | Off | On | Off | On |