NMC INTERNATIONAL

NMC 6BFX+
Device Type Mainboard
Processor Pentium II
Processor Speed 200/233/266/300/333/350/366/400/450MHz
Chip Set Intel 440BX
Video Chip Set Intel
Audio Chip Set Yamaha
Maximum Onboard Memory 768MB (EDO & SDRAM supported)
Maximum Video Memory 8MB
Maximum Audio Memory Unidentified
Cache 512KB (located on the Pentium II CPU)
BIOS Award
Dimensions Unidentified
I/O Options 16-bit ISA slots (2), 32-bit PCI slots (4), floppy drive interface, IDE interfaces (2), parallel port, PS/2 mouse port, PS/2 keyboard port, USB ports (2), serial port, IR connector, ATX power connector, Wake-on-LAN connector, VGA port, Serial interface, Line in, Line out, microphone in, Game/MIDI port, Audio in - CD-ROM (3)


CONNECTIONS

Purpose

Location

Purpose

Location

ATX power connector

ATX

Floppy drive interface FDD
PS/2 mouse port CN1 IDE interface 1 IDE1
PS/2 keyboard port CN2 IDE interface 2 IDE2
USB port 1 CN3 16-bit ISA slots IS1 - IS2
USB port 2 CN4 Reset switch J2/Pins 1 & 2
Serial port 1 CN5 Speaker J2/Pins 5 - 7
VGA port CN6 Power LED & Keylock J2/Pins 9 - 13
Parallel port CN7 IR connector J3/Pins 1 - 5
Line out CN8 IDE connector LED J3/Pins 7 & 8
Line in CN9 Turbo LED J3/Pins 9 & 10
Microphone in CN10 Power switch J3/Pins 12 & 13
Game/MIDI port CN11 CPU fan power J4
Audio in - CD-ROM (Mitsumi) CD1 Power fan J5
Audio in - CD-ROM (Sony) CD2 Chassis fan power J6
Audio in - CD-ROM (Panasonic) CD3 Wake-on-LAN connector J7
Serial interface COM2 32-bit PCI slots

PC1 - PC4


USER CONFIGURABLE SETTINGS

Function

Label

Position

»

 CMOS memory normal operation

JP1

Pins 1 & 2 closed
  CMOS memory clear

JP1

Pins 2 & 3 closed
» PCI sound disabled JP7 Pins 2 & 3 closed
  PCI sound enabled JP7 Pins 1 & 2 closed

»

 Power on Keyboard disabled JP13 Pins 2 & 3 closed
  Power on Keyboard enabled JP13 Pins 1 & 2 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) 32M x 64

None

None

256MB

(1) 16M x 64

(1) 8M x 64

(1) 8M x 64

*272MB

(1) 32M x 64

(1) 1M x 64

(1) 1M x 64

*288MB

(1) 32M x 64

(1) 2M x 64

(1) 2M x 64

*320MB

(1) 32M x 64

(1) 4M x 64

(1) 4M x 64

384MB

(1) 16M x 64

(1) 16M x 64

(1) 16M x 64

*384MB

(1) 32M x 64

(1) 8M x 64

(1) 8M x 64

*512MB

(1) 32M x 64

(1) 32M x 64

None

*512MB

(1) 32M x 64

(1) 16M x 64

(1) 16M x 64

*768MB

(1) 32M x 64

(1) 32M x 64

(1) 32M x 64
Note:  Board supports EDO & SDRAM memory. Maximum SDRAM is 384MB. Maximum EDO is 768MB.
*: Memory configurations require EDO memory.


CACHE CONFIGURATION

Note:  256KB/512KB cache is located on the Pentium II CPUs. 


CPU SPEED SELECTION (PENTIUM)

CPU speed

Clock speed

Multiplier

 JP3

200MHz

66MHz

3x

Pins 1 & 2, 15 & 16 closed

233MHz

66MHz

3.5x

Pins 3 & 4, 15 & 16 closed

266MHz

66MHz

4x

Pins 5 & 6, 15 & 16 closed

300MHz

66MHz

4.5x

Pins 7 & 8, 15 & 16 closed

300MHz

100MHz

3x

Pins 1 & 2, 17 & 18 closed

333MHz

66MHz

5x

Pins 9 & 10, 15 & 16 closed

350MHz

100MHz

3.5x

Pins 3 & 4, 17 & 18 closed

400MHz

100MHz

4x

Pins 5 & 6, 17 & 18 closed

450MHz

100MHz

4.5x

Pins 7 & 8, 17 & 18 closed