NMC INTERNATIONAL

NMC 5VM5 (ISA/PCI/AGP)

Device Type Mainboard
Processor CX 6X86/CX 6X86L/CX 6X86MX/IBM 6X86MX/IDT C6/AM K5/AM K6/Pentium/Pentium MMX
Processor Speed 166/200/233/250/266/300/333/366MHz
Chip Set VIA
Maximum Onboard Memory 384MB (EDO & SDRAM supported)
Cache 512KB (located on the CPU)
BIOS Award
Dimensions 220mm x 220mm
I/O Options 16-bit ISA slots (3), 32-bit PCI slots (4), floppy drive interface, IDE interfaces (2), parallel port, PS/2 keyboard port, PS/2 mouse interface, serial interfaces (2), IR connector, ATX power connector, AT power connector, AGP slot, Wake-on-LAN connector


CONNECTIONS

Purpose

Location

Purpose

Location

AGP slot

AGP

Speaker J2/Pins 4 - 7
AT power connector

AT

Power LED & Keylock J2/Pins 9 - 13
ATX power connector

ATX

IR connector J3/Pins 1 - 5
USB interface CN1 IDE interface LED J3/Pins 7 & 8
Serial interface 1 COM1 Turbo LED J3/Pins 9 & 10
Serial interface 2 COM2 Power switch J3/Pins 12 & 13
Floppy drive interface FDD CPU fan power J4
IDE interface 1 IDE1 Chassis fan power J6
IDE interface 2 IDE2 Wake-on-LAN connector J7
16-bit ISA slots IS1 - IS3 Keyboard port KB
PS/2 mouse interface J1 Parallel interface LPT
Reset switch J2/Pins 1 & 2 32-bit PCI slots

PC1 - PC4


USER CONFIGURABLE SETTINGS

Function

Label

Position

»

Power on Keyboard disabled JP4 Pins 1 & 2 closed
  Power on Keyboard enabled JP4 Pins 2 & 3 closed

»

SRAM clock speed at 66MHz JP5 Pins 1 & 2 closed
  SRAM clock speed at CPU clock speed JP5 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.


CPU SPEED SELECTION (CYRIX 6X86MX)

CPU speed

Clock speed

Multiplier

JP3

200MHz

66MHz

2.5x

Pins 3 & 4, 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)

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)

CPU speed

Clock speed

Multiplier

JP3

200MHz

66MHz

2.5x

Pins 3 & 4, 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)

CPU speed

Clock speed

Multiplier

JP3

200MHz

66MHz

3x

Pins 5 & 6, 17 & 18 closed


CPU SPEED SELECTION (PENTIUM)

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)

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

Voltage

JP2
2.1v Pins 1 & 2 closed
2.2v Pins 3 & 4 closed
2.4v Pins 5 & 6 closed
2.8v Pins 7 & 8 closed
2.9v Pins 9 & 10 closed
3.2v Pins 11 & 12 closed