OCEAN INFORMATION SYSTEMS, INC.

RHINO 18
Device Type Mainboard
Processor CX 6X86/IBM 6X86/CX 6X86MX/AM K5/AM K6/Pentium/Pentium MMX
Processor Speed 75/90/100/120/133/150/166/180/200/233MHz
Chip Set VIA
Maximum Onboard Memory 256MB (EDO & SDRAM supported)
Cache 256/512KB
BIOS Award
Dimensions 216mm x 236mm
I/O Options 32-bit PCI slots (4), 16-bit ISA slots (3), floppy drive interface, green PC connector, IDE interfaces (2), AT Keyboard port, parallel port, PS/2 mouse port, serial ports (2), USB interface, ATX power connector, AT power connector


CONNECTIONS

Purpose

Location

Purpose

Location

AT power connector AT Floppy drive interface FDC1
ATX power connector ATX IDE interface 1 IDE1
Power LED & keylock CN1/Pins 1, 3, 5, 7 & 9 IDE interface 2 IDE2
Speaker CN1/Pins 13, 15, 17 & 19 16-bit ISA slots IS1 - IS3
Reset switch CN1/Pins 18 & 20 Power switch J1
Green PC connector CN1/Pins 10 & 12 PS/2 mouse port J5
IDE interface LED CN1/Pins 23 & 24 AT keyboard port J5B
Unidentified CN3 USB interface JP1
Serial port 1 COM1 Parallel port LPT1
Serial port 2 COM2 32-bit PCI slots PC1 - PC4


USER CONFIGURABLE SETTINGS

Function

Label

Position

»

 Factory configured - do not alter

J2

Unidentified

»

 CMOS memory normal operation

JBAT1

Pins 1 & 2 closed
  CMOS memory clear

JBAT1

Pins 2 & 3 closed

»

 Factory configured - do not alter

JCK8

Unidentified

»

 Factory configured - do not alter

JP2

Unidentified


SIMM CONFIGURATION

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) 8M x 36

None

64MB

(2) 4M x 36

(2) 4M x 36

72MB

(2) 8M x 36

(2) 1M x 36

80MB

(2) 8M x 36

(2) 2M x 36

96MB

(2) 8M x 36

(2) 4M x 36

128MB

(2) 8M x 36

(2) 8M x 36

Note: Board supports EDO 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 supports EDO & SDRAM memory.


DIMM/SIMM VOLTAGE CONFIGURATION

Voltage

JCK9 JCK10
» 3.3V Pins 1 & 2 closed Pins 1 & 2 closed
  5V Pins 2 & 3 closed Pins 2 & 3 closed


CPU SPEED SELECTION (CX 6X86)

CPU speed

Clock speed

Multiplier

JBF1 JBF2 JBF3 JCK5 JCK6 JCK7

120MHz

50MHz

2x

Open 2 & 3 1 & 2 2 & 3 2 & 3 2 & 3

133MHz

55MHz

2x

Open 2 & 3 1 & 2 2 & 3 2 & 3 1 & 2

150MHz

60MHz

2x

Open 2 & 3 1 & 2 1 & 2 2 & 3 2 & 3

166MHz

66MHz

2x

Open 2 & 3 1 & 2 2 & 3 1 & 2 2 & 3

200MHz

75MHz

2x

Open 2 & 3 1 & 2 1 & 2 2 & 3 1 & 2

Note: Pins designated should be in the closed position.


CPU SPEED SELECTION (CX 6X86MX)

CPU speed

Clock speed

Multiplier

JBF1 JBF2 JBF3 JCK5 JCK6 JCK7

166MHz

60MHz

2.5x

Open 1 & 2 1 & 2 1 & 2 2 & 3 2 & 3

200MHz

66MHz

2.5x

Open 1 & 2 1 & 2 2 & 3 1 & 2 2 & 3

233MHz

75MHz

2.5x

Open 1 & 2 1 & 2 1 & 2 2 & 3 1 & 2

Note: Pins designated should be in the closed position.


CPU SPEED SELECTION (IBM 6X86)

CPU speed

Clock speed

Multiplier

JBF1 JBF2 JBF3 JCK5 JCK6 JCK7

200MHz

75MHz

2x

Open 2 & 3 1 & 2 1 & 2 2 & 3 1 & 2

Note: Pins designated should be in the closed position.


CPU SPEED SELECTION (AM K5)

CPU speed

Clock speed

Multiplier

JBF1 JBF2 JBF3 JCK5 JCK6 JCK7

75MHz

50MHz

1.5x

Open 2 & 3 2 & 3 2 & 3 2 & 3 2 & 3

90MHz

60MHz

1.5x

Open 2 & 3 2 & 3 1 & 2 2 & 3 2 & 3

100MHz

66MHz

1.5x

Open 2 & 3 2 & 3 2 & 3 1 & 2 2 & 3

120MHz

60MHz

1.5x

Open 2 & 3 2 & 3 1 & 2 2 & 3 2 & 3

133MHz

66MHz

1.5x

Open 2 & 3 2 & 3 2 & 3 1 & 2 2 & 3

150MHz

60MHz

2.5x

Open 2 & 3 1 & 2 1 & 2 2 & 3 2 & 3

166MHz

66MHz

2.5x

Open 1 & 2 1 & 2 2 & 3 1 & 2 2 & 3

Note: Pins designated should be in the closed position.


CPU SPEED SELECTION (AM K6)

CPU speed

Clock speed

Multiplier

JBF1 JBF2 JBF3 JCK5 JCK6 JCK7

166MHz

66MHz

2.5x

Open 1 & 2 1 & 2 2 & 3 1 & 2 2 & 3

200MHz

66MHz

3x

Open 1 & 2 2 & 3 2 & 3 1 & 2 2 & 3

233MHz

66MHz

3.5x

Open 2 & 3 2 & 3 2 & 3 1 & 2 2 & 3

Note: Pins designated should be in the closed position.


CPU SPEED SELECTION (PENTIUM)

CPU speed

Clock speed

Multiplier

JBF1 JBF2 JBF3 JCK5 JCK6 JCK7

75MHz

50MHz

1.5x

Open 2 & 3 2 & 3 2 & 3 2 & 3 2 & 3

90MHz

60MHz

1.5x

Open 2 & 3 2 & 3 1 & 2 2 & 3 2 & 3

100MHz

66MHz

1.5x

Open 2 & 3 2 & 3 2 & 3 1 & 2 2 & 3

120MHz

60MHz

2x

Open 2 & 3 1 & 2 1 & 2 2 & 3 2 & 3

133MHz

66MHz

2x

Open 2 & 3 1 & 2 2 & 3 1 & 2 2 & 3

150MHz

60MHz

2.5x

Open 1 & 2 1 & 2 1 & 2 2 & 3 2 & 3

166MHz

66MHz

2.5x

Open 1 & 2 1 & 2 2 & 3 1 & 2 2 & 3

180MHz

60MHz

3x

Open 1 & 2 2 & 3 1 & 2 2 & 3 2 & 3

200MHz

66MHz

3x

Open 1 & 2 2 & 3 2 & 3 1 & 2 2 & 3

Note: Pins designated should be in the closed position.


CPU SPEED SELECTION (PENTIUM MMX)

CPU speed

Clock speed

Multiplier

JBF1 JBF2 JBF3 JCK5 JCK6 JCK7

166MHz

66MHz

2.5x

Open 1 & 2 1 & 2 2 & 3 1 & 2 2 & 3

200MHz

66MHz

3x

Open 1 & 2 2 & 3 2 & 3 1 & 2 2 & 3

Note: Pins designated should be in the closed position.


CPU VOLTAGE SELECTION (DUAL)

Voltage

JCK1 JCK2 JCK3 JCK4 JPW1
2.5V 2 & 3 2 & 3 2 & 3 2 & 3 Open
2.8V 2 & 3 2 & 3 2 & 3 2 & 3 9 & 10
2.9V 2 & 3 2 & 3 2 & 3 2 & 3 7 & 8
3.2V 2 & 3 2 & 3 2 & 3 2 & 3 5 & 6

Note: Pins designated should be in the closed postion.


CPU VOLTAGE SELECTION (SINGLE)

Voltage

JCK1 JCK2 JCK3 JCK4 JPW1
» 3.3V 1 & 2 1 & 2 1 & 2 1 & 2 3 & 4
  3.5V 1 & 2 1 & 2 1 & 2 1 & 2 1 & 2

Note: Pins designated should be in the closed postion.