EMAC, INC.

SBC-598

Device Type Single Board Computer
Processor CX 6X86L/CX 6X86MX/AM K6/Pentium/Pentium MMX
Processor Speed 100/133/166/200/233MHz
Chip Set SIS
Video Chip Set SIS
Maximum Onboard Memory 256MB (EDO & SDRAM supported)
Maximum Video Memory 4MB
Cache 512KB 
BIOS Award
Dimensions 338mm x 122mm
I/O Options AT keyboard interface, Digital I/O connector, Floppy drive interface, IDE interfaces (2), IR connector, Parallel interface, Power connector, PS/2 keyboard port/mouse port, Serial interface, Serial port, Solid-state flash disk socket, USB interface, VGA port


CONNECTIONS
Purpose

Location

 Purpose

Location
USB interface CN1 Serial interface CN13
IDE interface LED CN2 Power connector CN14
System monitor LED CN3 Serial port CN15
Power LED & keylock CN4 VGA port CN16
CPU fan power CN5 Keyboard interface CN17
IDE interface 1 CN6 PS/2 keyboard/mouse port CN18
IDE interface 2 CN7 PS/2 mouse/AT keyboard port adapter connector CN18A
Digital I/O connector CN8 AT keyboard connector CN18B
Reserved CN9 PS/2 mouse connector CN18C
IR connector (reserved) CN10 Reset switch JP9
Floppy drive interface CN11 Solid-state flash disk (DOC) socket U16
Parallel interface CN12    


USER CONFIGURABLE SETTINGS

Function

Label

Position
» CMOS memory normal operation

JP1

 Pins 1 & 2 closed
  CMOS memory clear JP1 Pins 2 & 3 closed
» Onboard video enabled JP2 Pins 1 & 3, 2 & 4 closed
  Onboard video disabled JP2 Pins 3 & 5, 4 & 6 closed
» SIMM voltage select 5V JP3 Pins 1 & 2, 3 & 4 closed
  SIMM voltage select 3.3V JP3 Pins 5 & 6, 7 & 8 closed
»   PCI bus clock select asynchronous mode (33MHz) JP4 Pins 1 & 2 closed
  PCI bus clock select synchronous mode (25/30/33MHz) JP4 Pins 2 & 3 closed
» Internal buzzer selected

JP10

Pins 2 & 3 closed
  External speaker connector selected

JP10

Open
Note: Synchronous PCI clock is equal to half of the CPU external clock. Asynchronous PCI clock is fixed at 33MHz.
Note: Pin 1 locations of JP1, JP2, JP3, JP4 & JP10 are unidentified.


SIMM CONFIGURATION

Size

Bank 0

Bank 1
2MB (2) 256K x 36 None
4MB (2) 512K x 36 None
4MB (2) 256K x 36 (2) 256K x 36

8MB

(2) 1M x 36

None
8MB (2) 512K x 36 (2) 512K x 36

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

128MB

(2) 16M x 36

None

136MB

(2) 16M x 36

(2) 1M x 36

144MB

(2) 16M x 36

(2) 2M x 36

160MB

(2) 16M x 36

(2) 4M x 36

192MB

(2) 16M x 36

(2) 8M x 36

256MB

(2) 16M x 36

(2) 16M x 36
Note: Do not mix SIMM & DIMM memory. Locations of Bank 0 & Bank 1 are unidentified.


DIMM CONFIGURATION

Size

Bank 2

8MB

(1) 1M x 64

16MB

(1) 2M x 64

32MB

(1) 4M x 64

64MB

(1) 8M x 64
Note: Do not mix SIMM & DIMM memory.


MEMORY BANK SELECTION

Setting

M1

»

SIMMs used

Pins 1 & 2, 3 & 4, 5 & 6, 7 & 8, 9 & 10, 11 & 12, 13 & 14, 15 & 16 closed

 

DIMM used

Pins 1 & 3, 2 & 4, 5 & 7, 6 & 8, 9 & 11, 10 & 12, 13 & 15, 14 & 16 closed

Note: Pin 1 location of M1 is unidentified.


CPU SPEED SELECTION (CX 6X86MX)

CPU speed

Clock speed

Multiplier

JP5

JP6

166MHz

66MHz

2.0x

1 & 2, 5 & 6

1 & 2

200MHz

66MHz

2.5x

1 & 2, 5 & 6

1 & 2, 3 & 4

233MHz

66MHz

3.0x

1 & 2, 5 & 6

3 & 4

266MHz

66MHz

3.5x

1 & 2, 5 & 6

Open
Note: Pins designated should be in the closed position.


CPU SPEED SELECTION (AM K6)

CPU speed

Clock speed

Multiplier

JP5

JP6

166MHz

66MHz

2.5x

1 & 2, 5 & 6

1 & 2, 3 & 4

200MHz

66MHz

3.0x

1 & 2, 5 & 6

3 & 4

233MHz

66MHz

3.5x

1 & 2, 5 & 6

Open

Note: Pins designated should be in the closed position.


CPU SPEED SELECTION (PENTIUM)

CPU speed

Clock speed

Multiplier

JP5

JP6

166MHz

66MHz

2.5x

1 & 2, 5 & 6

1 & 2, 3 & 4

200MHz

66MHz

3x

1 & 2, 5 & 6

3 & 4

Note: Pins designated should be in the closed position.


CPU SPEED SELECTION (PENTIUM MMX)

CPU speed

Clock speed

Multiplier

JP5

JP6

166MHz

66MHz

2.5x

1 & 2, 5 & 6

1 & 2, 3 & 4

200MHz

66MHz

3.0x

1 & 2, 5 & 6

3 & 4

233MHz

66MHz

3.5x

1 & 2, 5 & 6

Open

Note: Pins designated should be in the closed position.


CPU VOLTAGE SELECTION (DUAL)

Voltage

JP7/Pins 1 & 2

 JP7/Pins 3 & 4 JP7/Pins 5 & 6 JP7/Pins 7 & 8 JP8
  2.0V Open Open Open Open 1 & 3, 2 & 4
 

2.1V

 Open Open Open Closed 1 & 3, 2 & 4
  2.2V Open Open Closed Open 1 & 3, 2 & 4
  2.3V Open Open Closed Closed 1 & 3, 2 & 4
  2.4V Open Closed Open Open 1 & 3, 2 & 4
  2.5V Open Closed Open Closed 1 & 3, 2 & 4
  2.6V Open Closed Closed Open 1 & 3, 2 & 4
  2.7V Open Closed Closed Closed 1 & 3, 2 & 4
»  2.8V Closed Open Open Open 1 & 3, 2 & 4
  2.9V Closed Open Open Closed 1 & 3, 2 & 4
  3.0V Closed Open Closed Open 1 & 3, 2 & 4
  3.1V Closed Open Closed Closed 1 & 3, 2 & 4
  3.2V Closed Closed Open Open 1 & 3, 2 & 4
  3.4V Closed Closed Closed Open 1 & 3, 2 & 4

Note: Pin 1 locations of JP7 & JP8 are unidentified. Pins designated should be in the closed position.


CPU VOLTAGE SELECTION (SINGLE)

Voltage

JP7/Pins 1 & 2

 JP7/Pins 3 & 4 JP7/Pins 5 & 6 JP7/Pins 7 & 8 JP8
3.3V Closed Closed Open Closed 3 & 5, 4 & 6
3.5V Closed Closed Closed Closed 3 & 5, 4 & 6

Note: Pin 1 locations of JP7 & JP8 are unidentified. Pins designated should be in the closed position.


SOLID-STATE FLASH DISK (DOC) ADDRESS SELECTION

Address

JP11/Pins 1 & 2

 JP11/Pins 3 & 4 JP11/Pins 5 & 6
 

Disable

Closed

 Closed Closed
  C800h Closed Closed Open
  CC00h Closed Open Closed
  D000h Closed Open Open
 

D400h

Open

 Closed Closed
» D800h Open Closed Open
  DC00h Open Open Closed
  E000h Open Open Open

Note: Pin 1 location of JP11 is unidentified.


MISCELLANEOUS TECHNICAL NOTES

Solid-state flash disk socket supports (DOC 2000 & 1000 series) devices from 2MB to 72MB.