EMAC, INC.

SBC-554V, SBC-555

Device Type Single Board Computer
Processor CX 6X86/IBM 6X86/AM K5/AM K6/Pentium/Pentium MMX
Processor Speed 75/90/100/120/133/150/166/180/200/225/233MHz
Chip Set SIS
Video Chip Set Chips and Technology
Maximum Onboard Memory 128MB (EDO supported)
Maximum Video Memory 2MB 
Cache 512KB 
BIOS Award
Dimensions 185mm x 122mm
I/O Options Flat panel connector, Floppy drive interface, IDE interface, Inverter connector, IR connector, Parallel interface, Power connector, PS/2 mouse/AT keyboard port, Serial interface, Serial port, Solid-state disk socket, USB interface, VGA port


CONNECTIONS
Purpose

Location

 Purpose

Location
IDE interface CN1 PS/2 mouse/AT keyboard port CN9
Floppy drive interface CN2 Power connector CN10
Flat panel connector

CN3

 Inverter connector CN11
USB interface

CN4

 IR connector (optional) CN12
Parallel interface CN5 IDE interface LED CN13
Serial interface CN6 Reset switch JP11
Serial port CN7 Solid-state disk socket (DOC) U4
VGA port CN8    


USER CONFIGURABLE SETTINGS

Function

Label

Position
» DRAM voltage select 5V JP2 Pins 1 & 2 closed
  DRAM voltage select 3.3V JP2 Pins 2 & 3 closed
» CPU I/O voltage select 3.3V JP3 Closed
  CPU I/O voltage select 3.5V JP3 Open
» PCI clock select synchronous mode (25/30/33MHz) JP5 Pins 2 & 3 closed
  PCI clock select asynchronous mode (33MHz) JP5 Pins 1 & 2 closed
» Flat panel voltage select 5V

JP7

Pins 1 & 2 closed
  Flat panel voltage select 3.3V

JP7

Pins 2 & 3 closed

»

CMOS memory normal operation

JP8

Pins 1 & 2 closed
  CMOS memory clear

JP8

Pins 2 & 3 closed
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 JP3, JP5, JP7 and JP8 are unidentified.


SIMM CONFIGURATION

Size

Bank 0

8MB

(2) 1M x 32

16MB

(2) 2M x 32

32MB

(2) 4M x 32

64MB

(2) 8M x 32

128MB

(2) 16M x 32
Note: Board supports EDO memory.


CPU SPEED SELECTION (CX 6X86)

CPU Speed

Clock Speed

Multiplier

JP1/Pins 1 & 2

 JP1/Pins 3 & 4 JP1/Pins 5 & 6 JP6/Pins 1 & 2 JP6/Pins 3 & 4 JP6/Pins 5 & 6
120MHz 60MHz 2.0x Open Open Closed Open Closed Closed
133MHz 66MHz 2.0x Open Open Closed Closed Open Closed
150MHz 60MHz 2.0x Open Open Closed Open Closed Closed
166MHz 66MHz 2.0x Open Open Closed Closed Open Closed

Note: Pin 1 locations of JP1 & JP6 are unidentified.


CPU SPEED SELECTION (IBM 6X86)

CPU Speed

Clock Speed

Multiplier

JP1/Pins 1 & 2

 JP1/Pins 3 & 4 JP1/Pins 5 & 6 JP6/Pins 1 & 2 JP6/Pins 3 & 4 JP6/Pins 5 & 6
120MHz 60MHz 2.0x Open Open Closed Open Closed Closed
133MHz 66MHz 2.0x Open Open Closed Closed Open Closed
150MHz 60MHz 2.0x Open Open Closed Open Closed Closed
166MHz 66MHz 2.0x Open Open Closed Closed Open Closed

Note: Pin 1 locations of JP1 & JP6 are unidentified.


CPU SPEED SELECTION (AM K5)

CPU Speed

Clock Speed

Multiplier

JP1/Pins 1 & 2

 JP1/Pins 3 & 4 JP1/Pins 5 & 6 JP6/Pins 1 & 2 JP6/Pins 3 & 4 JP6/Pins 5 & 6
75MHz 50MHz 1.5x Open Open Open Closed Closed Closed
100MHz 66MHz 1.5x Open Open Open Closed Open Closed
120MHz 60MHz 1.5x Open Open Open Open Closed Closed
133MHz 66MHz 1.5x Open Open Open Closed Open Closed
150MHz 60MHz 2.5x Open Closed Closed Open Closed Closed
166MHz 66MHz 2.5x Open Closed Closed Closed Open Closed

Note: Pin 1 locations of JP1 & JP6 are unidentified.


CPU SPEED SELECTION (AM K6)

CPU Speed

Clock Speed

Multiplier

JP1/Pins 1 & 2

 JP1/Pins 3 & 4 JP1/Pins 5 & 6 JP6/Pins 1 & 2 JP6/Pins 3 & 4 JP6/Pins 5 & 6
166MHz 66MHz 2.5x Open Closed Closed Closed Open Closed
200MHz 66MHz 3.0x Open Closed Open Closed Open Closed
233MHz 60MHz 3.5x Open Open Open Closed Open Closed

Note: Pin 1 locations of JP1 & JP6 are unidentified.


CPU SPEED SELECTION (PENTIUM)

CPU Speed

Clock Speed

Multiplier

JP1/Pins 1 & 2

 JP1/Pins 3 & 4 JP1/Pins 5 & 6 JP6/Pins 1 & 2 JP6/Pins 3 & 4 JP6/Pins 5 & 6
75MHz 50MHz 1.5x Open Open Open Closed Closed Closed
90MHz 60MHz 1.5x Open Open Open Open Closed Closed
100MHz 66MHz 1.5x Open Open Open Closed Open Closed
120MHz 60MHz 2.0x Open Open Closed Open Closed Closed
133MHz 66MHz 2.0x Open Open Closed Closed Open Closed
150MHz 60MHz 2.5x Open Closed Closed Open Closed Closed
166MHz 66MHz 2.5x Open Closed Closed Closed Open Closed
180MHz 60MHz 3.0x Open Closed Open Open Closed Closed
200MHz 66MHz 3.0x Open Closed Open Closed Open Closed

Note: Pin 1 locations of JP1 & JP6 are unidentified.


CPU SPEED SELECTION (PENTIUM MMX)

CPU Speed

Clock Speed

Multiplier

JP1/Pins 1 & 2

 JP1/Pins 3 & 4 JP1/Pins 5 & 6 JP6/Pins 1 & 2 JP6/Pins 3 & 4 JP6/Pins 5 & 6
166MHz 66MHz 2.5x Open Closed Closed Closed Open Closed
200MHz 66MHz 3.0x Open Closed Open Closed Open Closed
233MHz 60MHz 3.5x Open Open Open Closed Open Closed

Note: Pin 1 locations of JP1 & JP6 are unidentified.


CPU VOLTAGE SELECTION

Voltage

JP4/Pins 1 & 2

 JP4/Pins 3 & 4 JP4/Pins 5 & 6 JP4/Pins 7 & 8

 

2.0V

Open

 Open Open Open

 

2.1V

Closed

 Open Open Open
  2.2V Open Closed Open Open
  2.3V Closed Closed Open Open
  2.4V Open Open Closed Open
  2.5V Closed Open Closed Open
  2.6V Open Closed Closed Open
  2.7V Closed Closed Closed Open
» 2.8V Open Open Open Closed
  2.9V Closed Open Open Closed
  3.0V Open Closed Open Closed
  3.1V Closed Closed Open Closed
  3.2V Open Open Closed Closed
  3.3V Open Closed Closed Closed
  3.4V Closed Closed Closed Closed

Note: Pin 1 location of JP4 is unidentified.


SOLID-STATE DISK (DOC) ADDRESS SELECTION

Address

JP9/Pins 1 & 2

 JP9/Pins 3 & 4 JP9/Pins 5 & 6
 

CC000

Open

 Open Open
 

D0000

Open

 Open Closed
  D4000 Open Closed Open
» D8000 Open Closed Closed
  DC000 Closed Open Open

Note: Pin 1 location of JP9 is unidentified.


SERIAL INTERFACE 2 SELECTION

Setting

JP10/Pins 1 & 2

JP10/Pins 3 & 4

JP10/Pins 5 & 6
»

RS-232

 Closed Open Open
 

RS-422

 Open Closed Open
 

RS-485

 Open Open Closed

Note: Pin 1 location of JP10 is unidentified.


MISCELLANEOUS TECHNICAL NOTES

The SBC-554V board utilizes a PISA bus whereas the SBC-555 board utilizes an ISA bus.