...because we can't all be on the bleeding edge...





HUMMINGBOARD

RADISYS CORPORATION

HUMMINGBOARD

Processor

80486SX

Processor Speed

Unidentified

Chip Set

Pico Power

Video Chip Set

Cirrus Logic

Maximum Onboard Memory

8MB

Maximum Video Memory

512KB

Cache

None

BIOS

Phoenix

Dimensions

Unidentified

I/O Options

Floppy drive interface, IDE interface, parallel port, PS/2 mouse port, serial ports (2), VGA port, IR connector, flat panel connector

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

Port power

C1

Flat panel connector

CN5

PC power

C2

IR connector

CN6

PS/2 mouse port

CN1

Parallel port

CN7

VGA port

CN2

IDE interface

CN8

Serial port 2

CN3

Unidentified

CN9

Serial port 1

CN4

Reset switch

CN10

USER CONFIGURABLE SETTINGS

Function

Label

Position

Phoenix BIOS loaded at startup

JP3

Open

 

Cyber Quest start up code loaded at startup

JP3

Closed

Flash BIOS normal operation

JP6

Open

 

Flash BIOS force update

JP6

Pins 4 & 6 closed

Power supply select supplied from mainboard

JP9

Pins 1 & 2 closed

 

Power supply select supplied from portable battery

JP9

Pins 3 & 4 closed

SIMM CONFIGURATION

Size

Bank 0

4MB

(1) 1M x 36

8MB

(1) 2M x 36

INTEL FLACH FILE MEMORY CONFIGURATION

Size

Bank 1

1MB

(1) 1M x 8

VIDEO MEMORY CONFIGURATION

Note: 512KB video memory is factory installed and is not configurable.

CPU CLOCK FREQUENCY SELECTION

Speed

JP5/pins 1 & 2

JP5/pins 3 & 4

JP5/pins 5 & 6

4MHz

Closed

Closed

Closed

8MHz

Open

Closed

Closed

16MHz

Closed

Open

Closed

20MHz

Open

Open

Closed

25MHz

Closed

Closed

Open

33MHz

Open

Closed

Open

40MHz

Closed

Open

Open

50MHz

Open

Open

Open

CPU VOLTAGE SELECTION

Voltage

JP4/pins 3 & 4 (VADJ)

JP4/pins 1 & 2 (3.3v)

JP8/pins 3 & 4 (2.4v)

JP8/pins 1 & 2 (2.7v)

 

2.4v

Open

Closed

Open

Closed

 

2.7v

Closed

Open

Closed

Open

3.3v

Open

Closed

N/A

N/A

FLAT PANEL SELECTION

Setting

JP1/pins 1&2

JP1/pins 3&4

JP1/pins 5&6

Single Scan Color STN, 16-bit interface/8 color

Closed

Closed

Closed

 

Dual Scan STN, monochrome 6.3MHz

Closed

Closed

Open

 

Dual Scan color STN, 16-bit interface

Closed

Open

Closed

 

Color TFT 9-bit interface

Closed

Open

Open

 

Singel Scan Color STN 8-bit interface

Open

Closed

Closed

 

Single Scan Monochrome STN, 4-bit interface

Open

Closed

Open

 

Color TFT 18-bit interface

Open

Open

Open

5V VOLTAGE SELECTION

Setting

JP7/pins 1 & 2

JP7/pins 3 & 4

JP7/pins 5 & 6

 

ISA backplane

Closed

Open

Open

PC power

Open

Closed

Open

 

Portable battery

Open

Open

Closed

12V VOLTAGE SELECTION

Setting

JP11/pins 1 & 2

JP11/pins 3 & 4

JP11/pins 5 & 6

 

ISA backplane

Closed

Open

Open

PC power

Open

Closed

Open

 

Portable battery

Open

Open

Closed

FLASH BOOT SELECTION

Setting

JP10

Normal operation

Open

 

All boot blocks other than book can be written

Pins 1 & 3 closed

 

16K boot block reprogrammed

Pins 1 & 3, 2 & 6 closed