HwMuseum | Index

NCR CORPORATION

MODEL 3279-0XXX PC8 (REV. 03-92)

Processor

80286

Processor Speed

6/8MHz

Chip Set

Unidentified

Video Chip Set

None

Maximum Onboard Memory

14MB (on external memory card)

Maximum Video Memory

None

Cache

None

BIOS

Unidentified

Dimensions

355mm x 304mm

I/O Options

External memory card

NPU Options

80287

USER CONFIGURABLE SETTINGS

Function

Label

Position

»

Monitor type select color

SW1

On

 

Monitor type select monochrome

SW1

Off

»

Power on frequency speed select 8MHz

SW2

On

 

Power on frequency speed select 6MHz

SW2

Off

»

Number of BIOS installed 2 installed

U101

Pins 1 & 8, 2 & 7 closed

 

Number of BIOS installed 4 installed

U101

Pins 3 & 6, 4 & 5 closed

DRAM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

256KB

256KB

None

None

512KB

256KB

256KB

None

640KB

256KB

256KB

128KB

Note: The size of the DRAM chips are unidentified.

DRAM JUMPER CONFIGURATION

Size

P17

P18

256KB

Pins 1 & 2 closed

Pins 1 & 2 closed

512KB

Pins 1 & 2 closed

Pins 2 & 3 closed

640KB

Pins 2 & 3 closed

Pins 2 & 3 closed

USER CONFIGURABLE SETTINGS

Function

Label

Position

 

Jumper information unavailable

P1

Unidentified

DRAM CONFIGURATION

Note: The size of the DRAM chips are unidentified.

DRAM SWITCH CONFIGURATION

Size

SW1/1

SW1/2

SW1/3

SW1/4

SW1/5

None

On

On

On

Off

On

0.5MB

On

On

On

Off

Off

1.0MB

On

On

Off

On

On

1.5MB

On

On

Off

On

Off

2.0MB

On

On

Off

Off

On

2.5MB

On

On

Off

Off

Off

3.0MB

On

Off

On

On

On

3.5MB

On

Off

On

On

Off

4.0MB

On

Off

On

Off

On

4.5MB

On

Off

On

Off

Off

5.0MB

On

Off

Off

On

On

5.5MB

On

Off

Off

On

Off

6.0MB

On

Off

Off

Off

On

6.5MB

On

Off

Off

Off

Off

7.0MB

Off

On

On

On

On

7.5MB

Off

On

On

On

Off

8.0MB

Off

On

On

Off

On

8.5MB

Off

On

On

Off

Off

9.0MB

Off

On

Off

On

On

9.5MB

Off

On

Off

On

Off

10.0MB

Off

On

Off

Off

On

10.5MB

Off

On

Off

Off

Off

11.0MB

Off

Off

On

On

On

11.5MB

Off

Off

On

On

Off

12.0MB

Off

Off

On

Off

On

12.5MB

Off

Off

On

Off

Off

13.0MB

Off

Off

Off

On

On

13.5MB

Off

Off

Off

On

Off

14.0MB

Off

Off

Off

Off

On

DRAM SWITCH CONFIGURATION (CON’T)

Size

SW2/1

SW2/2

SW2/3

SW2/4

SW2/5

None

On

On

On

Off

Off

0.5MB

On

On

Off

On

On

1.0MB

On

On

Off

On

Off

1.5MB

On

On

Off

Off

On

2.0MB

On

On

Off

Off

Off

2.5MB

On

Off

On

On

On

3.0MB

On

Off

On

On

Off

3.5MB

On

Off

On

Off

On

4.0MB

On

Off

On

Off

Off

4.5MB

On

Off

Off

On

On

5.0MB

On

Off

Off

On

Off

5.5MB

On

Off

Off

Off

On

6.0MB

On

Off

Off

Off

Off

6.5MB

Off

On

On

On

On

7.0MB

Off

On

On

On

Off

7.5MB

Off

On

On

Off

On

8.0MB

Off

On

On

Off

Off

8.5MB

Off

On

Off

On

On

9.0MB

Off

On

Off

On

Off

9.5MB

Off

On

Off

Off

On

10.0MB

Off

On

Off

Off

Off

10.5MB

Off

Off

On

On

On

11.0MB

Off

Off

On

On

Off

11.5MB

Off

Off

On

Off

On

12.0MB

Off

Off

On

Off

Off

12.5MB

Off

Off

Off

On

On

13.0MB

Off

Off

Off

On

Off

13.5MB

Off

Off

Off

Off

On

14.0MB

N/A

N/A

N/A

N/A

N/A