MODEL 3279-0XXX PC8 (REV. 03-92) Motherboard Settings and Configuration

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

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MODEL 3279-0XXX PC8 (REV. 03-92) Motherboard Settings and Configuration

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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

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