MP2300 Motherboard Settings and Configuration

MITSUBISHI ELECTRONICS

MP2300

Processor
80286
Processor Speed
8MHz
Chip Set
None
Max. onboard DRAM
1MB (location unknown)
SRAM Cache
None
BIOS
Mitsubishi/Phoenix
Dimensions
330mm x 218mm
I/O Options
32-bit external memory card, floppy drive interface,
parallel port, serial port
NPU Options
80287

CONNECTIONS
Purpose
Location
Purpose
Location
Parallel port
P1
Floppy drive interface
P4
Serial port
P2
32-bit external memory card
S1

USER CONFIGURABLE SETTINGS
Function
Switch
Position
»
Factory configured - do not alter
SW1/switch 4
Off
»
Factory configured - do not alter
SW1/switch 6
On
»
Keyboard select enhanced enabled
SW1/switch 7
On

Keyboard select enhanced disabled
SW1/switch 7
Off
»
Monitor type select monochrome
SW1/switch 8
Off

Monitor type select color
SW1/switch 8
On
MEMORY MODE CONFIGURATION
Mode
Size
SW1/switch 3
SW1/switch 5

A
512KB (base)
Off
On
»
C
640KB (base)
Off
Off

D
512KB (external)
On
Off
SERIAL PORT CONFIGURATION
COM
SW3/switch 1
SW3/Switch 2
»
COM1
Off
On

COM2
Off
Off

Disabled
On
On
PARALLEL PORT CONFIGURATION
LPT
SW3/switch 3
SW3/Switch 4
»
LPT1
Off
Off

LPT2
Off
On

LPT3
On
Off

Disabled
On
On
CPU SPEED CONFIGURATION
Speed
Wait state
SW1/switch 1
SW1/switch 2
»
6MHz
1
Off
Off

7.16MHz
0
Off
On

8MHz
0
On
Off

DRAM CONFIGURATION
Base Address
SW1
SW2
SW3
SW4
SW5
1024KB
On
On
On
Off
On
1536KB
On
On
On
Off
Off
2048KB
On
On
Off
On
On
2560KB
On
On
Off
On
Off
3072KB
On
On
Off
Off
On
3584KB
On
On
Off
Off
Off
4096KB
On
Off
On
On
On
4608KB
On
Off
On
On
Off
5120KB
On
Off
On
Off
On
5632KB
On
Off
On
Off
Off
6144KB
On
Off
Off
On
On
6656KB
On
Off
Off
On
Off
7168KB
On
Off
Off
Off
On
7680KB
On
Off
Off
Off
Off
8192KB
Off
On
On
On
On
8704KB
Off
On
On
On
Off
9216KB
Off
On
On
Off
On
9728KB
Off
On
On
Off
Off
10240KB
Off
On
Off
On
On
10752KB
Off
On
Off
On
Off
11264KB
Off
On
Off
Off
On
11776KB
Off
On
Off
Off
Off
12288KB
Off
Off
On
On
On
12800KB
Off
Off
On
On
Off
13312KB
Off
Off
On
Off
On
13824KB
Off
Off
On
Off
Off
14336KB
Off
Off
Off
On
On
Note:Start address is determined by the total amount of system memory prior to adding the memory card.
Switches 6, 7, and 8 must always be in the on position.

MP2300 Motherboard Settings and Configuration

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Processor	80286
Processor Speed	8MHz
Chip Set	None
Max. onboard DRAM	1MB (location unknown)
SRAM Cache	None
BIOS	Mitsubishi/Phoenix
Dimensions	330mm x 218mm
I/O Options	32-bit external memory card, floppy drive interface, parallel port, serial port
NPU Options	80287

CONNECTIONS
Purpose	Location	Purpose	Location
Parallel port	P1	Floppy drive interface	P4
Serial port	P2	32-bit external memory card	S1

USER CONFIGURABLE SETTINGS
Function		Switch	Position
»	Factory configured - do not alter	SW1/switch 4	Off
»	Factory configured - do not alter	SW1/switch 6	On
»	Keyboard select enhanced enabled	SW1/switch 7	On
	Keyboard select enhanced disabled	SW1/switch 7	Off
»	Monitor type select monochrome	SW1/switch 8	Off
	Monitor type select color	SW1/switch 8	On

MEMORY MODE CONFIGURATION
Mode		Size	SW1/switch 3	SW1/switch 5
	A	512KB (base)	Off	On
»	C	640KB (base)	Off	Off
	D	512KB (external)	On	Off

SERIAL PORT CONFIGURATION
COM		SW3/switch 1	SW3/Switch 2
»	COM1	Off	On
	COM2	Off	Off
	Disabled	On	On

PARALLEL PORT CONFIGURATION
LPT		SW3/switch 3	SW3/Switch 4
»	LPT1	Off	Off
	LPT2	Off	On
	LPT3	On	Off
	Disabled	On	On

CPU SPEED CONFIGURATION
Speed		Wait state	SW1/switch 1	SW1/switch 2
»	6MHz	1	Off	Off
	7.16MHz	0	Off	On
	8MHz	0	On	Off

DRAM CONFIGURATION
Base Address	SW1	SW2	SW3	SW4	SW5
1024KB	On	On	On	Off	On
1536KB	On	On	On	Off	Off
2048KB	On	On	Off	On	On
2560KB	On	On	Off	On	Off
3072KB	On	On	Off	Off	On
3584KB	On	On	Off	Off	Off
4096KB	On	Off	On	On	On
4608KB	On	Off	On	On	Off
5120KB	On	Off	On	Off	On
5632KB	On	Off	On	Off	Off
6144KB	On	Off	Off	On	On
6656KB	On	Off	Off	On	Off
7168KB	On	Off	Off	Off	On
7680KB	On	Off	Off	Off	Off
8192KB	Off	On	On	On	On
8704KB	Off	On	On	On	Off
9216KB	Off	On	On	Off	On
9728KB	Off	On	On	Off	Off
10240KB	Off	On	Off	On	On
10752KB	Off	On	Off	On	Off
11264KB	Off	On	Off	Off	On
11776KB	Off	On	Off	Off	Off
12288KB	Off	Off	On	On	On
12800KB	Off	Off	On	On	Off
13312KB	Off	Off	On	Off	On
13824KB	Off	Off	On	Off	Off
14336KB	Off	Off	Off	On	On
Note:Start address is determined by the total amount of system memory prior to adding the memory card. Switches 6, 7, and 8 must always be in the on position.