1800B 286/10 (EV-1801) Motherboard Settings and Configuration

EVEREX SYSTEMS, INC.

1800B 286/10 (EV-1801)

Processor
80286
Processor Speed
8/10/12MHz
Chip Set
C & T/Suntac
Max. onboard DRAM
1MB
Cache
None
BIOS
AMI
Dimensions
330mm x 218mm
I/O Options
Parallel port, serial port (2)
NPU Options
80287

CONNECTIONS
Purpose
Location
Purpose
Location
Parallel port
CN1
Serial port 2
CN3
Serial port 1
CN2

USER CONFIGURABLE SETTINGS
Function
Switch
Position
»
Monitor type select color
C/M
On

Monitor type select monochrome
C/M
Off
»
Factory configured - do not alter
W1/switch 6
Off
»
Factory configured - do not alter
W9
Unknown
»
Factory configured - do not alter
W10
Unknown
»
Factory configured - do not alter
W13
Unknown
»
Factory configured - do not alter
W16
Unknown
Note:The locations of jumpers W9, W10, W13, and W16 are unknown.

DRAM CONFIGURATIONS
Size
Bank 0
Bank 1
W1/switch 7
W1/switch 8
256KB
(8) 4164
(8) 4164
On
On
512KB
(8) 41256
NONE
On
Off
640KB
(8) 41256
(8) 4164
Off
On
1MB
(8) 41256
(8) 41256
Off
Off

BIOS TYPE SETTINGS
Function
W1/switch 1
W1/switch 2
W1/switch 3
W1/switch 4
»
BIOS type select 27256
On
On
Off
Off

BIOS type select 27512
Off
Off
On
On

NPU SPEED CONFIGURATION
Speed
W8
W11
5MHz
B
B
8MHz
A
A
10MHz
A
B

SERIAL PORT 1 CONFIGURATION
Port 1
W14/A
W14/B
»
COM1
On
On

COM3
On
Off

Disabled
Off
On

SERIAL PORT 2 CONFIGURATION
Port 2
W14/C
W14/D
»
COM2
On
On

COM4
On
Off

Disabled
Off
On

PARALLEL PORT CONFIGURATION
LPT
W4/1
W4/2
W4/3
W4/4
»
1
On
Off
On

2
On
On
Off
On

Disabled
Off
Off
Off
Off

8-BIT I/O WAIT STATE TABLE
Wait states
W1/Switch 5
W7

0 wait states
On
N/A

1 wait state
Off
N/A

2 wait states
Off
N/A

3 wait states
Off
N/A

4 wait states
Off
4

5 wait states
Off
5

6 wait states
Off
6

16-BIT I/O WAIT STATE TABLE
Wait states
W12

1 wait state
1

2 wait states
2

3 wait states
3

4 wait states
4

5 wait states
N/A

6 wait states
N/A

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1800B 286/10 (EV-1801) Motherboard Settings and Configuration

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Processor	80286
Processor Speed	8/10/12MHz
Chip Set	C & T/Suntac
Max. onboard DRAM	1MB
Cache	None
BIOS	AMI
Dimensions	330mm x 218mm
I/O Options	Parallel port, serial port (2)
NPU Options	80287

CONNECTIONS
Purpose	Location	Purpose	Location
Parallel port	CN1	Serial port 2	CN3
Serial port 1	CN2

USER CONFIGURABLE SETTINGS
Function		Switch	Position
»	Monitor type select color	C/M	On
	Monitor type select monochrome	C/M	Off
»	Factory configured - do not alter	W1/switch 6	Off
»	Factory configured - do not alter	W9	Unknown
»	Factory configured - do not alter	W10	Unknown
»	Factory configured - do not alter	W13	Unknown
»	Factory configured - do not alter	W16	Unknown
Note:The locations of jumpers W9, W10, W13, and W16 are unknown.

DRAM CONFIGURATIONS
Size	Bank 0	Bank 1	W1/switch 7	W1/switch 8
256KB	(8) 4164	(8) 4164	On	On
512KB	(8) 41256	NONE	On	Off
640KB	(8) 41256	(8) 4164	Off	On
1MB	(8) 41256	(8) 41256	Off	Off

BIOS TYPE SETTINGS
Function		W1/switch 1	W1/switch 2	W1/switch 3	W1/switch 4
»	BIOS type select 27256	On	On	Off	Off
	BIOS type select 27512	Off	Off	On	On

NPU SPEED CONFIGURATION
Speed	W8	W11
5MHz	B	B
8MHz	A	A
10MHz	A	B

SERIAL PORT 1 CONFIGURATION
Port 1		W14/A	W14/B
»	COM1	On	On
	COM3	On	Off
	Disabled	Off	On

SERIAL PORT 2 CONFIGURATION
Port 2		W14/C	W14/D
»	COM2	On	On
	COM4	On	Off
	Disabled	Off	On

PARALLEL PORT CONFIGURATION
LPT		W4/1	W4/2	W4/3	W4/4
»	1	On	Off	On
	2	On	On	Off	On
	Disabled	Off	Off	Off	Off

8-BIT I/O WAIT STATE TABLE
Wait states		W1/Switch 5	W7
	0 wait states	On	N/A
	1 wait state	Off	N/A
	2 wait states	Off	N/A
	3 wait states	Off	N/A
	4 wait states	Off	4
	5 wait states	Off	5
	6 wait states	Off	6

16-BIT I/O WAIT STATE TABLE
Wait states		W12
	1 wait state	1
	2 wait states	2
	3 wait states	3
	4 wait states	4
	5 wait states	N/A
	6 wait states	N/A