MODEL 189230 Motherboard Settings and Configuration

Processor	80286
Processor Speed	6/8/10MHz
Chip Set	Unidentified
Maximum Onboard Memory	3MB (2MB on external memory card)
Cache	None
BIOS	Unidentified
Dimensions	355mm x 305mm
I/O Options	None
NPU Options	80287

USER CONFIGURABLE SETTINGS
Setting		Label	Position
»	Factory configured - do not alter	SW1/1	N/A
»	Factory configured - do not alter	SW1/2	N/A
»	Video type select 80 characters	SW1/3	Off
»	Factory configured - do not alter	SW1/4	Off
»	Factory configured - do not alter	SW1/5	N/A
»	Factory configured - do not alter	SW1/6	N/A
»	Factory configured - do not alter	SW1/7	N/A

DRAM

Note: The orientation and chip sizes are unidentified.

DRAM SWITCH
Expansion size	Total size	SW1/8
128KB	640KB	Off
512KB	1MB	On

DRAM
Size	Bank 0	Bank 1	Bank 2	Bank 3
512KB	(18) 41256	None	None	None
1MB	(18) 41256	(18) 41256	None	None
1.5MB	(18) 41256	(18) 41256	(18) 41256	None
2MB	(18) 41256	(18) 41256	(18) 41256	(18) 41256

DRAM SWITCH (CON’T)
Memory before	Memory after	SW1/1	SW1/2	SW1/3	SW1/4	SW1/5
512-640KB	2560-2688KB	Off	Off	Off	On	Off
1024KB	3072KB	Off	Off	Off	On	On
2560-2688KB	4608-4736KB	Off	Off	On	On	Off
3072KB	5120KB	Off	Off	On	On	On
4608-4736KB	6656-6784KB	Off	On	Off	On	Off
5120KB	7168KB	Off	On	Off	On	On
656-6784KB	8704-8832KB	Off	On	On	On	Off
7168KB	9216KB	Off	On	On	On	On
8704-8832KB	10752-10880KB	On	Off	Off	On	Off
9216KB	11264KB	On	Off	Off	On	On
10752-10880KB	12800-12928KB	On	Off	On	On	Off
11264KB	13312KB	On	Off	On	On	On
12800-12928KB	14848-14976KB	On	On	Off	On	Off
13312KB	15360KB	On	On	Off	On	On
14848-14976KB	15744KB	On	On	On	On	Off
15360KB	15744KB	On	On	On	On	On

MISCELLANEOUS TECHNICAL NOTE

The location of pin 1 is unidentified.