386SXC-990-B Motherboard Settings and Configuration

Processor	80386SX
Processor Speed	20MHz
Chip Set	Unidentified
Video Chip Set	None
Maximum Onboard Memory	16MB
Maximum Video Memory	None
Cache	32/64KB
BIOS	AMI/Award
Dimensions	324mm x 222mm
I/O Options	None
NPU Options	80387SX

CONNECTIONS
Purpose	Location	Purpose	Location
Power LED & keylock	H1	Speaker	H3
Reset switch	H2	Turbo LED	H6

USER CONFIGURABLE SETTINGS
Function		Label	Position
	Monitor type select color	H5	Closed
	Monitor type select monochrome	H5	Open
	NPU not installed	JP21	Closed
	NPU installed	JP21	Open

DRAM CONFIGURATION
Size	Bank 0	Bank 1	Bank 2	Bank 3
512KB	(2) 256K x 9	None	None	None
1MB	(2) 256K x 9	(2) 256K x 9	None	None
1.5MB	(2) 256K x 9	(2) 256K x 9	(2) 256K x 9	None
2MB	(2) 256K x 9	(2) 256K x 9	(2) 256K x 9	(2) 256K x 9
2MB	(2) 1M x 9	None	None	None
2.5MB	(2) 1M x 9	(2) 256K x 9	None	None
3MB	(2) 1M x 9	(2) 256K x 9	(2) 256K x 9	None
3.5MB	(2) 1M x 9	(2) 256K x 9	(2) 256K x 9	(2) 256K x 9
4MB	(2) 1M x 9	(2) 1M x 9	None	None
4.5MB	(2) 1M x 9	(2) 1M x 9	(2) 256K x 9	None
5MB	(2) 1M x 9	(2) 1M x 9	(2) 256K x 9	(2) 256K x 9
6MB	(2) 1M x 9	(2) 1M x 9	(2) 1M x 9	None
6.5MB	(2) 1M x 9	(2) 1M x 9	(2) 1M x 9	(2) 256K x 9
8MB	(2) 1M x 9	(2) 1M x 9	(2) 1M x 9	(2) 1M x 9
8MB	(2) 4M x 9	None	None	None
8.5MB	(2) 4M x 9	(2) 256K x 9	None	None
9MB	(2) 4M x 9	(2) 256K x 9	(2) 256K x 9	None
9.5MB	(2) 4M x 9	(2) 256K x 9	(2) 256K x 9	(2) 256K x 9
10MB	(2) 4M x 9	(2) 1M x 9	None	None
10.5MB	(2) 4M x 9	(2) 1M x 9	(2) 256K x 9	None
11MB	(2) 4M x 9	(2) 1M x 9	(2) 256K x 9	(2) 256K x 9
12MB	(2) 4M x 9	(2) 1M x 9	(2) 1M x 9
12.5MB	(2) 4M x 9	(2) 1M x 9	(2) 1M x 9	(2) 256K x 9
14MB	(2) 4M x 9	(2) 1M x 9	(2) 1M x 9	(2) 1M x 9
16MB	(2) 4M x 9	(2) 4M x 9	None	None

CACHE CONFIGURATION
Size	Bank 0	Bank 1
32KB	(4) 8K x 8	None
64KB	(4) 8K x 8	(4) 8K x 8

CACHE JUMPER CONFIGURATION
Size	JP2
32KB	Pins 1 & 2 closed
64KB	Pins 2 & 3 closed