ISA-386C Motherboard Settings and Configuration

Processor	80386DX
Processor Speed	33/40MHz
Chip Set	SIS
Max. Onboard DRAM	32MB
Cache	64KB
BIOS	AMI/Award
Dimensions	330mm x 218mm
I/O Options	32-bit external memory card
NPU Options	80387/3167

CONNECTIONS
Purpose	Location	Purpose	Location
External battery	CON1	Turbo switch	CON5
Speaker	CON2	Reset switch	CON6
Power LED & keylock	CON3	32-bit external memory card	S1
Turbo LED	CON4

USER CONFIGURABLE SETTINGS
Function		Jumper	Position
»	Battery select external	JP1	pins 2 & 3 closed
	Battery select internal	JP1	pins 1 & 2 closed
»	Monitor type select EGA/VGA/monochrome	JP2	pins 1 & 2 closed
	Monitor type select CGA	JP2	pins 2 & 3 closed
»	Power good signal detect from power supply	JP3	pins 2 & 3 closed
	Power good signal detect from board	JP3	pins 1 & 2 closed
»	NPU mode select asynchronous with CPU	JP4	pins 1 & 2 closed
	NPU mode select synchronous with CPU	JP4	pins 2 & 3 closed

DRAM CONFIGURATION
Size	Bank 0	Bank 1	Bank 2	Bank 3
1MB	(4) 256K x 9	NONE	NONE	NONE
2MB	(4) 256K x 9	(4) 256K x 9	NONE	NONE
4MB	(4) 1M x 9	NONE	NONE	NONE
5MB	(4) 256K x 9	(4) 1M x 9	NONE	NONE
6MB	(4) 256K x 9	(4) 256K x 9	(4) 1M x 9	NONE
8MB	(4) 1M x 9	(4) 1M x 9	NONE	NONE
9MB	(4) 256K x 9	(4) 1M x 9	(4) 1M x 9	NONE
10MB	(4) 256K x 9	(4) 256K x 9	(4) 1M x 9	(4) 1M x 9
12MB	(4) 1M x 9	(4) 1M x 9	(4) 1M x 9	NONE
16MB	(4) 1M x 9	(4) 1M x 9	(4) 1M x 9	(4) 1M x 9
16MB	(4) 4M x 9	NONE	NONE	NONE
20MB	(4) 1M x 9	(4) 4M x 9	NONE	NONE
24MB	(4) 1M x 9	(4) 1M x 9	(4) 4M x 9	NONE
32MB	(4) 4M x 9	(4) 4M x 9	NONE	NONE
48MB	(4) 4M x 9	(4) 4M x 9	(4) 4M x 9	NONE
64MB	(4) 4M x 9	(4) 4M x 9	(4) 4M x 9	(4) 4M x 9
Note:Banks 2 & 3 are used when a 32-bit external memory card is installed at S1.

CACHE CONFIGURATION
Size	Bank 0	TAG
64KB	(8) 16K x 4	(2) 16K x 4