MICROFRAME 386CX Motherboard Settings and Configuration

Processor	80386DX
Processor Speed	20/25MHz
Chip Set	C & T
Max. Onboard DRAM	8MB
Cache	32KB
BIOS	AMI/Phoenix
Dimensions	349.2mm x 330.2mm
I/O Options	32-bit external memory cards (4), serial ports (2), parallel port
NPU Options	80387/3167

CONNECTIONS
Purpose	Location	Purpose	Location
External battery	J1	Auxiliary keyboard	J8
Disk access LED	J2	Serial port 2	J10
No charge (key)	J6 pin 1	Parallel port	J11
Ready	J6 pin 2	Serial port 1	J12
Keylock	J6 pin 3	Reset switch	J13
Turbo	J6 pin 4	CPU ready LED	J14
No charge	J6 pin 5	Turbo LED	J15
Disk access	J6 pin 6	Speaker	J34
Reset	J6 pin 7	32-bit external memory card	S1
Ground	J6 pin 8	32-bit external memory card	S2
Speaker	J6 pin 9	32-bit external memory card	S3
+5VDC	J6 pin 10	32-bit external memory card	S4
Power LED & keylock	J7
Note:J2 is used only when a disk access signal is connected to J6 pin 6.

USER CONFIGURABLE SETTINGS
Function		Jumper	Position
»	Monitor type select color	J16	pins 2 & 3 closed
	Monitor type select monochrome	J16	pins 1 & 2 closed
»	Factory configured - do not alter	J17	N/A

DRAM CONFIGURATION
Size	Bank 0	Bank 1
1MB	(4) 256K x 9	NONE
2MB	(4) 256K x 9	(4) 256K x 9
4MB	(4) 1M x 9	NONE
8MB	(4) 1M x 9	(4) 1M x 9