DX-6600

AMPTRON INTERNATIONAL, INC.

DX-6600

Processor	80486SX/AM486SX/Cx486S/80487SX/AM486DX 80486DX/Cx486DX/AM486DX2/80486DX2
Processor Speed	25/33/40/50(internal/50/66(internal)MHz
Chip Set	SARC
Max. Onboard DRAM	64MB
Cache	64/128/256KB
BIOS	AMI
Dimensions	330mm x 218mm
I/O Options	32-bit VESA local bus slots (3)
NPU Options	80387DX

CONNECTIONS
Purpose	Location	Purpose	Location
Power LED & keylock	JP10	Reset switch	JP13
Speaker	JP11	Turbo switch	JP14
Turbo LED	JP12	32-bit VESA local bus slots	SL1, SL2,& SL3

USER CONFIGURABLE SETTINGS
Function		Jumper	Position
	CPU clock rate < 33 MHz	JP15	Open
	CPU clock rate > 33 MHz	JP15	pins 1 & 2 closed
»	CMOS memory normal operation(External Battery)	JP1	Open
	CMOS memory normal operation(Rechargeable Battery)	JP1	pins 2 & 3 closed
	CMOS memory clear	JP1	pins 3 & 4 closed

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
5MB	(4) 1M x 9	(4) 256K x 9
8MB	(4) 1M x 9	(4) 1M x 9
16MB	(4) 4M x 9	NONE
20MB	(4) 4M x 9	(4) 1M x 9
32MB	(4) 4M x 9	(4) 4M x 9
64MB	(4) 16M x 9	NONE

CACHE CONFIGURATION
Size	Bank 0	Bank 1	TAG
64KB	(4) 8K x 8	(4) 8K x 8	(1) 8K x 8
128KB	(4) 32K x 8	NONE	(1) 8K x 8
256KB	(4) 32K x 8	(4) 32K x 8	(1) 32K x 8

CACHE JUMPER CONFIGURATION
Size	JP2	JP4	JP5	JP6
64KB	Open	Open	pins 1 & 2 closed	Open
128KB	Open	Closed	pins 2 & 3 closed	pins 2 & 3 closed
256KB	Closed	Closed	pins 1 & 2 closed	pins 1 & 2 closed

CPU TYPE CONFIGURATION
CPU Type	JP16	JP17
80486SX	pins 2 & 3 closed	Open
Cx486S	pins 1 & 2, 3 & 4 closed	pins 1 & 2 closed
80487SX	pins 1 & 2, 3 & 4 closed	pins 2 & 3 closed
80486DX	pins 1 & 2, 3 & 4 closed	pins 1 & 2 closed
Cx486DX	pins 1 & 2, 3 & 4 closed	pins 1 & 2 closed
80486DX2	pins 1 & 2, 3 & 4 closed	pins 1 & 2 closed

CPU SPEED CONFIGURATION
CPU speed	JP7	JP8	JP18
25MHz	pins 2 & 3 closed	pins 1 & 2 closed	pins 1 & 2 closed
33MHz	pins 1 & 2 closed	pins 2 & 3 closed	pins 1 & 2 closed
40MHz	pins 2 & 3 closed	pins 2 & 3 closed	pins 1 & 2 closed
50MHz	pins 2 & 3 closed	pins 1 & 2 closed	pins 2 & 3 closed
50iMHz	pins 2 & 3 closed	pins 1 & 2 closed	pins 1 & 2 closed
66iMHz	pins 1 & 2 closed	pins 2 & 3 closed	pins 1 & 2 closed

CPU SPEED CONFIGURATION (AMD486 CPU ONLY)
	Adaptor Board	System Board
CPU speed	JP1	JP2		JP18
25MHz	pins 1 & 2	pins 1 & 2, 3 & 4		pins 2 & 3
33MHz	pins 2 & 3	pins 1 & 2, 3 & 4		pins 2 & 3
Cx 40MHz	pins 2 & 3	pins 3 & 4		pins 1 & 2
40MHz	pins 1 & 2	pins 2 & 3		pins 1 & 2
50MHz	pins 1 & 2	pins 3 & 4		pins 2 & 3
50iMHz	pins 1 & 2	pins 1 & 2, 3 & 4		pins 2 & 3
66iMHz	pins 2 & 3	pins 1 & 2, 3 & 4		pins 2 & 3
Note:Pins designated are in the closed position.
When this system board is installed with a AMD486 CPU, a DX-6600 clock generator adaptor board is required. A system board that has this adaptor board installed must follow the above configuration table. System boards without this adapter board are to be configured according to the user manual. To install the DX-6600 clock generator adaptor board, remove the original clock chip from location "Y1" (between the 387DX socket and the inner most VL-bus slot). Remove the jumper caps from JP7 and JP8. Use a wire cutter to cut all the pins from JP7. Orient the cut-off at the socket under the adapter with the cut-off at the socket on the system board location "Y1" in such a way that the jumper JP1 & JP2 on the adapter board are on top of the original jumper JP7 on the system board. Insert the adapter board firmly into the 8-pin system board socket and follow the jumper settings above to configure your system. If you have any problems installing the DX-6600 or configuring your system, please contact the manufacturer for assisstance.