TP486 SONIC EISA Motherboard Settings and Configuration

Processor	80486SX/80486DX/ODP486SX/80486DX2
Processor Speed	20/25/33/50(internal)/50/66(internal)MHz
Chip Set	Unidentified
Max. Onboard DRAM	64MB
Cache	64/256KB
BIOS	Unidentified
Dimensions	330mm x 218mm
I/O Options	32-bit proprietary local bus slots(2)
NPU Options	4167

CONNECTIONS
Purpose	Location	Purpose	Location
Reset switch	J1	32-bit proprietary local bus slot(video)	SL1
Speaker	J2	32-bit proprietary local bus slot(CPU)	SL2
Power LED & keylock	J3

USER CONFIGURABLE SETTINGS
Function		Jumper	Position
»	Monitor type select color	JP7	Closed
	Monitor type select monochrome	JP7	Open
»	TP Sonic Mirage Local bus graphics card not installed	JP9	pins 1 & 2 closed
	TP Sonic Mirage Local bus graphics card installed	JP9	pins 2 & 3 closed
»	Factory configured-do not alter	JP13	Open
Note: The location of JP13 is unidentified.

DRAM CONFIGURATION
Size	Bank 0	Bank 1	Bank 2	Bank 3
4MB	(1) 1M x 36	NONE	NONE	NONE
8MB	(1) 1M x 36	(1) 1M x 36	NONE	NONE
12MB	(1) 1M x 36	(1) 1M x 36	(1) 1M x 36	NONE
16MB	(1) 1M x 36	(1) 1M x 36	(1) 1M x 36	(1) 1M x 36
16MB	(1) 4M x 36	NONE	NONE	NONE
20MB	(1) 1M x 36	(1) 4M x 36	NONE	NONE
24MB	(1) 1M x 36	(1) 1M x 36	(1) 4M x 36	NONE
24MB	(1) 1M x 36	(1) 4M x 36	(1) 1M x 36	NONE
28MB	(1) 1M x 36	(1) 1M x 36	(1) 4M x 36	(1) 1M x 36
28MB	(1) 1M x 36	(1) 4M x 36	(1) 1M x 36	(1) 1M x 36
32MB	(1) 4M x 36	(1) 4M x 36	NONE	NONE
36MB	(1) 1M x 36	(1) 4M x 36	(1) 4M x 36	NONE
36MB	(1) 4M x 36	(1) 4M x 36	(1) 1M x 36	NONE
40MB	(1) 1M x 36	(1) 1M x 36	(1) 4M x 36	(1) 4M x 36
40MB	(1) 4M x 36	(1) 4M x 36	(1) 4M x 36	(1) 4M x 36
40MB	(1) 4M x 36	(1) 4M x 36	(1) 1M x 36	(1) 1M x 36
48MB	(1) 4M x 36	(1) 4M x 36	(1) 4M x 36
52MB	(1) 1M x 36	(1) 4M x 36	(1) 4M x 36	(1) 4M x 36
52MB	(1) 4M x 36	(1) 4M x 36	(1) 4M x 36	(1) 1M x 36
64MB	(1) 4M x 36	(1) 4M x 36	(1) 4M x 36	(1) 4M x 36

CPU TYPE CONFIGURATION
Type	JP1	JP2	JP3	JP5	JP6	JP11	JP12
386 EISA	1 & 2	1 & 2	Closed	Open	Open	1 & 2	1 & 2
486 EISA	2 & 3	2 & 3	Open	Closed	Closed	2 & 3	2 & 3
Note: Pins designated should be in the closed position.

CPU SPEED CONFIGURATION
Speed	JP4	JP8	JP10
20MHz	pins 2 & 3 closed	pins 2 & 3 closed	Closed
25MHz	pins 1 & 2 closed	pins 2 & 3 closed	Open
33MHz	pins 1 & 2 closed	pins 2 & 3 closed	Open
50iMHz	pins 1 & 2 closed	pins 1 & 2 closed	Open
50MHz	pins 1 & 2 closed	pins 1 & 2 closed	Open
66iMHz	pins 1 & 2 closed	pins 2 & 3 closed	Open

CACHE CONFIGURATION
Size	Bank 0	TAG(U1)	TAG(U9)
64KB	(8) 8K x 8	(1) 8K x 9	(1) 16K x 1
256KB	(8) 32K x 8	(1) 32K x 9	(1) 64K x 1

CACHE JUMPER CONFIGURATION
Size	JP5	JP6	JP7	JP8
64KB	Open	Open	Open	Open
256KB	Closed	Closed	Closed	Closed

CPU TYPE CONFIGURATION
Type	SW1/1	SW1/2	SW1/3	SW1/4
DX2	Off	On	Off	On
Overdrive	On	Off	On	Off

CPU SPEED CONFIGURATION
Speed	JP1	JP2	JP3	JP4
20MHz	2 & 3	Open	Open	Open
25MHz SX	2 & 3	Open	Open	Open
25MHz DX	1, 2, 3, & 4	Closed	Open	Open
33MHz	1, 2, 3, & 4	Closed	Open	Closed
50iMHz	1, 2, 3, & 4	Closed	Open	Open
50MHz	1, 2, 3, & 4	Closed	Closed	Closed
66iMHz	1, 2, 3, & 4	Closed	Open	Closed
Note: Pins designated should be in the closed position.