Processor	80486SX/80487SX/80486DX/80486DX2/Pentium Overdrive
Processor Speed	25/33/50/66MHz
Chip Set	Micronics
Max. Onboard DRAM	64MB
Cache	64/128/256KB
BIOS	Phoenix
Dimensions	240mm x 215mm
I/O Options	None
NPU Options	None

CONNECTIONS
Purpose	Location	Purpose	Location
External battery	J1	Turbo LED	W14
Speaker	J18	Turbo switch	W15
External keyboard connector	J19	Power LED & keylock	W19
Reset switch	W13

USER CONFIGURABLE SETTINGS
Function		Jumper	Position
»	CMOS memory normal operation	W1	pins 1 & 2 closed
	CMOS memory clear	W1	pins 2 & 3 closed
»	Monitor type select color	W3	Closed
	Monitor type select monochrome	W3	Open

DRAM CONFIGURATION
Size	Bank 0	Bank 1	Bank 2	Bank 3
1MB	(1) 256K x 36	NONE	NONE	NONE
2MB	(1) 256K x 36	(1) 256K x 36	NONE	NONE
4MB	(1) 1M x 36	NONE	NONE	NONE
6MB	(1) 256K x 36	(1) 256K x 36	(1) 1M x 36	NONE
8MB	(1) 1M x 36	(1) 1M x 36	NONE	NONE
10MB	(1) 256K x 36	(1) 256K x 36	(1) 1M x 36	(1) 1M x 36
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	(4) 1M x 9
16MB	(1) 4M x 36	NONE	NONE	NONE
18MB	(1) 256K x 36	(1) 256K x 36	(1) 4M x 36	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
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
40MB	(1) 1M x 36	(1) 1M x 36	(1) 4M x 36	(1) 4M x 36
48MB	(1) 4M x 36	(1) 4M x 36	(1) 4M x 36	NONE
64MB	(1) 4M x 36	(1) 4M x 36	(1) 4M x 36	(1) 4M x 36

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	W7	W9	W10	W17	W18
64KB	2 & 3	1 & 2	2 & 3	1 & 2	1 & 2
128KB	1 & 2	2 & 3	1 & 2	2 & 3	1 & 2
256KB	2 & 3	2 & 3	2 & 3	2 & 3	2 & 3
Note: Pins designated should be in closed position.

CPU TYPE CONFIGURATION
Type	W12
80486SX	pins 2 & 3 closed
80487SX	pins 1 & 2 closed
80486DX	pins 2 & 3 closed
80486DX2	pins 2 & 3 closed
Overdrive	pins 1 & 2 closed