IPC DYNASTY HE (MB486HE#20) Motherboard Settings and Configuration

Processor	80486SX/80487SX/80486DX/ODP486SX/80486DX2/Pentium Overdrive
Processor Speed	25/33/50(internal)/66(internal)MHz
Chip Set	UMC
Max. Onboard DRAM	32MB
Cache	64/128/256KB
BIOS	AMI
Dimensions	330mm x 218mm
I/O Options	32-bit VESA local bus slots (2)
NPU Options	None

CONNECTIONS
Purpose	Location	Purpose	Location
Turbo LED	J2	Power LED & keylock	J5
Speaker	J3	External battery	J6
Reset switch	J4	32-bit VESA local bus slots	SL1 & SL2

USER CONFIGURABLE SETTINGS
Function		Jumper	Position
»	Turbo enabled	J1	Open
	Turbo disabled	J1	Closed
»	Factory configured - do not alter	W23	Open
»	CPU clock select 1x	W24	Open
	CPU clock select 2x	W24	Closed
»	Factory configured - do not alter	W25	Open
»	Monitor type select color	W26	Closed
	Monitor type select monochrome	W26	Open
»	Battery type select internal	W27	Closed
	Battery type select external	W27	Open

DRAM CONFIGURATION
Size	Bank 0	Bank 1
4MB	(4) 1M x 9	NONE
8MB	(4) 1M x 9	(4) 1M x 9
16MB	(4) 4M x 9	NONE
32MB	(4) 4M x 9	(4) 4M x 9

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	W1	W2	W3	W4	W5	W6	W7
64KB	Closed	Closed	1 & 2	1 & 2	1 & 2	Open	Open
128KB	Closed	Closed	2 & 3	1 & 2	2 & 3	1 & 2	Open
256KB	Closed	Closed	2 & 3	2 & 3	1 & 2	2 & 3	Open
Note: Pins designated should be in the closed position..

CACHE JUMPER CONFIGURATION (CON’T)
Size	W13	W14	W15	W16	W17	W18	W19	W20
64KB	Open	Open	Open	Open	Open	Open	Open	Open
128KB	Closed	Open	Open	Open	Open	Open	Open	Closed
256KB	Closed	Closed	Open	Open	Open	Open	Closed	Closed
Note: The location of the above jumpers are unidentified.

CPU TYPE CONFIGURATION
Type	W8	W9	W10	W11	W12
80486SX (PQFP)	1 & 2	Open	Open	1 & 2	Open
80486SX (PGA)	Open	Open	2 & 3	Open	2 & 3
ODP486SX	1 & 2	Open	1 & 2, 3 & 4	Open	1 & 2
80487SX	1 & 2	Open	1 & 2, 3 & 4	Open	1 & 2
80486DX (PQFP)	2 & 3	Closed	Closed	1 & 2	Open
80486DX (PGA)	2 & 3	Open	1 & 2, 3 & 4	Open	2 & 3
80486DX2	2 & 3	Open	1 & 2, 3 & 4	Open	2 & 3
Pentium Overdrive	1 & 2	Open	1 & 2, 3 & 4	Open	1 & 2
Note: Pins designated should be in the closed position. The locations of W8 & W9 are unidentified.

VESA WAIT STATE CONFIGURATION
Wait states	W22
0 wait states	Open
1 wait state	Closed

BUS SPEED CONFIGURATION
CPU speed	W21
<= 33MHz	Open
> 33MHz	Closed