HIPPO DCA2 486 Motherboard Settings and Configuration

Processor	80486SX/SL80486SX/80487SX/CX486DX/80486DX/SL80486DX/ CX486DX2/AM486DX2/80486DX2/SL80486DX2/80486DX4/P24T
Processor Speed	25/33/50(internal)/66(internal)/75(internal)/100(internal)MHz
Chip Set	Unidentified
Video Chip Set	None
Maximum Onboard Memory	96MB
Maximum Video Memory	None
Cache	None
BIOS	AMI/MR
Dimensions	279mm x 215mm
I/O Options	32-bit VESA local bus slots (3)
NPU Options	None

CONNECTIONS
Purpose	Location	Purpose	Location
Chassis fan power	JP2	Speaker	P4
Reset switch	P1	Power LED & keylock	P5
Turbo switch	P2	External battery	P8
Turbo LED	P3	32-bit VESA local bus slots	SL1 - SL3
Note: JP2 may not be present.

USER CONFIGURABLE SETTINGS
Function		Label	Position
»	Fan voltage select 12v	JP1	Pins 2 & 3 closed
	Fan voltage select 5v	JP1	Pins 1 & 2 closed
»	Reserved for future use (CPU signal reset source)	JP5	Pins 1 & 2 closed
»	Reserved for future use (SL CPU select)	JP13	Pins 2 & 3 closed
»	Reserved for future use (CPU multiplier 2.5x)	JP16	Open
»	Reserved for future use (CPU multiplier 2x)	JP17	Open
»	Reserved for future use (EPMI)	JP18	Open
»	CMOS memory normal operation	JP19	Pins 2 & 3 closed
	CMOS memory clear	JP19	Pins 1 & 2 closed
»	Power good signal detect from power supply	JP20	Pins 1 & 2 closed
	Power good signal detect from board	JP20	Pins 2 & 3 closed
»	Monitor type select color	JP21	Pins 1 & 2 closed
	Monitor type select monochrome	JP21	Pins 2 & 3 closed
»	Reserved for future use (Cyrix voltage select 3.3v)	JP22	Open
»	Reserved for future use (Cyrix voltage select 3.6v)	JP23	Open
»	Reserved for future use (Cyrix voltage select 3.8v)	JP24	Open
»	Reserved for future use (Cyrix voltage select 4v)	JP25	Open
»	Reserved for future use (Intel/AMD CLKMUL)	JP26	Pins 1 & 2 closed
»	Reserved for future use (Intel/AMD voltage 3.45v/5v)	JP27	Closed
»	Reserved for future use (force voltage to 5v)	JP28	Open

DRAM CONFIGURATION
Size	Bank 0	Bank 1	Bank 2	Bank 3
4MB	(1) 1M x 36	None	None	None
6MB	(1) 1M x 36	None	(1) 512K x 36	None
8MB	(1) 1M x 36	None	(1) 512K x 36	(1) 512K x 36
8MB	(1) 1M x 36	(1) 1M x 36	None	None
8MB	(1) 2M x 36	None	None	None
12MB	(1) 1M x 36	None	(1) 2M x 36	None
12MB	(1) 1M x 36	(1) 1M x 36	(1) 1M x 36	None
12MB	(1) 1M x 36	(1) 2M x 36	None	None
12MB	(1) 2M x 36	None	(1) 1M x 36	None
16MB	(1) 1M x 36	(1) 1M x 36	(1) 1M x 36	(1) 1M x 36
16MB	(1) 1M x 36	(1) 1M x 36	(1) 2M x 36	None

DRAM CONFIGURATION (CON’T)
Size	Bank 0	Bank 1	Bank 2	Bank 3
16MB	(1) 2M x 36	None	(1) 1M x 36	(1) 1M x 36
16MB	(1) 2M x 36	None	(1) 2M x 36	None
16MB	(1) 2M x 36	(1) 2M x 36	None	None
16MB	(1) 4M x 36	None	None	None
20MB	(1) 1M x 36	None	(1) 2M x 36	(1) 2M x 36
20MB	(1) 1M x 36	(1) 2M x 36	(1) 2M x 36	None
24MB	(1) 1M x 36	(1) 1M x 36	(1) 2M x 36	(1) 2M x 36
24MB	(1) 1M x 36	(1) 1M x 36	(1) 4M x 36	None
24MB	(1) 2M x 36	None	(1) 2M x 36	(1) 2M x 36
24MB	(1) 2M x 36	None	(1) 4M x 36	None
24MB	(1) 2M x 36	(1) 2M x 36	(1) 2M x 36	None
24MB	(1) 4M x 36	None	(1) 2M x 36	None
28MB	(1) 1M x 36	(1) 1M x 36	(1) 4M x 36	(1) 1M x 36
28MB	(1) 2M x 36	None	(1) 4M x 36	(1) 1M x 36
32MB	(1) 2M x 36	(1) 2M x 36	(1) 2M x 36	(1) 2M x 36
32MB	(1) 2M x 36	(1) 2M x 36	(1) 4M x 36	None
32MB	(1) 4M x 36	None	(1) 2M x 36	(1) 2M x 36
32MB	(1) 4M x 36	None	(1) 4M x 36	None
32MB	(1) 4M x 36	(1) 4M x 36	None	None
40MB	(1) 1M x 36	(1) 1M x 36	(1) 4M x 36	(1) 4M x 36
40MB	(1) 1M x 36	(1) 1M x 36	(1) 8M x 36	None
40MB	(1) 2M x 36	None	(1) 4M x 36	(1) 4M x 36
40MB	(1) 2M x 36	None	(1) 8M x 36	None
48MB	(1) 2M x 36	(1) 2M x 36	(1) 4M x 36	(1) 4M x 36
48MB	(1) 2M x 36	(1) 2M x 36	(1) 8M x 36	None
48MB	(1) 4M x 36	None	(1) 4M x 36	(1) 4M x 36
48MB	(1) 4M x 36	None	(1) 8M x 36	None
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
64MB	(1) 4M x 36	(1) 4M x 36	(1) 8M x 36	None
72MB	(1) 1M x 36	(1) 1M x 36	(1) 8M x 36	(1) 8M x 36
72MB	(1) 2M x 36	None	(1) 8M x 36	(1) 8M x 36
80MB	(1) 2M x 36	(1) 2M x 36	(1) 8M x 36	(1) 8M x 36
80MB	(1) 4M x 36	None	(1) 8M x 36	(1) 8M x 36
96MB	(1) 4M x 36	(1) 4M x 36	(1) 8M x 36	(1) 8M x 36
Note: Banks 0 & 1 only accept Dynamicache modules.

CPU SPEED SELECTION
Speed	JP3	JP4
25MHz	Pins 1 & 2 closed	Pins 1 & 2 closed
33MHz	Pins 2 & 3 closed	Pins 2 & 3 closed
50iMHz	Pins 1 & 2 closed	Pins 1 & 2 closed
66iMHz	Pins 2 & 3 closed	Pins 2 & 3 closed
75iMHz	Pins 1 & 2 closed	Pins 1 & 2 closed
100iMHz	Pins 2 & 3 closed	Pins 2 & 3 closed

CPU TYPE SELECTION
Type	JP6	JP7	JP8	JP10	JP14	JP15
80486SX	Open	Open	Open	2 & 3	2 & 3	2 & 3
SL80486SX	Open	Open	Open	2 & 3	2 & 3	2 & 3
80487SX	Open	Open	2 & 3	1 & 2, 3 & 4	2 & 3	2 & 3
CX486DX	Open	2 & 3	1 & 2	1 & 2, 3 & 4	2 & 3	2 & 3
80486DX	Open	Open	1 & 2	1 & 2, 3 & 4	2 & 3	2 & 3
SL80486DX	Open	Open	1 & 2	1 & 2, 3 & 4	2 & 3	2 & 3
CX486DX2	Open	1 & 2	1 & 2	1 & 2, 3 & 4	2 & 3	2 & 3
AM486DX2	Open	Open	1 & 2	1 & 2, 3 & 4	2 & 3	2 & 3
80486DX2	Open	Open	1 & 2	1 & 2, 3 & 4	2 & 3	2 & 3
SL80486DX2	Open	Open	1 & 2	1 & 2, 3 & 4	2 & 3	2 & 3
80486DX4	Open	Open	1 & 2	1 & 2, 3 & 4	2 & 3	2 & 3
P24T	Open	Open	1 & 2	1 & 2, 3 & 4	2 & 3	2 & 3

VL BUS WAIT STATE SELECTION
Setting		JP12
	0	Pins 2 & 3 closed
»	1	Pins 1 & 2 closed

VL BUS SPEED SELECTION
Setting		JP11
»	<= 33MHz	Pins 2 & 3 closed
	>33 MHz	Pins 1 & 2 closed

VL BUS SELECTION
Setting		JP9	JW1
»	Synchronous	Open	Pins 2 & 3 closed
	Nonsynchronous	Pins 2 & 3 closed	Pins 1 & 2 closed

MISCELLANEOUS TECHNICAL NOTE

The location of pin 1 on all jumpers is unidentified.