UNH433L Motherboard Settings and Configuration

Processor	80386DX/80486SX/80487SX/80486DX/80486DX2
Processor Speed	20/25/33/40/50(internal)/50/66(internal)
Chip Set	UNI
Max. Onboard DRAM	32MB
SRAM Cache	32/64/128/256KB
BIOS	AMI
Dimensions	250mm x 220mm
I/O Options	32-bit proprietary local bus
NPU Options	80387SX

CONNECTIONS
Purpose	Location	Purpose	Location
External battery	BAT	Speaker	SPK
Power LED & keylock	KEYL	Turbo LED	TLED
Reset switch	RSW	Turbo switch	TSW
32-bit local bus card	S1
Note:The 32-bit local bus slot cannot be used if the CPU is a 386DX or a 486DX-50MHz.

USER CONFIGURABLE SETTINGS
Function		Jumper	Position
»	Monitor type select color	JP19	open
	Monitor type select monochrome	JP19	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
8MB	(4) 1M x 9	(4) 1M x 9
16MB	(4) 4M x 9	NONE
20MB	(4) 1M x 9	(4) 4M x 9
32MB	(4) 4M x 9	(4) 4M x 9

CPU TYPE CONFIGURATION
Type	JP10	JP11	JP14	JP15	JP16	JP18	JP20
80486	pins 1 & 2	closed	pins 1 & 2	pins 1 & 2	pins 1 & 2	pins 3 & 4	pins 2 & 3
80386	pins 2 & 3	open	pins 2 & 3	pins 2 & 3	pins 2 & 3	pins 1 & 2	pins 1 & 2
Note:Pins designated should be in the closed position.

486CPU TYPE CONFIGURATION
Type	JP1	JP2
80486DX2	pins 1 & 2 closed	pins 1 & 2 and 3 & 4 closed
80486DX	pins 1 & 2 closed	pins 1 & 2 and 3 & 4 closed
80487SX	pins 2 & 3 closed	pins 1 & 2 and 3 & 4 closed
80486SX	open	pins 2 & 3 closed

SRAM CONFIGURATION
Size	Cache SRAM	Location	TAG
32KB	(4) 8K x 8	Bank 0	(1) 8K x 8
64KB	(8) 8K x 8	Banks 0 & 1	(1) 8K x 8
128KB	(4) 32K x 8	Bank 0	(1) 32K x 8
256KB	(8) 32K x 8	Banks 0 & 1	(1) 32K x 8

SRAM JUMPER CONFIGURATION
Size	JP3	JP4	JP5	JP6	JP7	JP8	JP9	JP17
32KB	open	open	open	pins 2 & 3	pins 2 & 3	pins 1 & 2	pins 2 & 3	pins 2 & 3
64KB	open	open	closed	pins 1 & 2	pins 2 & 3	pins 2 & 3	pins 2 & 3	pins 1 & 2
128KB	open	closed	closed	pins 2 & 3	pins 1 & 2	pins 2 & 3	pins 2 & 3	pins 1&2 and 3&4
256KB	closed	closed	closed	pins 2 & 3	pins 2 & 3	pins 2 & 3	pins 1 & 2	pins 1&2 and 4&5
Note:Pins designated should be in the closed position.