PAT48PR Motherboard Settings and Configuration

Processor	80486SX/80487SX/80486DX/80486DX2/Pentium Overdrive
Processor Speed	20/25/33/40(internal)/50(internal)/50/66(internal)MHz
Chip Set	OPTI
Max. Onboard DRAM	64MB
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
Speaker	J1 (pins 1-4)	IDE interface LED (to case)	J1 (pins 10 & 20)
Power LED & keylock	J1 (pins 11-15)	IDE interface LED (to HDD)	J2
Turbo switch	J1 (pins 7 & 17)	External battery	J4
Turbo LED	J1 (pins 8 & 18)	32-bit local bus slots	SL1 & SL2
Reset switch	J1 (pins 9 & 19)

USER CONFIGURABLE SETTINGS
Function		Jumper	Position
»	Battery type select internal	JP1	pins 2 & 3 closed
	Battery type select external	JP1	Open
	CMOS memory clear	JP1	pins 1 & 2 closed
»	Monitor type select color	JP4	Closed
	Monitor type select monochrome	JP4	Open

DRAM CONFIGURATION (GROUP A)
Size	Bank 0	Bank 1	Bank 2	Bank 3
1MB	(4) 256K x 9	NONE	NONE	NONE
2MB	(4) 256K x 9	(4) 256K x 9	NONE	NONE
4MB	(4) 1M x 9	NONE	NONE	NONE
5MB	(4) 256K x 9	(4) 1M x 9	NONE	NONE
6MB	(4) 256K x 9	(4) 256K x 9	(1) 1M x 36	NONE
8MB	(4) 1M x 9	(4) 1M x 9	NONE	NONE
9MB	(4) 256K x 9	(4) 1M x 9	(1) 1M x 36	NONE
10MB	(4) 256K x 9	(4) 256K x 9	(1) 1M x 36	(1) 1M x 36
12MB	(4) 1M x 9	(4) 1M x 9	(1) 1M x 36	NONE
13MB	(4) 256K x 9	(4) 1M x 9	(1) 1M x 36	(1) 1M x 36
16MB	(4) 1M x 9	(4) 1M x 9	(1) 1M x 36	(1) 1M x 36
16MB	(4) 4M x 9	NONE	NONE	NONE
20MB	(4) 1M x 9	(4) 4M x 9	NONE	NONE
20MB	(4) 4M x 9	(4) 1M x 9	NONE	NONE
24MB	(4) 1M x 9	(4) 4M x 9	(1) 1M x 36	NONE
24MB	(4) 4M x 9	(4) 1M x 9	(1) 1M x 36	NONE
28MB	(4) 1M x 9	(4) 4M x 9	(1) 1M x 36	(1) 1M x 36
28MB	(4) 4M x 9	(4) 1M x 9	(1) 1M x 36	(1) 1M x 36
32MB	(4) 4M x 9	(4) 4M x 9	NONE	NONE
36MB	(4) 4M x 9	(4) 4M x 9	(1) 1M x 36	NONE
40MB	(4) 4M x 9	(4) 4M x 9	(1) 1M x 36	(1) 1M x 36
48MB	(4) 4M x 9	(4) 4M x 9	(1) 4M x 36	NONE
52MB	(4) 4M x 9	(4) 4M x 9	(1) 4M x 36	(1) 1M x 36
52MB	(4) 4M x 9	(4) 1M x 9	(1) 4M x 36	(1) 4M x 36
64MB	(4) 4M x 9	(4) 4M x 9	(1) 4M x 36	(1) 4M x 36
Note: Group A -- 30-pin SIMMS = Banks 0 & 1 and 72-pin SIMMS = 2 & 3.

DRAM CONFIGURATION (GROUP B)
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	(4) 1M x 9	NONE
16MB	(1) 1M x 36	(1) 1M x 36	(4) 1M x 9	(4) 1M x 9
16MB	(1) 4M x 36	NONE	NONE	NONE
20MB	(1) 4M x 36	(1) 1M x 36	NONE	NONE
24MB	(1) 4M x 36	(1) 1M x 36	(4) 1M x 9	NONE
24MB	(1) 1M x 36	(1) 1M x 36	(4) 4M x 9	NONE
28MB	(1) 1M x 36	(1) 1M x 36	(4) 4M x 9	(4) 1M x 9
28MB	(1) 4M x 36	(1) 1M x 36	(4) 1M x 9	(4) 1M x 9
32MB	(1) 4M x 36	(1) 4M x 36	NONE	NONE
36MB	(1) 4M x 36	(1) 1M x 36	(4) 4M x 9	NONE
40MB	(1) 1M x 36	(1) 1M x 36	(4) 4M x 9	(4) 4M x 9
40MB	(1) 4M x 36	(1) 4M x 36	(4) 1M x 9	(4) 1M x 9
48MB	(1) 4M x 36	(1) 4M x 36	(4) 4M x 9	NONE
52MB	(1) 4M x 36	(1) 4M x 36	(4) 4M x 9	(4) 1M x 9
52MB	(1) 4M x 36	(1) 1M x 36	(4) 4M x 9	(4) 4M x 9
64MB	(1) 4M x 36	(1) 4M x 36	(4) 4M x 9	(4) 4M x 9
Note: Group B -- = 72-pin SIMMS Banks 0 & 1 and 30-pin SIMMS = 2 & 3.

DRAM CONFIGURATION (GROUP C)
Size	Bank 0	Bank 1
4MB	(1) 1M x 36	NONE
8MB	(1) 2M x 36	(1) 1M x 36
12MB	(1) 2M x 36	(1) 1M x 36
16MB	(1) 2M x 36	(1) 2M x 36
16MB	(1) 4M x 36	NONE
24MB	(1) 2M x 36	(1) 4M x 36
32MB	(1) 8M x 36	NONE
40MB	(1) 2M x 36	(1) 8M x 36
40MB	(1) 8M x 36	(1) 2M x 36
48MB	(1) 8M x 36	(1) 4M x 36
64MB	(1) 8M x 36	(1) 8M x 36
Note: Group C -- = 72-pin SIMMS Banks 0 & 1.

DRAM TYPE CONFIGURATION
Group	RNB1/2	RNC1/2	RND1/2
Group A	Not installed	Installed	Not installed
Group B	Not installed	Not installed	Installed
Group C	Installed	Not installed	Not installed

CACHE CONFIGURATION
Size	Bank 0	Bank 1	TAG (U43)	TAG (U44)
64KB	(4) 8K x 8	(4) 8K x 8	(1) 8K x 8	(1) 64K x 1
128KB	(4) 32K x 8	NONE	(1) 8K x 8	(1) 64K x 1
256KB	(4) 32K x 8	(4) 32K x 8	(1) 32K x 8	(1) 64K x 1

CACHE JUMPER CONFIGURATION
Size	RND	RNE	RNF
64KB	Installed	Not installed	Not installed
128KB	Not installed	Installed	Not installed
256KB	Not installed	Not installed	Installed

CPU TYPE CONFIGURATION
Type	RNA3	RNB3	RNC3
80486SX	Not installed	Not installed	Installed
80487SX	Not installed	Installed	Not installed
80486DX/DX2	Installed	Not installed	Not installed
Pentium Overdrive	Not installed	Installed	Not installed

CPU SPEED CONFIGURATION
Speed	JP2	W13	W14	W15	W16
20MHz	pins 2 & 3 closed	Open	Closed	Open	Open
25MHz	pins 2 & 3 closed	Open	Open	Closed	Open
33MHz	pins 2 & 3 closed	Open	Open	Open	Closed
40iMHz	pins 2 & 3 closed	Open	Closed	Open	Open
50iMHz	pins 2 & 3 closed	Open	Open	Closed	Open
50MHz	pins 1 & 2 closed	Open	Open	Closed	Open
66iMHz	pins 2 & 3 closed	Open	Open	Open	Closed

BUS SPEED CONFIGURATION
CPU type	JP3	JP5	JP6
80486DX-50	Closed	Closed	Closed
All other CPU	Open	Open	Open

VESA WAIT STATE CONFIGURATION
CPU type	VLB cards installed	W21	W22	W23
80486DX-50	1	pin 1 on W21 & pin 1 on W22 closed	pins 2 & 3 closed
All other CPU	2	Closed	Closed	pins 1 & 2 closed