AM-4586PV / PAT45PV Motherboard Settings and Configuration

Processor	CX486SX/80486SX/80486DX/80486DX2/Pentium Overdrive/Pentium
Processor Speed	33/40/50/60/66(internal)MHz
Chip Set	OPTI
Max. Onboard DRAM	128MB
Cache	128/256/512KB
BIOS	Unidentified
Dimensions	330mm x 218mm
I/O Options	32-bit VESA local bus slots (2)
NPU Options	None

CONNECTIONS
Purpose	Location	Purpose	Location
Hard drive LED interface	J5	Hard drive LED	J4 (pins 10 & 20)
Speaker	J4 (pins 1-4)	Power LED & keylock	J4 (pins 11-15)
Turbo LED	J4 (pins 8 & 18)	External battery	J9
Reset switch	J4 (pins 9 & 19)	32-bit VESA local bus slots	SL1 & SL2

USER CONFIGURABLE SETTINGS
Function		Jumper	Position
»	CMOS memory normal operation (on board battery)	JP9	pins 2 & 3 closed
	CMOS memory normal operation (external battery)	JP9	all open
	CMOS memory clear	JP9	pins 1 & 2 closed
»	Monitor type select monochrome	JP10	Open
	Monitor type select color	JP10	Closed
»	Factory configured - do not alter	W3	N/A

DRAM CONFIGURATION (MODE 1)
Size	Bank 0	Bank 1	Bank 2	Bank 3
4MB	(4) 1M x 9	NONE	NONE	NONE
8MB	(4) 1M x 9	NONE	(1) 1M x 36	NONE
8MB	(4) 1M x 9	(4) 1M x 9	NONE	NONE
12MB	(4) 1M x 9	NONE	(1) 2M x 36	NONE
16MB	(4) 1M x 9	NONE	(1) 1M x 36	(1) 2M x 36
16MB	(4) 1M x 9	(4) 1M x 9	(1) 2M x 36	NONE
16MB	(4) 4M x 9	NONE	NONE	NONE
20MB	(4) 1M x 9	NONE	(1) 2M x 36	(1) 2M x 36
20MB	(4) 1M x 9	NONE	(1) 4M x 36	NONE
20MB	(4) 1M x 9	(4) 4M x 9	NONE	NONE
24MB	(4) 1M x 9	(4) 1M x 9	(1) 2M x 36	(1) 2M x 36
24MB	(4) 1M x 9	(4) 1M x 9	(1) 4M x 36	NONE
32MB	(4) 4M x 9	NONE	(1) 4M x 36	NONE
32MB	(4) 4M x 9	(4) 4M x 9	NONE	NONE
36MB	(4) 1M x 9	NONE	(1) 8M x 36	NONE
40MB	(4) 1M x 9	NONE	(1) 1M x 36	(1) 8M x 36
40MB	(4) 1M x 9	(4) 1M x 9	(1) 8M x 36	NONE
44MB	(4) 1M x 9	NONE	(1) 2M x 36	(1) 8M x 36
48MB	(4) 1M x 9	(4) 1M x 9	(1) 2M x 36	(1) 8M x 36
48MB	(4) 4M x 9	NONE	(1) 8M x 36	NONE
52MB	(4) 1M x 9	NONE	(1) 4M x 36	(1) 8M x 36
56MB	(4) 1M x 9	(4) 1M x 9	(1) 4M x 36	(1) 8M x 36
64MB	(4) 4M x 9	NONE	(1) 4M x 36	(1) 8M x 36
64MB	(4) 4M x 9	(4) 4M x 9	(1) 8M x 36	NONE
64MB	(4) 16M x 9	NONE	NONE	NONE
68MB	(4) 1M x 9	NONE	(1) 8M x 36	(1) 8M x 36
68MB	(4) 1M x 9	(4) 16M x 9	NONE	NONE
72MB	(4) 1M x 9	(4) 1M x 9	(1) 8M x 36	(1) 8M x 36
80MB	(4) 4M x 9	NONE	(1) 8M x 36	(1) 8M x 36
80MB	(4) 4M x 9	(4) 16M x 9	NONE	NONE
96MB	(4) 4M x 9	(4) 4M x 9	(1) 8M x 36	(1) 8M x 36
96MB	(4) 16M x 9	NONE	(1) 8M x 36	NONE
128MB	(4) 16M x 9	(4) 16M x 9	NONE	NONE
128MB	(4) 16M x 9	NONE	(1) 8M x 36	(1) 8M x 36

DRAM CONFIGURATION (MODE 2)
Size	Bank 0	Bank 1	Bank 2	Bank 3
4MB	NONE	NONE	NONE	(1) 1M x 36
8MB	NONE	NONE	(1) 1M x 36	(1) 1M x 36
8MB	NONE	NONE	NONE	(1) 2M x 36
12MB	NONE	NONE	(1) 2M x 36	(1) 1M x 36
16MB	(4) 1M x 9	(4) 1M x 9	(1) 1M x 36	(1) 1M x 36
16MB	NONE	NONE	(1) 2M x 36	(1) 2M x 36
16MB	NONE	NONE	NONE	(1) 4M x 36
20MB	(4) 1M x 9	(4) 1M x 9	(1) 2M x 36	(1) 1M x 36
20MB	NONE	NONE	(1) 4M x 36	(1) 1M x 36
24MB	(4) 1M x 9	(4) 1M x 9	(1) 2M x 36	(1) 2M x 36
24MB	NONE	NONE	(1) 4M x 36	(1) 2M x 36
32MB	NONE	NONE	(1) 4M x 36	(1) 4M x 36
32MB	NONE	NONE	NONE	(1) 8M x 36
36MB	NONE	NONE	(1) 8M x 36	(1) 1M x 36
40MB	(4) 4M x 9	(4) 4M x 9	(1) 1M x 36	(1) 1M x 36
40MB	NONE	NONE	(1) 8M x 36	(1) 2M x 36
44MB	(4) 4M x 9	(4) 4M x 9	(1) 2M x 36	(1) 1M x 36
48MB	(4) 4M x 9	(4) 4M x 9	(1) 2M x 36	(1) 2M x 36
48MB	NONE	NONE	(1) 8M x 36	(1) 4M x 36
52MB	(4) 4M x 9	(4) 4M x 9	(1) 4M x 36	(1) 1M x 36
56MB	(4) 4M x 9	(4) 4M x 9	(1) 4M x 36	(1) 2M x 36
64MB	(4) 4M x 9	(4) 4M x 9	(1) 4M x 36	(1) 4M x 36
64MB	NONE	NONE	(1) 8M x 36	(1) 8M x 36
68MB	(4) 4M x 9	(4) 4M x 9	(1) 8M x 36	(1) 1M x 36
72MB	(4) 4M x 9	(4) 4M x 9	(1) 8M x 36	(1) 2M x 36
80MB	(4) 4M x 9	(4) 4M x 9	(1) 8M x 36	(1) 4M x 36
96MB	(4) 4M x 9	(4) 4M x 9	(1) 8M x 36	(1) 8M x 36

DRAM MODE CONFIGURATION
Mode	RA6	RA12
1	Installed	Not-installed
2	Not-installed	Installed

DRAM RESISTOR ARRAY CONFIGURATION
SiMM size	RN12	RN13
16MB SIMM in Bank 0 or Bank 1	Not-installed	Installed
Other	Installed	Not-installed

CACHE CONFIGURATION
Size	Bank 0	Bank 1	Bank 2	Bank 3	Tag 1	Tag 2
128KB (32)	(4) 32K x 8	NONE	NONE	NONE	(1) 64K x 1	(1) 8K x 8
256KB (32)	(4) 32K x 8	(4) 32K x 8	NONE	NONE	(1) 64K x 1	(1) 32K x 8
256KB (64)	(4) 32K x 8	NONE	(4) 32K x 8	NONE	(1) 64K x 1	(1) 8K x 8
512KB (64)	(4) 32K x 8	(4) 32K x 8	(4) 32K x 8	(4) 32K x 8	(1) 64K x 1	(1) 32K x 8

CACHE JUMPER CONFIGURATION
Size	JP2	JP3	JP4	JP5
128KB (32-bit)	pins 2 & 3 closed	pins 2 & 3 closed	pins 1 & 2 closed	pins 1 & 2 closed
256KB (32-bit)	pins 1 & 2 closed	pins 1 & 2 closed	pins 1 & 2 closed	pins 1 & 2 closed
256KB (64-bit)	pins 1 & 2 closed	pins 1 & 2 closed	all open	pins 2 & 3 closed
512KB (64-bit)	pins 1 & 2 closed	pins 1 & 2 closed	pins 2 & 3 closed	pins 2 & 3 closed

CACHE RESISTOR ARRAY CONFIGURATION
Size	RN41	RN42	RN52	RN55
128KB (32-bit)	Installed	Not installed	Not installed	Not installed
256KB (32-bit)	Not installed	Installed	Not installed	Not installed
256KB (64-bit)	Not installed	Not installed	Installed	Not installed
512KB (64-bit)	Not installed	Not installed	Not installed	Installed

VESA BUS SPEED RESISTOR ARRAY CONFIGURATION
Speed	RN25	RN33	RN40	RN50
25MHz	Installed	Not installed	Not installed	Not installed
33MHz	Not installed	Installed	Not installed	Not installed
40MHz	Not installed	Not installed	Installed	Not installed
50MHz	Not installed	Not installed	Not installed	Installed

CPU TYPE RESISTOR ARRAY CONFIGURATION
CPU	RN1	RN2	RN3	RN4	RN5
80486SX	Installed	Not installed	Not installed	Not installed	Not installed
80486DX	Not installed	Installed	Not installed	Not installed	Not installed
80486DX2	Not installed	Installed	Not installed	Not installed	Not installed
CX-M6	Installed	Not installed	Not installed	Not installed	Not installed
Pentium ODP	Not installed	Not installed	Not installed	Installed	Not installed
P24T	Not installed	Not installed	Not installed	Installed	Not installed
Pentium	Not installed	Not installed	Not installed	Not installed	Installed

CPU TYPE RESISTOR ARRAY CONFIGURATION
CPU	RN7	RN8	RN9	RN10	RN11
80486SX	Installed	Not installed	Not installed	Not installed	Not installed
80486DX	Not installed	Installed	Not installed	Not installed	Not installed
80486DX2	Not installed	Installed	Not installed	Not installed	Not installed
CX-M6	Not installed	Not installed	Installed	Not installed	Not installed
Pentium ODP	Not installed	Installed	Not installed	Not installed	Not installed
P24T	Not installed	Not installed	Not installed	Installed	Not installed
Pentium	Not installed	Not installed	Not installed	Not installed	Installed

CPU TYPE CONFIGURATION
Type	JP6	JP7	JP8
50MHz 486DX	Closed	pins 2 & 3 closed	pins 2 & 3 closed
Pentium	Open	pins 1 & 2 closed	pins 1 & 2 closed
Other	Open	pins 2 & 3 closed	pins 2 & 3 closed

CPU SPEED CONFIGURATION
Speed	JP11	JP12	JP13	JP14	JP15
33MHz	Closed	Open	Open	Open	Open
40MHz	Open	Closed	Open	Open	Open
50MHz	Open	Open	Closed	Open	Open
66MHz	Open	Open	Open	Closed	Open
U33 installed	Open	Open	Open	Open	Closed
Note: For a 60mhz Pentium, a 60mhz oscillator must be installed in U33 (exact location unidentified).