PCI48AL (VER. 0.10) Motherboard Settings and Configuration

Processor	80486SX/SL80486SX//80487SX/CX486DX/80486DX/AM486DXL/SL80486DX/ODP486SX/CX486DX2/80486DX2/SL80486DX2/80486DX4/P24C/P24D/ P24CP/Pentium Overdrive
Processor Speed	25/33/40/50(internal)/50/66(internal)/75(internal)/100(internal)MHz
Chip Set	Unidentified
Max. Onboard DRAM	128MB
Cache	128/256KB
BIOS	Unidentified
Dimensions	330mm x 218mm
I/O Options	32-bit PCI slots (3), floppy drive interface, green PC connector, IDE interfaces (2), parallel port, serial ports (2)
NPU Options	None

CONNECTIONS
Purpose	Location	Purpose	Location
Serial port 1	CN1	Turbo switch	J12 pins 7 & 17
Serial port 2	CN2	Turbo LED	J12 pins 8 & 18
Parallel port	CN3	Reset switch	J12 pins 9 & 19
Floppy drive interface	CN4	IDE interface LED	J12 pins 10 & 20
IDE interface (primary)	CN5	Power LED & keylock	J12 pins 11 -15
IDE interface (secondary)	CN6	32-bit PCI slots	PCI1 - PCI3
External battery	J9	Green PC connector	SW
Speaker	J12 pins 1 - 4

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
»	IDE interface enabled	JP2	Closed
	IDE interface disabled	JP2	Open
»	BIOS type select normal	JP3	pins 2 & 3 closed
	BIOS type select flash	JP3	pins 1 & 2 closed
»	Monitor type select color	JP8	Closed
	Monitor type select monochrome	JP8	Open
»	Factory configured - do not alter	JP11	N/A
»	Factory configured - do not alter	W1	N/A

DRAM CONFIGURATION
Size	Bank 0	Bank 1	Bank 2	Bank 3
2MB	NONE	NONE	(1) 256K x 36	(1) 256K x 36
2MB	NONE	NONE	NONE	(1) 512K x 36
4MB	NONE	NONE	NONE	(1) 1M x 36
4MB	(1) 256K x 36	(1) 256K x 36	(1) 256K x 36	(1) 256K x 36
4MB	(1) 256K x 36	(1) 256K x 36	NONE	(1) 512K x 36
4MB	NONE	(1) 512K x 36	NONE	(1) 512K x 36
5MB	NONE	NONE	(1) 1M x 36	(1) 256K x 36
6MB	NONE	(1) 256K x 36	(1) 256K x 36	(1) 256K x 36
6MB	NONE	(1) 1M x 36	NONE	(1) 512K x 36
8MB	NONE	NONE	(1) 1M x 36	(1) 1M x 36
8MB	NONE	NONE	NONE	(1) 2M x 36
10MB	(1) 1M x 36	(1) 1M x 36	(1) 256K x 36	(1) 256K x 36
10MB	(1) 1M x 36	(1) 1M x 36	NONE	(1) 512K x 36
10MB	NONE	(1) 2M x 36	NONE	(1) 512K x 36
12MB	NONE	(1) 2M x 36	NONE	(1) 1M x 36
16MB	NONE	NONE	NONE	(1) 4M x 36
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	NONE	(1) 2M x 36
16MB	NONE	(1) 2M x 36	NONE	(1) 2M x 36

DRAM CONFIGURATION (CON’T)
Size	Bank 0	Bank 1	Bank 2	Bank 3
17MB	NONE	NONE	(1) 4M x 36	(1) 256K x 36
20MB	NONE	NONE	(1) 4M x 36	(1) 1M x 36
32MB	NONE	NONE	(1) 4M x 36	(1) 4M x 36
32MB	NONE	NONE	NONE	(1) 8M x 36
64MB	NONE	NONE	NONE	(1) 16M x 36
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	NONE	(1) 8M x 36
64MB	NONE	(1) 8M x 36	NONE	(1) 8M x 36
128MB	NONE	NONE	(1) 16M x 36	(1) 16M x 36
128MB	NONE	NONE	NONE	(1) 32M x 36

CACHE CONFIGURATION
Size	Bank 0	TAG
128KB	(4) 32K x 8	(1) 8K x 8
256KB	(4) 64K x 8	(1) 16K x 8

CACHE JUMPER CONFIGURATION
Size	RNC1	RNC2	RNC3
128KB	Installed	Not installed	Not installed
256KB	Not installed	Installed	Not installed

CPU TYPE CONFIGURATION
Type	RNA1	RNA2	RNA3	RNA4	RNA5
80486SX	Not installed	Not installed	Installed	Not installed	Not installed
SL80486SX	Not installed	Not installed	Installed	Not installed	Not installed
80487SX	Not installed	Not installed	Not installed	Not installed	Installed
CX486DX	Installed	Not installed	Not installed	Not installed	Not installed
80486DX	Installed	Not installed	Not installed	Not installed	Not installed
AM486DXL	Installed	Not installed	Not installed	Not installed	Not installed
SL80486DX	Installed	Not installed	Not installed	Not installed	Not installed
ODP486SX	Not installed	Not installed	Not installed	Not installed	Installed
CX486DX2	Not installed	Installed	Not installed	Not installed	Not installed
80486DX2	Installed	Not installed	Not installed	Not installed	Not installed
SL80486DX2	Installed	Not installed	Not installed	Not installed	Not installed
P24C	Installed	Not installed	Not installed	Not installed	Not installed
P24D	Not installed	Installed	Not installed	Not installed	Not installed
P24CT	Not installed	Not installed	Not installed	Installed	Not installed
Pentium Overdrive	Not installed	Not installed	Not installed	Installed	Not installed

CPU TYPE CONFIGURATION (CON’T)
Type	RNB1	RNB2	RNB3	RNB4
80486SX	Installed	Not installed	Not installed	Not installed
SL80486SX	Not installed	Installed	Not installed	Not installed
80487SX	Installed	Not installed	Not installed	Not installed
CX486DX	Not installed	Not installed	Installed	Not installed
80486DX	Installed	Not installed	Not installed	Not installed
AM486DXL	Not installed	Not installed	Not installed	Installed
SL80486DX	Not installed	Installed	Not installed	Not installed
ODP486SX	Installed	Not installed	Not installed	Not installed
CX486DX2	Not installed	Not installed	Installed	Not installed
80486DX2	Installed	Not installed	Not installed	Not installed
SL80486DX2	Not installed	Installed	Not installed	Not installed
P24C	Not installed	Installed	Not installed	Not installed
P24D	Not installed	Installed	Not installed	Not installed
P24CT	Not installed	Installed	Not installed	Not installed
Pentium Overdrive	Not installed	Installed	Not installed	Not installed

CPU TYPE CONFIGURATION (CON’T)
Type	JP6	JP7	JP11
80486SX	Open	Open	pins 1 & 2 closed
SL80486SX	Open	Open	pins 1 & 2 closed
80487SX	Open	Open	pins 1 & 2 closed
CX486DX	Open	Open	pins 1 & 2 closed
80486DX	Open	Open	pins 1 & 2 closed
AM486DXL 2x	Open	Closed	pins 1 & 2 closed
AM486DXL 3x	Open	Open	pins 1 & 2 closed
SL80486Dx	Open	Open	pins 1 & 2 closed
ODP486SX	Open	Open	pins 1 & 2 closed
CX486DX2 2x	Closed	Open	pins 1 & 2 closed
CX486DX2	Closed	Open	pins 1 & 2 closed
CX486DX2 3x	Open	Open	pins 1 & 2 closed
CX486DX2 (3v)	Open	Open	pins 2 & 3 closed
CX486DX2 (3.3v)	Open	Open	pins 2 & 3 closed
80486DX2	Closed	Open	pins 1 & 2 closed
SL80486DX2	Open	Open	pins 1 & 2 closed
CX486DX4	Open	Open	pins 1 & 2 closed
P24C	Open	Open	pins 1 & 2 closed
AM486DXL (3.3v)	Open	Closed	pins 1 & 2 closed
P24C 2x	Closed	Open	pins 1 & 2 closed
P24C 3x	Open	Open	pins 1 & 2 closed
P24D	Open	Open	pins 1 & 2 closed
P24CT	Open	Open	pins 1 & 2 closed
Pentium Overdrive	Open	Open	pins 1 & 2 closed

CPU SPEED CONFIGURATION
Speed	RND1	RND2	RND3	RND4
25MHz	Installed	Not installed	Not installed	Not installed
33MHz	Not installed	Installed	Not installed	Not installed
40MHz	Not installed	Not installed	Installed	Not installed
50iMHz	Installed	Not installed	Not installed	Not installed
50MHz	Not installed	Not installed	Not installed	Installed
66iMHz	Not installed	Installed	Not installed	Not installed
75iMHz	Installed	Not installed	Not installed	Not installed
100iMHz	Not installed	Installed	Not installed	Not installed

CPU VOLTAGE CONFIGURATION
Voltage	JP9	JP10
3.145v - 3.6v	Open	Closed
4.0v	Closed	Open

DRQ/DACK CONFIGURATION
DRQ/DACK	JP4	JP5
DRQ1/DACK1	pins 1 & 2 closed	pins 1 & 4 closed
DRQ3/DACK3	pins 3 & 4 closed	pins 2 & 5 closed