Device Type	Mainboard
Processor	Pentium
Processor Speed	75/90/100/120/133MHz
Chip Set	VLSI
Video Chip Set	None
Maximum Onboard Memory	512MB
Maximum Video Memory	None
Cache	256/512/1024KB
BIOS	Award
Dimensions	330mm x 220mm
I/O Options	32-bit PCI slots (4), floppy drive interface, IDE interfaces (2), parallel port, PS/2 mouse interface, serial ports (2), cache slot

CONNECTIONS
Purpose	Location	Purpose	Location
IDE interface 1	CN3	Turbo switch	J4
Floppy drive interface	CN4	Power LED & keylock	J5
Parallel port	CN5	IDE interface LED	J6
IDE interface 2	CN6	Disk active LED	J7
Serial port 2	CN7	PS/2 mouse interface	J11
Serial port 1	CN8	32-bit PCI slots	PC1 – PC4
Reset switch	J2	Cache slot	SL1
Speaker	J3	IR connector	J8

USER CONFIGURABLE SETTINGS
Function		Label	Position
»	Factory configured - do not alter	JP10	Off
»	Factory configured - do not alter	JP13	Pins 1 & 2 closed
»	Advanced programmable interrupt controller disabled	JP14	Pins 1 & 2 closed
	Advanced programmable interrupt controller enabled	JP14	Pins 2 & 3 closed
»	Factory configured - do not alter	JP16	Pins 1 & 2 closed
»	Monitor type select color	JP17	Closed
	Monitor type select monochrome	JP17	Open
»	PS/2 mouse IRQ12 enabled	JP18	Closed
	PS/2 mouse IRQ12 disabled	JP18	Open
»	Factory configured - do not alter	JP21	On
»	Factory configured - do not alter	JP22	On
»	Factory configured - do not alter	JP23	On
Note: The location of J8 is unidentified.

SIMM CONFIGURATION
Size	Bank 0	Bank 1	Bank 2	Bank 3
4MB	(2) 256KB x 36	(2) 256KB x 36	None	None
4MB	(2) 512KB x 36	None	None	None
6MB	(2) 256KB x 36	(2) 256KB x 36	(2) 256KB x 36	None
8MB	(2) 256KB x 36	(2) 256KB x 36	(2) 256KB x 36	(2) 256KB x 36
8MB	(2) 512KB x 36	(2) 512KB x 36	None	None
8MB	(2) 1MB x 36	None	None	None
12MB	(2) 512KB x 36	(2) 512KB x 36	(2) 512KB x 36
16MB	(2) 512KB x 36	(2) 512KB x 36	(2) 512KB x 36	(2) 512KB x 36
16MB	(2) 1MB x 36	(2) 1MB x 36	None	None
16MB	(2) 2MB x 36	None	None	None
24MB	(2) 1MB x 36	(2) 1MB x 36	(2) 1MB x 36	None
32MB	(2) 1MB x 36	(2) 1MB x 36	(2) 1MB x 36	(2) 1MB x 36
32MB	(2) 2MB x 36	(2) 2MB x 36	None	None
32MB	(2) 4MB x 36	None	None	None
48MB	(2) 2MB x 36	(2) 2MB x 36	(2) 2MB x 36	None
64MB	(2) 2MB x 36	(2) 2MB x 36	(2) 2MB x 36	(2) 2MB x 36
64MB	(2) 4MB x 36	(2) 4MB x 36	None	None
64MB	(2) 8MB x 36	None	None	None
96MB	(2) 4MB x 36	(2) 4MB x 36	(2) 4MB x 36	None
128MB	(2) 4MB x 36	(2) 4MB x 36	(2) 4MB x 36	(2) 4MB x 36
128MB	(2) 8MB x 36	(2) 8MB x 36	None	None
192MB	(2) 8MB x 36	(2) 8MB x 36	(2) 8MB x 36	None
256MB	(2) 8MB x 36	(2) 8MB x 36	(2) 8MB x 36	(2) 8MB x 36
512MB	(2) 16MB x 36	None	None	None

CACHE CONFIGURATION
Size	SL1	TAG
256KB	256KB module installed	Unidentified
512KB	512KB module installed	Unidentified
1MB	1MB module installed	Unidentified
Note: The location of the TAG is unidentified.

CACHE JUMPER CONFIGURATION
Size	JP6	JP7	JP8	JP19	JP20	TAG
256KB (A)	1 & 2	1 & 2	1 & 2	1 & 2	1 & 2	Not installed
512KB (A)	2 & 3	2 & 3	2 & 3	1 & 2	1 & 2	Not installed
512KB (B)	2 & 3	1 & 2	2 & 3	2 & 3	1 & 2	Installed
1MB (B)	2 & 3	1 & 2	2 & 3	2 & 3	2 & 3	Installed
Note: Pins designated should be in the closed position. (A) = 32-byte line size. (B) = 64-byte line size.

CPU SPEED SELECTION
CPU speed	Clock speed	Multiplier	J6	J11	J12
75MHz	50MHz	1.5x	1 & 2	2 & 3	2 & 3
90MHz	60MHz	1.5x	1 & 2, 5 & 6	2 & 3	2 & 3
100MHz	66MHz	1.5x	1 & 2, 3 & 4, 5 & 6	2 & 3	2 & 3
100MHz	50MHz	2x	1 & 2	1 & 2	1 & 2
120MHz	60MHz	2x	1 & 2, 5 & 6	1 & 2	1 & 2
133MHz	66MHz	2x	1 & 2, 3 & 4, 5 & 6	2 & 3	1 & 2
Note: Pins designated should be in the closed position.

CPU VOLTAGE SELECTION
Voltage	JP3
CPU voltage 3.45V-3.6V	Pins 1 & 2 closed
CPU voltage 3.3V-3.45V	Pins 2 & 3 closed

PCI MASTER/SLAVE
PCI	JP24	JP25
PCI slot 4 master	Pins 2 & 3 closed	Pins 2 & 3 closed
PCI slot 4 slave	Pins 1 & 2 closed	Pins 1 & 2 closed

PRINTER PORT DMA CHANNEL
Channel	JP26	JP27
1	Pins 1 & 2 closed	Pins 1 & 2 closed
3	Pins 2 & 3 closed	Pins 2 & 3 closed

CACHE MEMORY TYPE
Type	JP4	JP5
Asynchronous SRAM module	Pins 1 & 2 closed	Pins 1 & 2 closed
Pipeline burst SRAM module	Pins 2 & 3 closed	Pins 2 & 3 closed