P575/90 Motherboard Settings and Configuration

Processor	Pentium
Processor Speed	90/100MHz
Chip Set	Intel
Video Chip Set	None
Maximum Onboard Memory	128MB
Maximum Video Memory	None
Cache	256/512KB
BIOS	Phoenix
Dimensions	337mm x 122mm
I/O Options	Floppy drive interface, IDE interface, SCSI interface, parallel port, serial ports (2)
NPU Options	None

CONNECTIONS
Purpose	Location	Purpose	Location
SCSI interface	CN1	Serial port 1	CN6
IDE interface	CN2	Parallel port	CN7
Floppy drive interface	CN3	AT keyboard connector	CN8
Optional keyboard connector	CN4	Hard drive LED	JP15
Serial port 2	CN5

USER CONFIGURABLE SETTINGS
Function		Label	Position
»	Cache type select write back	JP1	Open
	Cache type select write through	JP1	Closed
»	Pipeline mode enabled	JP2	Closed
	Pipeline mode disabled	JP2	Open
»	Watchdog timer enabled	JP4	Pins 1 & 2 closed
	Watchdog timer disabled	JP4	Pins 2 & 3 closed
»	Factory configured - do not alter	JP5	Pins 2 & 3 closed
»	Factory configured - do not alter	JP6	Pins 2 & 3 closed
»	Factory configured - do not alter	JP7	Pins 2 & 3 closed
»	Factory configured - do not alter	JP8	Pins 2 & 3 closed
»	Cache type select burst	JP10	Pins 2 & 3 closed
	Cache type select standard	JP10	Pins 1 & 2 closed
»	SCSI speed select 40MHz	JP13	Pins 1 & 2 closed
	SCSI speed select 33MHz	JP13	Pins 2 & 3 closed
»	PS/2 IRQ 12 enabled	JP14	Pins 2 & 3 closed
	Next Step OS used	JP14	Pins 1 & 2 closed
»	Monitor type select color	SW1/1	On
	Monitor type select monochrome	SW1/1	Off
»	Flash BIOS enabled	SW1/2	Off
	Flash BIOS disabled	SW1/2	On
»	CMOS memory normal operation	SW1/3	Off
	CMOS memory clear	SW1/3	On
»	Factory configured - do not alter	SW1/4	Unidentified

DRAM CONFIGURATION
Size	Bank 0	Bank 1
8MB	(2) 1M x 36	None
16MB	(2) 2M x 36	None
16MB	(2) 1M x 36	(2) 1M x 36
24MB	(2) 2M x 36	(2) 1M x 36
32MB	(2) 4M x 36	None
32MB	(2) 2M x 36	(2) 2M x 36
40MB	(2) 4M x 36	(2) 1M x 36
48MB	(2) 4M x 36	(2) 2M x 36
64MB	(2) 8M x 36	None
64MB	(2) 4M x 36	(2) 4M x 36
72MB	(2) 8M x 36	(2) 1M x 36
96MB	(2) 8M x 36	(2) 4M x 36
128MB	(2) 8M x 36	(2) 8M x 36

CACHE CONFIGURATION

Note: The location of the cache is unidentified.

CACHE JUMPER CONFIGURATION
Size	JP9	JP11	JP12
None	N/A	Pins 1 & 2 closed	Pins 1 & 2 closed
256KB	Pins 1 & 2 closed	Pins 2 & 3 closed	Pins 1 & 2 closed
512KB	Pins 2 & 3 closed	Pins 2 & 3 closed	Pins 2 & 3 closed

CPU SPEED SELECTION
Speed	JP3
1/2	Closed
2/3	Open