ALPHASERVER 300 Motherboard Settings and Configuration

Device Type	Mainboard
Processor	Alpha
Processor Speed	266MHz
Chip Set	Unidentified
Maximum Onboard Memory	512MB
Cache	2MB
BIOS	Unidentified
Dimensions	254mm x 218mm
I/O Options	Floppy drive interface, SCSI interfaces (2), parallel port, PS/2 mouse port, serial ports (2), riser slot

CONNECTIONS
Purpose	Location	Purpose	Location
Service LED	CN1	Serial port	CN6
Service LED	CN2	PS/2 mouse port	CN7
SCSI interface	CN3	SCSI interface	CN8
Parallel port	CN4	Floppy drive interface	CN9
Serial port	CN5	Riser slot	SL1

USER CONFIGURABLE SETTINGS
Function		Label	Position
»	Console select main console	J1	Pins 2 & 3 closed
	Console select mini console	J1	Pins 1 & 2 closed
»	Boot up from flash BIOS	J2	Pins 2 & 3 closed
	Boot up from floppy	J2	Pins 1 & 2 closed
»	Reset switch select reset	J3	Pins 1 & 2 closed
	Reset switch select halt interrupt request	J3	Pins 2 & 3 closed
»	Flash BIOS write protect disabled	J4	Pins 1 & 2 closed
	Flash BIOS write protect enabled	J4	Pins 2 & 3 closed
»	Factory configured - do not alter	J21	Open
»	External SCSI cable sensing enabled	J27	Open
	External SCSI cable sensing disabled	J27	Closed

SIMM CONFIGURATION
Size	Bank 0	Bank 1
16MB	(4) 1M x 36	None
32MB	(4) 1M x 36	(4) 1M x 36
32MB	(4) 2M x 36	None
48MB	(4) 2M x 36	(4) 1M x 36
64MB	(4) 2M x 36	(4) 2M x 36
64MB	(4) 4M x 36	None
80MB	(4) 4M x 36	(4) 1M x 36
96MB	(4) 4M x 36	(4) 2M x 36
128MB	(4) 4M x 36	(4) 4M x 36
128MB	(4) 8M x 36	None
160MB	(4) 8M x 36	(4) 2M x 36
192MB	(4) 8M x 36	(4) 4M x 36
256MB	(4) 8M x 36	(4) 8M x 36
256MB	(4) 16M x 36	None
272MB	(4) 16M x 36	(4) 1M x 36
288MB	(4) 16M x 36	(4) 2M x 36
320MB	(4) 16M x 36	(4) 4M x 36
384MB	(4) 16M x 36	(4) 8M x 36
512MB	(4) 16M x 36	(4) 16M x 36

CACHE CONFIGURATION

Note: The location of the cache is unidentified.

CPU SPEED SELECTION
Speed	J7	J32
266Hz	Pins 1 & 2 closed	Pins 1 & 2 closed

I/O CHIP SELECTION
Type		J25	J26
»	87332	Closed	Closed
	87312	Open	Open