DIGITAL EQUIPMENT CORPORATION ALPHASERVER 300 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 [Image] 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 J3 Pins 2 & 3 interrupt request 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 J27 Open enabled External SCSI cable sensing J27 Closed disabled 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