ASPEN SYSTEMS, INC. DURANGO Processor Alpha Processor Speed 300/333/366/400/433MHz Chip Set Digital Video Chip Set None Maximum Onboard Memory 512MB Maximum Video Memory None Cache 1024KB BIOS Unidentified Dimensions 305mm x 244mm I/O Options 32-bit PCI slots (2), 64-bit PCI slots (2), floppy drive interface, IDE interfaces (2), parallel port, PS/2 mouse port, serial ports (2) NPU Options None [Image] CONNECTIONS Purpose Location Purpose Location Chassis fan power J2 Chassis fan power J22 Power connector J3 Speaker J23 Serial port 1 J4 Reset switch J24 Serial port 2 J4A Halt connector J25 IDE interface 2 J13 Power LED & keylock J27 IDE interface 1 J14 IDE interface LED J28 PS/2 mouse port J15 SROM test port J32 Parallel port J16 32-bit PCI slots PC1 & PC2 Floppy drive interface J18 64-bit PCI slots SL1 & SL2 Chassis fan power J21 USER CONFIGURABLE SETTINGS Function Label Position » Factory configured - do not alter J30 pins 9 & Open 10 » Factory configured - do not alter J30 pins 15 Open & 16 » Mini debugger disabled J30 pins 21 Open & 22 Mini debugger enabled J30 pins 21 Closed & 22 » Boot option select Windows NT ARC J30 pins 23 Open firmware loaded & 24 Boot option select fail safe boot J30 pins 23 Closed loaded & 24 » Jumper not used J30 pins 25 N/A & 26 » Flash BIOS update enabled J31 Pins 2 & 3 closed Flash BIOS update disabled J31 Pins 1 & 2 closed DRAM CONFIGURATION Size Bank 0 Bank 1 16MB (4) 1M x 36 None 32MB (A) (4) 1M x 36 (4) 1M x 36 32MB (B) (4) 2M x 36 None 64MB (A) (4) 2M x 36 (4) 2M x 36 64MB (B) (4) 4M x 36 None 128MB (A) (4) 4M x 36 (4) 4M x 36 128MB (B) (4) 8M x 36 None 256MB (A) (4) 8M x 36 (4) 8M x 36 256MB (B) (4) 16M x 36 None 512MB (B) (4) 16M x 36 (4) 16M x 36 DRAM JUMPER CONFIGURATION Size J1 16MB Closed 32MB (A) Open 32MB (B) Closed 64MB (A) Open 64MB (B) Closed 128MB (A) Open 128MB (B) Closed 256MB (A) Open 256MB (B) Closed 512MB (B) Open CACHE CONFIGURATION Note: Board can be installed with either 1MB or 2MB of cache. The size of the chips is unidentified. CACHE JUMPER CONFIGURATION Size J30 1MB Pins 11 & 12, 13 & 14 open 2MB Pins 11 & 12 open, 13 & 14 closed CACHE SPEED CONFIGURATION Speed J30 9ns Pins 17 & 18, 19 & 20 open CPU SPEED SELECTION Speed J30 300MHz Pins 3 & 4, 5 & 6 closed 333MHz Pins 3 & 4, 7 & 8 closed 366MHz Pins 3 & 4 closed 400MHz Pins 5 & 6, 7 & 8 closed 433MHz Pins 5 & 6 closed