AMERICAN MEGATRENDS, INC. MERLIN DP Processor Pentium Pro Processor Speed 150/166/180/200MHz Chip Set Intel Video Chip Set None Maximum Onboard Memory 512MB (EDO supported) Maximum Video Memory None Cache 256/512KB (located on Pentium Pro CPU) BIOS AMI Dimensions 330mm x 218mm I/O Options 32-bit PCI slots (4), floppy drive interface, green PC connector, IDE interfaces (2), parallel port, PS/2 mouse interface, serial ports (2), VRM connectors (2), USB connectors (2) NPU Options None [Image] CONNECTIONS Purpose Location Purpose Location Floppy drive interface J1 USB connector 2 J14 Parallel port J2 Green PC connector J29 Chassis fan power J3 Turbo LED J30 Chassis fan power J5 Reset switch J32 PS/2 mouse interface J7 IDE interface LED J34 Serial port 1 J8 Speaker J35 Serial port 2 J9 Power LED & keylock J36 IDE interface 2 J10 32-bit PCI slots PC1 - PC4 IDE interface 1 J12 VRM connector VRM USB connector 1 J13 VRM connector VRM USER CONFIGURABLE SETTINGS Function Label Position » Factory configured - do not J20 Unidentified alter PS/2 mouse IRQ12 enabled J23 Pins 1 & 2 closed PS/2 mouse IRQ12 disabled J23 Pins 2 & 3 closed » Factory configured - do not J31 Unidentified alter » Factory configured - do not J33 Unidentified alter 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) 2M x 36 (2) 4M 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 80MB (2) 2M x 36 (2) 8M x 36 96MB (2) 8M x 36 (2) 4M x 36 128MB (2) 16M x 36 None 128MB (2) 8M x 36 (2) 8M x 36 136MB (2) 16M x 36 (2) 1M x 36 144MB (2) 16M x 36 (2) 2M x 36 160MB (2) 16M x 36 (2) 4M x 36 192MB (2) 16M x 36 (2) 8M x 36 256MB (2) 32M x 36 None 256MB (2) 16M x 36 (2) 16M x 36 DRAM CONFIGURATION (CON'T) Size Bank 0 Bank 1 264MB (2) 32M x 36 (2) 1M x 36 272MB (2) 32M x 36 (2) 2M x 36 288MB (2) 32M x 36 (2) 4M x 36 320MB (2) 32M x 36 (2) 8M x 36 384MB (2) 32M x 36 (2) 16M x 36 512MB (2) 32M x 36 (2) 32M x 36 Note: Board accepts EDO memory. Board also accepts x 32 SIMMs. Banks are interchangeable. CACHE CONFIGURATION Note: 256KB/512KB cache is located on the Pentium Pro CPU. CPU SPEED SELECTION CPU Clock Multiplier J16 J17 J22 J26 speed speed 150MHz 60MHz 2.5x Open Closed 1 & 3 & 4, 2 5 & 6, 7 & 8 166MHz 66MHz 2.5x Closed Open 1 & 3 & 4, 2 5 & 6, 7 & 8 180MHz 60MHz 3x Open Closed 1 & 1 & 2, 2 5 & 6, 7 & 8 200MHz 66MHz 3x Closed Open 1 & 1 & 2, 2 5 & 6, 7 & 8 Note: Pins designated should be in the closed position. CPU VOLTAGE SELECTION Voltage J4 J6 None Open Open 2.1v Pins 7 & 8 closed Pins 7 & 8 closed 2.2v Pins 5 & 6 closed Pins 5 & 6 closed 2.3v Pins 5 & 6, 7 & 8 closed Pins 5 & 6, 7 & 8 closed 2.4v Pins 3 & 4 closed Pins 3 & 4 closed 2.5v Pins 3 & 4, 5 & 6 closed Pins 3 & 4, 5 & 6 closed 2.6v Pins 3 & 4, 5 & 6 closed Pins 3 & 4, 5 & 6 closed 2.7v Pins 3 & 4, 5 & 6, 7 & 8 Pins 3 & 4, 5 & 6, 7 & 8 closed closed 2.8v Pins 1 & 2 closed Pins 1 & 2 closed 2.9v Pins 1 & 2, 7 & 8 closed Pins 1 & 2, 7 & 8 closed 3.0v Pins 1 & 2, 5 & 6 closed Pins 1 & 2, 5 & 6 closed 3.1v Pins 1 & 2, 5 & 6, 7 & 8 Pins 1 & 2, 5 & 6, 7 & 8 closed closed 3.2v Pins 1 & 2, 3 & 4 closed Pins 1 & 2, 3 & 4 closed » 3.3v Pins 1 & 2, 3 & 4, 7 & 8 Pins 1 & 2, 3 & 4, 7 & 8 closed closed 3.4v Pins 1 & 2, 3 & 4, 5 & 6 Pins 1 & 2, 3 & 4, 5 & 6 closed closed 3.5v Pins 1 & 2, 3 & 4, 5 & Pins 1 & 2, 3 & 4, 5 & 6, 6, 7 & 8 closed 7 & 8 closed