AMERICAN MEGATRENDS, INC. MEGAPRO Processor Pentium Pro Processor Speed 133/150/166/180/200MHz Chip Set Unidentified 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 355mm x 304mm 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), VGA interface, IR connector, VRM connectors (2), USB connectors (2) NPU Options None [Image] CONNECTIONS Purpose Location Purpose Location CPU fan J2 PS/2 mouse interface P8 CPU fan J3 Floppy drive P10 interface Chassis door connector J12 IDE interface 1 P11 IDE interface LED J13 Parallel port P12 Speaker J16 IDE interface 2 P13 Chassis fan power J18 USB connector 1 P14 Green PC connector J21 USB connector 2 P15 Power LED & keylock J23 VGA connector P20 Turbo LED J26 32-bit PCI slots PC1 - PC4 Reset switch J28 VRM connector 1 VRM1 Serial port 1 P4 VRM connector 2 VRM2 Serial port 2 P5 USER CONFIGURABLE SETTINGS Function Label Position » Factory configured - do not alter J11 Open » Factory configured - do not alter J14 Pins 1 & 2 closed PS/2 mouse IRQ12 enabled J15 Pins 2 & 3 closed PS/2 mouse IRQ12 disabled J15 Pins 1 & 2 closed » On board PCI VGA enabled J19 Open On board PCI VGA disabled J19 Closed » PCI IRQ disabled J20 Closed PCI IRQ enabled J20 Open » Server management SMI disabled J22 Open Server management SMI enabled J22 Closed » External SMI disabled J25 Open External SMI enabled J25 Closed » Factory configured - do not alter J27 Open » CMOS memory normal operation J29 Open CMOS memory clear J29 Closed DRAM CONFIGURATION Size Bank 0 Bank 1 Bank 2 Bank 3 8MB (2) 1M x 36 None None None 16MB (2) 1M x 36 (2) 1M x 36 None None 16MB (2) 2M x 36 None None None 24MB (2) 1M x 36 (2) 1M x 36 (2) 1M x 36 None 24MB (2) 1M x 36 (2) 2M x 36 None None 24MB (2) 2M x 36 (2) 1M x 36 None None 32MB (2) 1M x 36 (2) 1M x 36 (2) 1M x 36 (2) 1M x 36 32MB (2) 2M x 36 (2) 1M x 36 (2) 1M x 36 None 32MB (2) 2M x 36 (2) 2M x 36 None None DRAM CONFIGURATION (CON'T) Size Bank 0 Bank 1 Bank 2 Bank 3 32MB (2) 4M x 36 None None None 40MB (2) 1M x 36 (2) 2M x 36 (2) 2M x 36 None 40MB (2) 1M x 36 (2) 4M x 36 None None 40MB (2) 2M x 36 (2) 1M x 36 (2) 1M x 36 (2) 1M x 36 40MB (2) 4M x 36 (2) 1M x 36 None None 48MB (2) 2M x 36 (2) 2M x 36 (2) 2M x 36 None 48MB (2) 2M x 36 (2) 4M x 36 None None 48MB (2) 4M x 36 (2) 1M x 36 (2) 1M x 36 None 56MB (2) 2M x 36 (2) 2M x 36 (2) 2M x 36 (2) 1M x 36 56MB (2) 4M x 36 (2) 1M x 36 (2) 1M x 36 (2) 1M x 36 64MB (2) 4M x 36 (2) 2M x 36 (2) 2M x 36 None 64MB (2) 4M x 36 (2) 4M x 36 None None 64MB (2) 8M x 36 None None None 72MB (2) 4M x 36 (2) 4M x 36 (2) 1M x 36 None 72MB (2) 8M x 36 (2) 1M x 36 None None 80MB (2) 2M x 36 (2) 8M x 36 None None 80MB (2) 4M x 36 (2) 2M x 36 (2) 2M x 36 (2) 2M x 36 80MB (2) 8M x 36 (2) 1M x 36 (2) 1M x 36 None 88MB (2) 8M x 36 (2) 1M x 36 (2) 1M x 36 (2) 1M x 36 96MB (2) 4M x 36 (2) 4M x 36 (2) 4M x 36 None 96MB (2) 4M x 36 (2) 8M x 36 None None 96MB (2) 8M x 36 (2) 2M x 36 (2) 2M x 36 None 112MB (2) 4M x 36 (2) 4M x 36 (2) 4M x 36 (2) 2M x 36 112MB (2) 8M x 36 (2) 2M x 36 (2) 2M x 36 (2) 2M x 36 128MB (2) 4M x 36 (2) 4M x 36 (2) 4M x 36 (2) 4M x 36 128MB (2) 8M x 36 (2) 4M x 36 (2) 4M x 36 None 128MB (2) 8M x 36 (2) 8M x 36 None None 128MB (2) 16M x 36 None None None 136MB (2) 16M x 36 (2) 1M x 36 None None 144MB (2) 16M x 36 (2) 2M x 36 None None 144MB (2) 16M x 36 (2) 1M x 36 (2) 1M x 36 None 152MB (2) 16M x 36 (2) 1M x 36 (2) 1M x 36 (2) 1M x 36 160MB (2) 16M x 36 (2) 4M x 36 None None 160MB (2) 8M x 36 (2) 4M x 36 (2) 4M x 36 (2) 4M x 36 160MB (2) 16M x 36 (2) 2M x 36 (2) 2M x 36 None 176MB (2) 16M x 36 (2) 2M x 36 (2) 2M x 36 (2) 2M x 36 192MB (2) 8M x 36 (2) 8M x 36 (2) 8M x 36 None 192MB (2) 16M x 36 (2) 4M x 36 (2) 4M x 36 None 192MB (2) 16M x 36 (2) 8M x 36 None None 200MB (2) 8M x 36 (2) 8M x 36 (2) 8M x 36 (2) 1M x 36 DRAM CONFIGURATION (CON'T) Size Bank 0 Bank 1 Bank 2 Bank 3 208MB (2) 8M x 36 (2) 8M x 36 (2) 8M x 36 (2) 2M x 36 224MB (2) 8M x 36 (2) 8M x 36 (2) 8M x 36 (2) 4M x 36 224MB (2) 16M x 36 (2) 4M x 36 (2) 4M x 36 (2) 4M x 36 256MB (2) 8M x 36 (2) 8M x 36 (2) 8M x 36 (2) 8M x 36 256MB (2) 16M x 36 (2) 8M x 36 (2) 8M x 36 None 256MB (2) 16M x 36 (2) 16M x 36 None None 264MB (2) 16M x 36 (2) 16M x 36 (2) 1M x 36 None 288MB (2) 16M x 36 (2) 16M x 36 (2) 4M x 36 None 320MB (2) 16M x 36 (2) 16M x 36 (2) 8M x 36 None 320MB (2) 16M x 36 (2) 8M x 36 (2) 8M x 36 (2) 8M x 36 384MB (2) 16M x 36 (2) 16M x 36 (2) 16M x 36 None 400MB (2) 16M x 36 (2) 16M x 36 (2) 16M x 36 (2) 2M x 36 416MB (2) 16M x 36 (2) 16M x 36 (2) 16M x 36 (2) 4M x 36 512MB (2) 16M x 36 (2) 16M x 36 (2) 16M x 36 (2) 16M x 36 Note: Board accepts EDO memory. CACHE CONFIGURATION Note: 256KB/512KB cache is located on the Pentium Pro CPU. CPU SPEED SELECTION CPU speed Clock Multiplier J7 J8 J9 speed 133MHz 66MHz 2x Open Closed Open 150MHz 60MHz 2.5x Closed Open Closed 166MHz 66MHz 2.5x Open Closed Open 180MHz 60MHz 3x Closed Open Closed 200MHz 66MHz 3x Open Closed Open CPU SPEED SELECTION CPU speed Clock Multiplier J10 J17 J24 speed 133MHz 66MHz 2x Closed 1 & 2, 3 & 1 & 2 4, 5 & 6, 7 & 8 150MHz 60MHz 2.5x Open 3 & 4, 5 & 1 & 2 6, 7 & 8 166MHz 66MHz 2.5x Closed 3 & 4, 5 & 1 & 2 6, 7 & 8 180MHz 60MHz 3x Open 1 & 2, 5 & 1 & 2 6, 7 & 8 200MHz 66MHz 3x Closed 1 & 2, 5 & 1 & 2 6, 7 & 8 Note: Pins designated should be in the closed position. CPU VOLTAGE SELECTION Voltage J4 J5 None Open Open 2.1v 7 & 8 7 & 8 2.2v 5 & 6 5 & 6 2.3v 5 & 6, 7 & 8 5 & 6, 7 & 8 2.4v 3 & 4 3 & 4 2.5v 3 & 4, 7 & 8 3 & 4, 7 & 8 2.6v 3 & 4, 5 & 6 3 & 4, 5 & 6 2.7v 3 & 4, 5 & 6, 7 & 8 3 & 4, 5 & 6, 7 & 8 2.8v 1 & 2 1 & 2 2.9v 1 & 2, 7 & 8 1 & 2, 7 & 8 3.0v 1 & 2, 5 & 6 1 & 2, 5 & 6 3.1v 1 & 2, 5 & 6, 7 & 8 1 & 2, 5 & 6, 7 & 8 3.2v 1 & 2, 3 & 4 1 & 2, 3 & 4 » 3.3v 1 & 2, 3 & 4, 7 & 8 1 & 2, 3 & 4, 7 & 8 3.4v 1 & 2, 3 & 4, 5 & 6 1 & 2, 3 & 4, 5 & 6 3.5v 1 & 2, 3 & 4, 5 & 6, 1 & 2, 3 & 4, 5 & 6, 7 & 8 7 & 8 Note: Pins designated should be in the closed position. 3.3V POWER SELECTION Setting J1 J6 From voltage regulator Open 1 & 2, 3 & 4, 5 & 6 From power supply 1 & 2, 3 & 4, 5 & 6 Open Note: Pins designated should be in the closed position.