AMERICAN MEGATRENDS, INC. PEGASUS Processor Pentium II Processor Speed 200/233/266/300MHz Chip Set Unidentified Video Chip Set None Maximum Onboard Memory 768MB (EDO supported) Maximum Video Memory None Cache 256/512KB (located on Pentium II 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), IR connector, VRM connector, USB connectors (2), CPU Slot 1 NPU Options None [Image] CONNECTIONS Purpose Location Purpose Location PS/2 mouse J1 Power LED & keylock J25 interface Serial port 2 J2 Reset switch J27 Serial port 1 J3 Turbo LED J28 Floppy drive J4 Green PC connector J30 interface Chassis fan power J5 IDE interface LED J31 CPU fan power J6 Speaker J32 Parallel port J8 Chassis fan power J33 IDE interface 2 J9 IR connector J34 IDE interface 1 J11 32-bit PCI slots PC1 – PC4 USB connector 2 J14 CPU Slot 1 SL1 USB connector 1 J15 VRM connector VRM Chassis door J23 intrusion connector USER CONFIGURABLE SETTINGS Function Label Position » Factory configured - do not J20 Unidentified alter » Factory configured - do not J24 Unidentified alter » Factory configured - do not J26 Unidentified alter » CMOS memory normal operation J29 Open CMOS memory clear J29 Closed DRAM CONFIGURATION Size Bank 0 Bank 1 Bank 2 8MB (2) 1M x 36 None None 16MB (2) 1M x 36 (2) 1M x 36 None 16MB (2) 2M x 36 None None 24MB (2) 2M x 36 (2) 1M x 36 None 24MB (2) 1M x 36 (2) 1M x 36 (2) 1M x 36 32MB (2) 4M x 36 None None 32MB (2) 2M x 36 (2) 2M x 36 None 40MB (2) 4M x 36 (2) 1M x 36 None 48MB (2) 4M x 36 (2) 2M x 36 None 48MB (2) 4M x 36 (2) 1M x 36 (2) 1M x 36 56MB (2) 4M x 36 (2) 2M x 36 (2) 1M x 36 64MB (2) 8M x 36 None None 64MB (2) 4M x 36 (2) 4M x 36 None 80MB (2) 8M x 36 (2) 2M x 36 None 80MB (2) 8M x 36 (2) 1M x 36 (2) 1M x 36 88MB (2) 8M x 36 (2) 2M x 36 (2) 1M x 36 96MB (2) 8M x 36 (2) 4M x 36 None 96MB (2) 4M x 36 (2) 4M x 36 (2) 4M x 36 96MB (2) 8M x 36 (2) 2M x 36 (2) 2M x 36 DRAM CONFIGURATION (CON’T) Size Bank 0 Bank 1 Bank 2 104MB (2) 8M x 36 (2) 4M x 36 (2) 1M x 36 112MB (2) 8M x 36 (2) 4M x 36 (2) 2M x 36 128MB (2) 8M x 36 (2) 4M x 36 (2) 4M x 36 128MB (2) 16M x 36 None None 128MB (2) 8M x 36 (2) 8M x 36 None 136MB (2) 8M x 36 (2) 8M x 36 (2) 1M x 36 136MB (2) 16M x 36 (2) 1M x 36 None 144MB (2) 16M x 36 (2) 2M x 36 None 144MB (2) 16M x 36 (2) 1M x 36 (2) 1M x 36 160MB (2) 16M x 36 (2) 4M x 36 None 160MB (2) 16M x 36 (2) 2M x 36 (2) 2M x 36 168MB (2) 16M x 36 (2) 4M x 36 (2) 1M x 36 176MB (2) 16M x 36 (2) 4M x 36 (2) 2M x 36 192MB (2) 16M x 36 (2) 8M x 36 None 192MB (2) 16M x 36 (2) 4M x 36 (2) 4M x 36 200MB (2) 16M x 36 (2) 8M x 36 (2) 1M x 36 208MB (2) 16M x 36 (2) 8M x 36 (2) 2M x 36 224MB (2) 16M x 36 (2) 8M x 36 (2) 4M x 36 256MB (2) 16M x 36 (2) 16M x 36 None 256MB (2) 16M x 36 (2) 8M x 36 (2) 8M x 36 256MB (2) 32M x 36 None None 264MB (2) 16M x 36 (2) 16M x 36 (2) 1M x 36 272MB (2) 16M x 36 (2) 16M x 36 (2) 2M x 36 288MB (2) 16M x 36 (2) 16M x 36 (2) 4M x 36 320MB (2) 16M x 36 (2) 16M x 36 (2) 8M x 36 384MB (2) 16M x 36 (2) 16M x 36 (2) 16M x 36 512MB (2) 32M x 36 (2) 32M x 36 None 520MB (2) 32M x 36 (2) 32M x 36 (2) 1M x 36 528MB (2) 32M x 36 (2) 32M x 36 (2) 2M x 36 544MB (2) 32M x 36 (2) 32M x 36 (2) 4M x 36 576MB (2) 32M x 36 (2) 32M x 36 (2) 8M x 36 640MB (2) 32M x 36 (2) 32M x 36 (2) 16M x 36 768MB (2) 32M x 36 (2) 32M x 36 (2) 32M x 36 Note: Board accepts EDO memory. Board also accepts x 32 SIMMs. Do not use 16M x 36 SIMMs that have more than 36 chips per SIMM. CACHE CONFIGURATION Note: 256KB/512KB cache is located on the Pentium II CPU. CPU SPEED SELECTION CPU speed Clock Multiplier J16 J17 J18 speed 200MHz 66MHz 3x Closed Open Closed 233MHz 66MHz 3.5x Closed Open Closed 266MHz 66MHz 4x Closed Open Closed 300MHz 66MHz 4.5x Closed Open Closed CPU SPEED SELECTION (CON’T) CPU speed Clock Multiplier J19 J21 J22 speed 200MHz 66MHz 3x Open 1 & 2 1 & 2, 5 & 6, 7 & 8 233MHz 66MHz 3.5x Open 1 & 2 5 & 6, 7 & 8 266MHz 66MHz 4x Open 1 & 2 1 & 2, 3 & 4, 7 & 8 300MHz 66MHz 4.5x Open 1 & 2 3 & 4, 7 & 8 Note: Pins designated should be in the closed position. CPU VOLTAGE SELECTION Voltage J12 1.8v Pins 1 & 6, 2 & 7, 4 & 9 closed 1.85v Pins 1 & 6, 2 & 7, 4 & 9, 5 & 10 closed 1.9v Pins 1 & 6, 2 & 7, 3 & 8 closed 1.95v Pins 1 & 6, 2 & 7, 3 & 8, 5 & 10 closed 2.0v Pins 1 & 6, 2 & 7, 3 & 8, 4 & 9 closed 2.05v Pins 1 & 6, 2 & 7, 3 & 8, 4 & 9, 5 & 10 closed 2.1v Pins 5 & 10 closed 2.2v Pins 4 & 9 closed 2.3v Pins 4 & 9, 5 & 10 closed 2.4v Pins 3 & 8 closed 2.5v Pins 3 & 8, 5 & 10 closed 2.6v Pins 3 & 8, 4 & 9 closed 2.7v Pins 3 & 8, 4 & 9, 5 & 10 closed » 2.8v Pins 2 & 7 closed 2.9v Pins 2 & 7, 5 & 10 closed 3.0v Pins 2 & 7, 4 & 9 closed 3.1v Pins 2 & 7, 4 & 9, 5 & 10 closed 3.2v Pins 2 & 7, 3 & 8 closed 3.3v Pins 2 & 7, 3 & 8, 5 & 10 closed 3.4v Pins 2 & 7, 3 & 8, 4 & 9 closed 3.5v Pins 2 & 7, 3 & 8, 4 & 9, 5 & 10 closed