ACER, INC. ACERALTOS 9000 PRO (M9B), M9B Device Type Mainboard Processor Pentium Pro Processor Speed 200MHz Chip Set Intel 440FX Video Chip Set ATI Maximum Onboard Memory 512MB (EDO supported) Maximum Video Memory 2MB Cache 256KB (located on Pentium Pro CPU) BIOS Acer Dimensions 305mm x 244mm I/O Options 32-bit PCI slots (5), green PC connector, floppy drive interface, IDE interface, SCSI interface, SCSI-2 interface, parallel port, PS/2 mouse port, serial ports (2), VGA port, CPU slot [Image] CONNECTIONS Purpose Location Purpose Location Parallel port C1 RDM connector CN6 VGA port C2 RDM connector CN7 PS/2 mouse port C3 Floppy drive CN8 interface Serial port 1 C4 Wide SCSI interface CN11 Serial port 2 C5 SCSI-2 interface CN12 Chassis fan power C6 LED board connector CN13 Chassis fan power C7 IDE interface LED CN14 Chassis fan power C8 Power LED & keylock CN15 3.3v power CN1 Speaker CN16 5v power CN2 32-bit PCI slots PC1 - PC5 Backplane status LED CN3 Green PC connector SW1 IDE interface CN5 CPU slot SL1 USER CONFIGURABLE SETTINGS Function Label Position Password enabled JP1 Pins 1 & 2 closed Password disabled JP1 Pins 2 & 3 closed BIOS type select Acer JP2 Pins 1 & 2 closed BIOS type select OEM JP2 Pins 2 & 3 closed Termination enabled JP3 Pins 1 & 2 closed Termination switchable through JP3 Pins 2 & 3 SCSI select utility closed » SCSI select standard JP4 Pins 2 & 3 closed SCSI select wide JP4 Pins 1 & 2 closed Front panel reset enabled JP5 Pins 1 & 2 closed Front panel reset disabled JP5 Pins 2 & 3 closed Buzzer enabled JP6 Pins 1 & 2 closed External speaker enabled JP6 Pins 2 & 3 closed SIMM CONFIGURATION Size Bank 0 Bank 1 Bank 2 Bank 3 32MB (2) 4M x 36 None None None 32MB (2) 2M x 36 (2) 2M x 36 None None 32MB (2) 1M x 36 (2) 1M x 36 (2) 1M x 36 (2) 1M x 36 48MB (2) 2M x 36 (2) 2M x 36 (2) 2M x 36 None 64MB (2) 2M x 36 (2) 2M x 36 (2) 2M x 36 (2) 2M x 36 64MB (2) 8M x 36 None None None 64MB (2) 4M x 36 (2) 4M x 36 None None 72MB (2) 8M x 36 (2) 1M x 36 None None 80MB (2) 8M x 36 (2) 2M x 36 None None 96MB (2) 8M x 36 (2) 4M x 36 None None SIMM CONFIGURATION (CON'T) Size Bank 0 Bank 1 Bank 2 Bank 3 96MB (2) 4M x 36 (2) 4M x 36 (2) 4M x 36 None 128MB (2) 16M x 36 None None None 128MB (2) 8M x 36 (2) 8M x 36 None None 128MB (2) 4M x 36 (2) 4M x 36 (2) 4M x 36 (2) 4M x 36 136MB (2) 16M x 36 (2) 1M x 36 None None 144MB (2) 16M x 36 (2) 2M x 36 None None 160MB (2) 16M x 36 (2) 4M x 36 None None 192MB (2) 16M x 36 (2) 8M x 36 None None 192MB (2) 8M x 36 (2) 8M x 36 (2) 8M x 36 None 224MB (2) 16M x 36 (2) 4M x 36 (2) 4M x 36 (2) 4M x 36 256MB (2) 16M x 36 (2) 16M x 36 None None 256MB (2) 8M x 36 (2) 8M x 36 (2) 8M x 36 (2) 8M x 36 272MB (2) 16M x 36 (2) 16M x 36 (2) 1M x 36 (2) 1M x 36 288MB (2) 16M x 36 (2) 16M x 36 (2) 2M x 36 (2) 2M x 36 320MB (2) 16M x 36 (2) 16M x 36 (2) 4M x 36 (2) 4M x 36 384MB (2) 16M x 36 (2) 16M x 36 (2) 16M x 36 None 512MB (2) 16M x 36 (2) 16M x 36 (2) 16M x 36 (2) 16M x 36 Note: Board accepts EDO memory. VIDEO MEMORY CONFIGURATION Size Bank 0 Bank 1 1MB (2) 256K x 16 None 2MB (2) 256K x 16 (2) 256K x 16 [Image] CONNECTIONS Purpose Location Purpose Location CPU fan power C1 VRM connector VRM1 CPU fan power C2 VRM connector VRM2 CACHE CONFIGURATION Note: 512KB cache is located on the Pentium Pro CPU. CPU SPEED SELECTION CPU Clock Multiplier CN1/ CN1/ CN1/ CN1/ J16 speed speed pins pins Pins pins 1 & 5 2 & 6 3 & 4 & 8 7 200MHz 66MHz 3x Closed Closed Open Closed 2 & 3 Note: Pins designated should be in the closed position. CPU 1 VOLTAGE SELECTION Voltage CN2/pins 1 & CN2/pins 2 & CN2/pins 3 & CN2/pins 4 & 5 6 7 8 2.1v Open Open Open Closed 2.2v Open Open Closed Open 2.3v Open Open Closed Closed 2.4v Open Closed Open Open 2.5v Open Closed Open Closed 2.6v Open Closed Closed Open 2.7v Open Closed Closed Closed 2.8v Closed Open Open Open 2.9v Closed Open Open Closed 3.0v Closed Open Closed Open 3.1v Closed Open Closed Closed 3.2v Closed Closed Open Open » 3.3v Closed Closed Open Closed 3.4v Closed Closed Closed Open 3.5v Closed Closed Closed Closed CPU 2 VOLTAGE SELECTION Voltage CN3/pins 1 & CN3/pins 2 & CN3/pins 3 & CN3/pins 4 & 5 6 7 8 2.1v Open Open Open Closed 2.2v Open Open Closed Open 2.3v Open Open Closed Closed 2.4v Open Closed Open Open 2.5v Open Closed Open Closed 2.6v Open Closed Closed Open 2.7v Open Closed Closed Closed 2.8v Closed Open Open Open 2.9v Closed Open Open Closed 3.0v Closed Open Closed Open 3.1v Closed Open Closed Closed 3.2v Closed Closed Open Open » 3.3v Closed Closed Open Closed 3.4v Closed Closed Closed Open 3.5v Closed Closed Closed Closed