M TECHNOLOGY, INC. R528 PENTIUM PCI/ISA Processor CX M1/Pentium Processor Speed 75/90/100/120/133/150/166/180/200MHz Chip Set Intel Video Chip Set None Maximum Onboard 512MB (EDO supported) Memory Maximum Video None Memory Cache 256/512KB BIOS Award Dimensions 330mm x 218mm I/O Options 32-bit PCI slots (3), floppy drive interface, green PC connector, IDE interfaces (2), SCSI connector, parallel port, PS/2 mouse interface, serial ports (2), cache slot, USB connectors (2), sound adapter connector NPU Options None [Image] CONNECTIONS Purpose Location Purpose Location Serial port 2 CN1 Reset switch J3 Serial port 1 CN2 PS/2 mouse interface J4 Floppy drive interface CN3 Green PC connector J5 Parallel port CN4 IDE interface LED J6 IDE interface 1 CN5 SCSI interface LED JP1 IDE interface 2 CN6 32-bit PCI slots PC1 - PC3 SCSI interface CN7 Cache slot SL1 Sound adapter CN8 USB connector 1 USB1 connector Power LED & keylock J1 USB connector 2 USB2 Speaker J2 Note: CN7 & CN8 are optional and may not be present on all boards. USER CONFIGURABLE SETTINGS Function Label Position » PS/2 mouse enabled JP29 Pins 1 & 2 closed PS/2 mouse disabled JP29 Pins 2 & 3 closed » CMOS memory normal operation JP38 Pins 1 & 2 closed CMOS memory clear JP38 Pins 2 & 3 closed DRAM CONFIGURATION Size Bank 0 Bank 1 4MB (2) 512K x 36 None 4MB (2) 256K x 36 (2) 256K x 36 6MB (2) 512K x 36 (2) 256K x 36 6MB (2) 256K x 36 (2) 512K x 36 8MB (2) 1M x 36 None 8MB (2) 512K x 36 (2) 512K x 36 10MB (2) 1M x 36 (2) 256K x 36 12MB (2) 512K x 36 (2) 1M x 36 16MB (2) 2M x 36 None 16MB (2) 1M x 36 (2) 1M x 36 18MB (2) 2M x 36 (2) 256K x 36 20MB (2) 512K x 36 (2) 2M x 36 24MB (2) 1M x 36 (2) 2M x 36 32MB (2) 4M x 36 None 32MB (2) 2M x 36 (2) 2M x 36 DRAM CONFIGURATION (CON’T) Size Bank 0 Bank 1 34MB (2) 256K x 36 (2) 4M x 36 36MB (2) 4M x 36 (2) 512K x 36 40MB (2) 1M x 36 (2) 4M 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 66MB (2) 256K x 36 (2) 8M x 36 68MB (2) 8M x 36 (2) 512K x 36 72MB (2) 1M x 36 (2) 8M x 36 80MB (2) 8M x 36 (2) 2M x 36 96MB (2) 4M x 36 (2) 8M x 36 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) 16M x 36 (2) 16M x 36 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. Banks 0 & 1 are interchangeable. CACHE CONFIGURATION Size Bank 0 TAG SL1 256KB (2) 32K x 32 (1) 32K x 8 Not installed 512KB (2) 32K x 32 (1) 32K x 8 256KB module installed CPU SPEED SELECTION (CYRIX) CPU Clock Multiplier JP16 JP17 JP18 JP42 JP43 JP44 speed speed 120MHz 50MHz 2x Open Closed Open Open Closed Open 133MHz 55MHz 2x Closed Closed Closed Open Closed Open 150MHz 60MHz 2x Closed Open Open Open Closed Closed 166MHz 66MHz 2x Open Open Open Open Closed Open CPU SPEED SELECTION (INTEL) CPU Clock Multiplier JP16 JP17 JP18 JP42 JP43 JP44 speed speed 75MHz 50MHz 1.5x Open Closed Open Open Open Open 90MHz 60MHz 1.5x Closed Open Open Open Open Closed 100MHz 66MHz 1.5x Open Open Open Open Open Open 120MHz 60MHz 2x Closed Open Open Open Closed Closed 133MHz 66MHz 2x Open Open Open Open Closed Open 150MHz 60MHz 2.5x Closed Open Open Closed Closed Closed 166MHz 66MHz 2.5x Open Open Open Closed Closed Open 180MHz 60MHz 3x Closed Open Open Closed Open Closed 200MHz 66MHz 3x Open Open Open Closed Open Open CPU VOLTAGE SELECTION CPU type Voltage 1 Voltage 2 JP40 JP45 JP46 P54C/CX M1 3.3v N/A 1 & 2, 3 Closed Open & 4, 5 & 6 P54C/CX M1 3.45v N/A 1 & 2, 3 Open Closed & 4, 5 & 6 P54C/CX M1 3.5v N/A 1 & 2, 3 Open Open & 4, 5 & 6 P55C 3.3v 2.5v Open Closed Open P55C 3.45v 2.7v Open Open Closed P55C 3.5v 2.8v Open Open Open Note: Pins designated should be in the closed position. CPU VOLTAGE SELECTION (CON’T) CPU type Voltage Voltage JP47 JP48 JP49 JP50 1 2 P54C/CX 3.3v N/A Open N/A N/A N/A M1 P54C/CX 3.45v N/A Open N/A N/A N/A M1 P54C/CX 3.5v N/A Closed N/A N/A N/A M1 P55C 3.3v 2.5v Open Closed Open Open P55C 3.45v 2.7v Open Open Closed Open P55C 3.5v 2.8v Closed Open Open Closed FLASH BIOS SELECTION Setting JP36 JP37 Flash mode Pins 1 & 2 closed Pins 1 & 2 closed +5v flash BIOS Pins 2 & 3 closed Pins 1 & 2 closed +12v flash BIOS Pins 2 & 3 closed Pins 2 & 3 closed