M TECHNOLOGY, INC. R527 PENTIUM PCI/ISA Processor CX 6X86/Pentium Processor Speed 75/90/100/120/133/150/166MHz Chip Set SIS Max. Onboard DRAM 512MB Cache 256/512/1024KB BIOS Award Dimensions 280mm x 220mm I/O Options 32-bit PCI slots (3), floppy drive interface, green PC connector, IDE interfaces (2), parallel port, PS/2 mouse interface, serial ports (2), VGA feature connector, VGA interface NPU Options None [Image] CONNECTIONS Purpose Location Purpose Location Serial port 2 CN1 Power LED & keylock J2 Serial port 1 CN2 Speaker J3 Floppy drive interface CN3 Turbo switch J4 Parallel port CN4 Turbo LED J5 IDE interface 2 CN5 Reset switch J6 IDE interface 1 CN6 IDE interface LED 2 J7 VGA interface CN8 IDE interface LED 1 J9 VGA feature connector CN9 Green PC connector J8 PS/2 mouse interface J1 32-bit PCI slots PC1 - PC3 USER CONFIGURABLE SETTINGS Function Jumper Position » Pipeline enabled (only if burst JP32 pins 1 & 2 cache is installed) closed Pipeline disabled JP32 pins 2 & 3 closed » Cache type select write back JP33 pins 1 & 2 closed Cache type select write through JP33 pins 2 & 3 closed » CMOS memory normal operation JP36 pins 1 & 2 closed CMOS memory clear JP36 pins 2 & 3 closed Monitor type select CGA JP45 Closed Monitor type select JP45 Open EGA/VGA/monochrome » Flash BIOS mode select normal JP55 pins 2 & 3 operation closed Flash BIOS mode select programming JP55 pins 1 & 2 mode closed DRAM CONFIGURATION 1 Size Bank 0 Bank 1 1MB NONE (1) 256K x 36 1MB (1) 256K x 36 NONE 2MB NONE (1) 512K x 36 2MB (1) 512K x 36 NONE 4MB NONE (1) 1M x 36 4MB (1) 1M x 36 NONE 8MB NONE (1) 2M x 36 8MB (1) 2M x 36 NONE 16MB NONE (1) 4M x 36 16MB (1) 4M x 36 NONE 32MB NONE (1) 8M x 36 32MB (1) 8M x 36 NONE 64MB NONE (1) 16M x 36 64MB (1) 16M x 36 NONE 128MB NONE (1) 32M x 36 128MB (1) 32M x 36 NONE DRAM CONFIGURATION 2 Size Banks 0 & 1 Banks 2 & 3 8MB (2) 1M x 36 NONE 10MB (2) 1M x 36 (2) 256K x 36 12MB (2) 1M x 36 (2) 512K x 36 16MB (2) 2M x 36 NONE 16MB (2) 1M x 36 (2) 1M x 36 24MB (2) 2M x 36 (2) 1M 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 40MB (2) 4M x 36 (2) 1M x 36 40MB (2) 1M x 36 (2) 4M x 36 48MB (2) 4M x 36 (2) 2M x 36 DRAM CONFIGURATION 2 (CON’T) Size Banks 0 & 1 Banks 2 & 3 48MB (2) 2M x 36 (2) 4M x 36 64MB (2) 8M x 36 NONE 64MB (2) 4M x 36 (2) 4M x 36 68MB (2) 8M x 36 (2) 512K x 36 72MB (2) 8M x 36 (2) 1M x 36 72MB (2) 1M x 36 (2) 8M x 36 80MB (2) 8M x 36 (2) 2M x 36 80MB (2) 2M x 36 (2) 8M x 36 96MB (2) 8M x 36 (2) 4M 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) 16M x 36 (2) 32M x 36 384MB (2) 32M x 36 (2) 16M x 36 512MB (2) 32M x 36 (2) 32M x 36 CACHE CONFIGURATION Size Bank 0 TAG U1 & U2 256KB (A) (8) 32K x 8 (1) 8K/16K/32K x 8 NONE 256KB (B) NONE (1) 8K/16K/32K x 8 (2) 32K x 32 512KB (8) 64K x 8 (1) 16K/32K x 8 NONE 1MB (8) 128K x 8 (1) 32K x 8 NONE Note: Board can be installed with either standard or burst cache. Both types cannot be present. CACHE JUMPER CONFIGURATION Size JP5 JP6 256KB (A) pins 1 & 2 closed pins 1 & 2 closed 256KB (B) pins 1 & 2 closed pins 1 & 2 closed 512KB pins 2 & 3 closed pins 1 & 2 closed 1MB pins 2 & 3 closed pins 2 & 3 closed CACHE VOLTAGE CONFIGURATION Voltage JP2 JP3 3.3v/5v mixed pins 1 & 2 closed pins 1 & 2 closed 3.3v pins 2 & 3 closed pins 2 & 3 closed CPU TYPE CONFIGURATION Type JP8 Cyrix pins 1 & 2 closed Intel pins 2 & 3 closed Note: This setting only valid if burst cache is installed. CPU SPEED CONFIGURATION Speed Clock JP26 JP27 JP30 JP31 speed 75MHz 50MHz Closed Closed 1 & 2 1 & 2 90MHz 60MHz Closed Open 1 & 2 1 & 2 100MHz 66MHz Open Closed 1 & 2 1 & 2 120MHz 60MHz Closed Open 2 & 3 1 & 2 133MHz 66MHz Open Closed 2 & 3 1 & 2 150MHz 50MHz Closed Closed 1 & 2 2 & 3 150MHz 60MHz Closed Open 2 & 3 2 & 3 166MHz 66MHz Open Closed 2 & 3 2 & 3 Note: Pins designated should be in the closed position. CPU VOLTAGE CONFIGURATION Voltage JP38 JP39 JP40 3.3v Closed Open Open 3.45v - 3.6v Open Closed Open PS/2 MOUSE CONFIGURATION » Setting JP20 JP21 JP22 JP23 JP24 » Enabled 1 & 2 1 & 2 1 & 2 1 & 2 1 & 2 » Disabled 2 & 3 2 & 3 2 & 3 2 & 3 2 & 3 Note: Pins designated should be in the closed position.