M TECHNOLOGY, INC. R526 PENTIUM PCI/ISA Processor Pentium Processor Speed 75/90/100/120/133/150/166MHz Chip Set SIS Max. Onboard DRAM 512MB Cache 256/512/1024KB BIOS Award Dimensions 330mm 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) NPU Options None [Image] CONNECTIONS Purpose Location Purpose Location Serial port 2 CN1 Speaker J2 Serial port 1 CN2 Turbo switch J3 PS/2 mouse interface CN3 Turbo LED J4 Floppy drive interface CN4 Reset switch J5 IDE interface 2 CN5 Green PC connector J6 IDE interface 1 CN6 IDE interface LED 1 J7 Parallel port CN7 IDE interface LED 2 J8 Power LED & keylock J1 32-bit PCI slots PC1 - PC3 USER CONFIGURABLE SETTINGS Function Jumper Position » Pipeline disabled JP32 pins 1 & 2 closed Pipeline enabled (only if burst JP32 pins 2 & 3 cache is installed) 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 4MB (4) 1M x 9 NONE 4MB NONE (1) 1M x 36 16MB (4) 4M x 9 NONE 16MB NONE (1) 4M x 36 64MB (4) 16M x 9 NONE 64MB NONE (1) 16M x 36 Note: Bank 0 = SIMM 5, 6, 7 & 8. Bank 1 = SIMM 1 or 4. DRAM CONFIGURATION 2 Size Bank 0 Bank 1 Bank 2 2MB (2) 256K x 36 NONE NONE 10MB (2) 256K x 36 (2) 1M x 36 NONE 18MB (2) 256K x 36 (2) 2M x 36 NONE 24MB (2) 1M x 36 (2) 1M x 36 (8) 1M x 9 32MB (2) 2M x 36 (2) 1M x 36 (8) 1M x 9 34MB (2) 256K x 36 (2) 4M x 36 NONE 48MB (2) 1M x 36 (2) 1M x 36 (8) 4M x 9 48MB (2) 4M x 36 (2) 1M x 36 (8) 1M x 9 56MB (2) 2M x 36 (2) 1M x 36 (8) 4M x 9 66MB (2) 256K x 36 (2) 8M x 36 NONE 72MB (2) 4M x 36 (2) 1M x 36 (8) 4M x 9 80MB (2) 8M x 36 (2) 1M x 36 (8) 1M x 9 80MB (2) 1M x 36 (2) 8M x 36 (8) 1M x 9 88MB (2) 2M x 36 (2) 8M x 36 (8) 1M x 9 104MB (2) 8M x 36 (2) 1M x 36 (8) 4M x 9 104MB (2) 1M x 36 (2) 8M x 36 (8) 4M x 9 104MB (2) 4M x 36 (2) 8M x 36 (8) 1M x 9 112MB (2) 2M x 36 (2) 8M x 36 (8) 4M x 9 128MB (2) 4M x 36 (2) 8M x 36 (8) 4M x 9 136MB (2) 8M x 36 (2) 8M x 36 (8) 1M x 9 144MB (2) 1M x 36 (2) 1M x 36 (8) 16M x 9 DRAM CONFIGURATION 2 (CON’T) Size Bank 0 Bank 1 Bank 2 144MB (2) 16M x 36 (2) 1M x 36 (8) 1M x 9 144MB (2) 1M x 36 (2) 16M x 36 (8) 1M x 9 152MB (2) 2M x 36 (2) 1M x 36 (8) 16M x 9 152MB (2) 2M x 36 (2) 16M x 36 (8) 1M x 9 160MB (2) 8M x 36 (2) 8M x 36 (8) 4M x 9 168MB (2) 4M x 36 (2) 1M x 36 (8) 16M x 9 168MB (2) 16M x 36 (2) 1M x 36 (8) 4M x 9 168MB (2) 1M x 36 (2) 16M x 36 (8) 4M x 9 168MB (2) 4M x 36 (2) 16M x 36 (8) 1M x 9 176MB (2) 2M x 36 (2) 16M x 36 (8) 4M x 9 192MB (2) 4M x 36 (2) 16M x 36 (8) 4M x 9 200MB (2) 8M x 36 (2) 1M x 36 (8) 16M x 9 200MB (2) 1M x 36 (2) 8M x 36 (8) 16M x 9 200MB (2) 8M x 36 (2) 16M x 36 (8) 1M x 9 200MB (2) 16M x 36 (2) 8M x 36 (8) 1M x 9 208MB (2) 2M x 36 (2) 8M x 36 (8) 16M x 9 224MB (2) 4M x 36 (2) 8M x 36 (8) 16M x 9 224MB (2) 8M x 36 (2) 16M x 36 (8) 4M x 9 224MB (2) 16M x 36 (2) 8M x 36 (8) 4M x 9 256MB (2) 8M x 36 (2) 8M x 36 (8) 16M x 9 264MB (2) 16M x 36 (2) 1M x 36 (8) 16M x 9 264MB (2) 1M x 36 (2) 16M x 36 (8) 16M x 9 264MB (2) 16M x 36 (2) 16M x 36 (8) 1M x 9 272MB (2) 2M x 36 (2) 16M x 36 (8) 16M x 9 272MB (2) 32M x 36 (2) 1M x 36 (8) 1M x 9 272MB (2) 1M x 36 (2) 32M x 36 (8) 1M x 9 280MB (2) 2M x 36 (2) 32M x 36 (8) 1M x 9 288MB (2) 4M x 36 (2) 16M x 36 (8) 16M x 9 296MB (2) 32M x 36 (2) 1M x 36 (8) 4M x 9 296MB (2) 1M x 36 (2) 32M x 36 (8) 4M x 9 296MB (2) 4M x 36 (2) 32M x 36 (8) 1M x 9 304MB (2) 2M x 36 (2) 32M x 36 (8) 4M x 9 320MB (2) 8M x 36 (2) 16M x 36 (8) 16M x 9 320MB (2) 16M x 36 (2) 8M x 36 (8) 16M x 9 320MB (2) 4M x 36 (2) 32M x 36 (8) 4M x 9 328MB (2) 8M x 36 (2) 32M x 36 (8) 1M x 9 328MB (2) 32M x 36 (2) 8M x 36 (8) 1M x 9 352MB (2) 8M x 36 (2) 32M x 36 (8) 4M x 9 384MB (2) 16M x 36 (2) 16M x 36 (8) 16M x 9 392MB (2) 32M x 36 (2) 1M x 36 (8) 16M x 9 392MB (2) 1M x 36 (2) 32M x 36 (8) 16M x 9 392MB (2) 16M x 36 (2) 32M x 36 (8) 1M x 9 392MB (2) 32M x 36 (2) 16M x 36 (8) 1M x 9 400MB (2) 2M x 36 (2) 32M x 36 (8) 16M x 9 416MB (2) 4M x 36 (2) 32M x 36 (8) 16M x 9 DRAM CONFIGURATION 2 (CON’T) Size Bank 0 Bank 1 Bank 2 416MB (2) 16M x 36 (2) 32M x 36 (8) 4M x 9 416MB (2) 32M x 36 (2) 16M x 36 (8) 4M x 9 448MB (2) 8M x 36 (2) 32M x 36 (8) 16M x 9 448MB (2) 32M x 36 (2) 8M x 36 (8) 16M x 9 512MB (2) 16M x 36 (2) 32M x 36 (8) 16M x 9 512MB (2) 32M x 36 (2) 16M x 36 (8) 16M x 9 Note: Bank 0 = SIMM 1 & 2. Bank 1 = SIMM 3 & 4. Bank 2 = SIMM 5 - 12. DRAM CONFIGURATION 3 Size Bank 0 Bank 1 8MB (4) 1M x 9 (1) 1M x 36 20MB (4) 4M x 9 (1) 1M x 36 68MB (4) 16M x 9 (1) 1M x 36 Note: Bank 0 = SIMM 5 - 8. Bank 1 = SIMM 2. DRAM CONFIGURATION 4 Size Bank 0 Bank 1 8MB (4) 1M x 9 (1) 1M x 36 20MB (4) 4M x 9 (1) 1M x 36 68MB (4) 16M x 9 (1) 1M x 36 Note: Bank 0 = SIMM 9 - 12. Bank 1 = SIMM 1. DRAM JUMPER CONFIGURATION Configuration JP4 1 pins 1 & 2 closed 2 pins 1 & 2 closed 3 pins 2 & 3 closed 4 pins 2 & 3 closed 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 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 DMA CONFIGURATION » DMA JP13 JP14 DMA 1 pins 2 & 3 closed pins 2 & 3 closed » DMA 3 pins 1 & 2 closed pins 1 & 2 closed 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.