SOLTEK COMPUTER, INC. SL-55A2, SL-55A5 Processor CX M1/AM K5/Pentium Processor Speed 75/90/100/120/133/150/166/180/200MHz Chip Set Intel Video Chip Set None Maximum Onboard 128MB (EDO supported) Memory Maximum Video None Memory Cache 256/512KB BIOS Award Dimensions 280mm x 220mm I/O Options 32-bit PCI slots (4), floppy drive interface, green PC connector, IDE interfaces (2), parallel port, PS/2 mouse port, serial ports (2), cache slot, IR connector, USB connectors (2), ATX power connector, soft on power connector NPU Options None [Image] CONNECTIONS Purpose Location Purpose Location ATX power connector ATX Speaker JC1 Serial port 2 CN1 Reset switch JC2 Parallel port CN2 Power LED & keylock JC3 PS/2 mouse port CN3 Turbo LED JC4 Serial port 1 CN4 Green PC connector JC5 Floppy drive interface CN5 Soft on power JP15 connector IDE interface 2 CN6 32-bit PCI slots PC1 - PC4 IDE interface 1 CN7 Cache slot SL1 IDE interface LED HD1 USB connector 1 USB1 IR connector IR1 USB connector 2 USB2 USER CONFIGURABLE SETTINGS Function Label Position » Factory configured - do not alter JP5 Closed » CMOS memory normal operation JP24 Open CMOS memory clear JP24 Closed » Monitor type select color JP25 Closed Monitor type select monochrome JP25 Open Note: The location of JP5 is unidentified. DRAM CONFIGURATION Size Bank 0 Bank 1 Bank 2 Bank 3 8MB None None (1) 1M x 64 None 8MB (2) 1M x 36 None None None 16MB None None (1) 2M x 64 None 16MB None None (1) 1M x 64 (1) 1M x 64 16MB (2) 2M x 36 None None None 16MB (2) 1M x 36 (2) 1M x 36 None None 24MB None None (1) 2M x 64 (1) 1M x 64 24MB (2) 1M x 36 (2) 2M x 36 None None 32MB None None (1) 4M x 64 None 32MB None None (1) 2M x 64 (1) 2M x 64 32MB (2) 4M x 36 None None None 32MB (2) 2M x 36 (2) 2M x 36 None None 40MB None None (1) 4M x 64 (1) 1M x 64 40MB (2) 4M x 36 (2) 1M x 36 None None 48MB None None (1) 4M x 64 (1) 2M x 64 48MB (2) 4M x 36 (2) 2M x 36 None None 64MB None None (1) 8M x 64 None 64MB None None (1) 4M x 64 (1) 4M x 64 64MB (2) 8M x 36 None None None 64MB (2) 4M x 36 (2) 4M x 36 None None DRAM CONFIGURATION (CON’T) Size Bank 0 Bank 1 Bank 2 Bank 3 72MB None None (1) 8M x 64 (1) 1M x 64 72MB (2) 8M x 36 (2) 1M x 36 None None 80MB None None (1) 8M x 64 (1) 2M x 64 80MB (2) 8M x 36 (2) 2M x 36 None None 96MB None None (1) 8M x 64 (1) 4M x 64 96MB (2) 8M x 36 (2) 4M x 36 None None 128MB None None (1) 8M x 64 (1) 8M x 64 128MB (2) 8M x 36 (2) 8M x 36 None None Note: Board accepts EDO memory. Banks are 0 & 1, 2 & 3 are interchangeable. CACHE CONFIGURATION Size Bank 0 SL1 TAG 256KB (2) 32K x 32 Not installed Unidentified 512KB (2) 32K x 32 256KB module Unidentified installed CACHE JUMPER CONFIGURATION Size JP10 256KB Pins 1 & 2 closed 512KB Pins 2 & 3 closed CPU SPEED SELECTION (CYRIX) CPU Clock Multiplier JP13 JP14 JP17 JP18 speed speed 120MHz 50MHz 2x Closed Open 1 & 2 1 & 2 133MHz 55MHz 2x Closed Open 2 & 3 1 & 2 150MHz 60MHz 2x Closed Open 1 & 2 2 & 3 166MHz 66MHz 2x Closed Open 2 & 3 2 & 3 Note: Pins designated should be in the closed position. CPU SPEED SELECTION (AMD) CPU Clock Multiplier JP13 JP14 JP17 JP18 speed speed 75MHz 50MHz 1.5x Open Open 1 & 2 1 & 2 90MHz 55MHz 1.5x Open Open 2 & 3 1 & 2 90MHz 60MHz 1.5x Open Open 1 & 2 2 & 3 100MHz 50MHz 1.5x Open Open 1 & 2 1 & 2 100MHz 55MHz 1.5x Open Open 2 & 3 1 & 2 100MHz 66MHz 1.5x Open Open 2 & 3 2 & 3 120MHz 60MHz 2x Open Open 1 & 2 2 & 3 133MHz 66MHz 2x Open Open 2 & 3 2 & 3 150MHz 60MHz 2x Closed Open 1 & 2 2 & 3 166MHz 66MHz 2x Closed Open 2 & 3 2 & 3 Note: Pins designated should be in the closed position. CPU SPEED SELECTION (INTEL) CPU Clock Multiplier JP13 JP14 JP17 JP18 speed speed 75MHz 50MHz 1.5x Open Open 1 & 2 1 & 2 90MHz 60MHz 1.5x Open Open 1 & 2 2 & 3 100MHz 66MHz 1.5x Open Open 2 & 3 2 & 3 120MHz 60MHz 2x Closed Open 1 & 2 2 & 3 133MHz 66MHz 2x Closed Open 2 & 3 2 & 3 150MHz 60MHz 2.5x Closed Closed 1 & 2 2 & 3 166MHz 66MHz 2.5x Closed Closed 2 & 3 2 & 3 180MHz 60MHz 3x Open Closed 1 & 2 2 & 3 200MHz 66MHz 3x Open Closed 2 & 3 2 & 3 Note: Pins designated should be in the closed position. CPU VOLTAGE SELECTION Voltage JP3 JP4 JP7 JP8 2.5v (dual 1 & 2 1 & 2 1 & 3, 2 & 1 & 3, 2 & voltage) 4 4 2.8v (dual 2 & 3 1 & 2 1 & 3, 2 & 1 & 3, 2 & voltage) 4 4 3.38v (single 1 & 2 2 & 3 3 & 5, 4 & 3 & 5, 4 & voltage) 6 6 3.52v (single 2 & 3 2 & 3 3 & 5, 4 & 3 & 5, 4 & voltage) 6 6 Note: Pins designated should be in the closed position.