SOLTEK, INC. SL-61A Processor Pentium II Processor Speed 233/266MHz Chip Set Intel Video Chip Set None Maximum Onboard Memory 384MB (EDO supported) Maximum Video Memory None Cache 256/512KB (located on Pentium II CPU) BIOS Award Dimensions 330mm x 220mm I/O Options 32-bit PCI slots (4), floppy drive interface, green PC connector, IDE interfaces (2), parallel port, PS/2 mouse interface, serial ports (2), IR connector, USB connector, ATX power connector NPU Options None [Image] CONNECTIONS Purpose Location Purpose Location ATX power connector ATX IR connector J1B Serial port 2 CN1 Soft off power supply J1C Serial port 1 CN2 Green PC connector J1D Parallel port CN3 Speaker J2A Floppy drive interface CN4 Reset switch J2B IDE interface 1 CN5 Power LED & keylock J2C IDE interface 2 CN6 Turbo LED J2D PS/2 mouse interface CN7 32-bit PCI slots PC1 – PC4 Chassis fan power FAN USB connector USB IDE interface LED J1A USER CONFIGURABLE SETTINGS Function Label Position » Factory configured - do not alter JP2 Closed » Factory configured - do not alter JP6 Open » Factory configured - do not alter JP7 Closed » Factory configured - do not alter JP8 Open » CMOS memory normal operation JP9 Pins 1 & 2 closed CMOS memory clear JP9 Pins 2 & 3 closed » Power supply select AT JP11 Pins 1 & 2 closed Power supply select ATX JP11 Pins 2 & 3 closed Note: The location of the factory configured jumpers are unidentified. DIMM/ SIMM CONFIGURATION Size Bank 0 Bank 1 Bank 2 Bank 3 8MB (2) 1M x 36 None None None 8MB None None (1) 1M x 64 None 16MB (2) 2M x 36 None None None 16MB None None (1) 2M x 64 None 16MB (2) 1M x 36 (2) 1M x 36 None None 16MB (2) 1M x 36 None None (1) 1M x 64 16MB None None (1) 1M x 64 (1) 1M x 64 24MB None (2) 2M x 36 (1) 1M x 64 None 32MB (2) 4M x 36 None None None 32MB None None (1) 4M x 64 None 32MB (2) 2M x 36 None None (1) 2M x 64 32MB None (2) 2M x 36 (1) 2M x 64 None 40MB (2) 4M x 36 (2) 1M x 36 None None 40MB (2) 4M x 36 None None (1) 1M x 64 48MB (2) 2M x 36 None None (1) 4M x 64 48MB (2) 4M x 36 (2) 2M x 36 None None DIMM/SIMM CONFIGURATION (CON’T) Size Bank 0 Bank 1 Bank 2 Bank 3 48MB (2) 4M x 36 None None (1) 2M x 64 64MB (2) 8M x 36 None None None 64MB None None None (1) 8M x 64 64MB (2) 4M x 36 (2) 4M x 36 None None 64MB (2) 4M x 36 None None (1) 4M x 64 72MB (2) 8M x 36 (2) 1M x 36 None None 72MB (2) 8M x 36 None None (1) 1M x 64 80MB (2) 2M x 36 None None (1) 8M x 64 80MB (2) 8M x 36 (2) 2M x 36 None None 80MB (2) 8M x 36 None None (1) 2M x 64 96MB (2) 4M x 36 None None (1) 8M x 64 96MB (2) 8M x 36 (2) 4M x 36 None None 96MB (2) 8M x 36 None None (1) 4M x 64 128MB None None (1) 16M x 64 None 128MB (2) 16M x 36 None None None 128MB (2) 8M x 36 (2) 8M x 36 None None 128MB (2) 8M x 36 None None (1) 8M x 64 136MB None None (1) 16M x 64 (1) 1M x 64 136MB (2) 16M x 36 (2) 1M x 36 None None 144MB None None (1) 16M x 64 (1) 2M x 64 144MB (2) 16M x 36 (2) 2M x 36 None None 160MB None None (1) 16M x 64 (1) 4M x 64 160MB (2) 16M x 36 (2) 4M x 36 None None 192MB None None (1) 16M x 64 (1) 8M x 64 192MB (2) 16M x 36 (2) 8M x 36 None None 256MB None None (1) 16M x 64 (1) 16M x 64 256MB (2) 16M x 36 (2) 16M x 36 None None 288MB (2) 16M x 36 (2) 16M x 36 (1) 4M x 64 None 320MB (2) 16M x 36 (2) 16M x 36 (1) 8M x 64 None 384MB (2) 16M x 36 (2) 16M x 36 (1) 16M x 64 None Note: Board accepts EDO memory. DIMM VOLTAGE CONFIGURATION Voltage JP1 JP3 » 3.3v Open Pins 1 & 2, 3 & 4, 5 & 6 closed 5v Pins 1 & 2, 3 & 4, 5 Open & 6 closed CACHE CONFIGURATION Note: 256KB/512KB cache is located on the Pentium II CPU. CPU SPEED SELECTION CPU speed Clock Multiplier SW1/1 SW1/2 SW1/3 speed 233MHz 66MHz 3.5x On Off Off 266MHz 66MHz 4x On Off Off CPU SPEED SELECTION (CON’T) CPU speed Clock Multiplier SW1/4 SW1/5 SW1/6 speed 233MHz 66MHz 3.5x On Off Off 266MHz 66MHz 4x Off On On