GEMLIGHT COMPUTER, LTD. GMB-P57IAA (VER. 1.00) Processor CX 6X86/CX 6X86L/CX 6X86MX/AM K5/AM K6/Pentium Processor Speed 90/100/120/133/150/166/200/233/266MHz Chip Set Intel Video Chip Set ATI Maximum Onboard 256MB (EDO supported) Memory Maximum Video 4MB Memory Cache 256/512KB BIOS Award Dimensions 304mm x 245mm I/O Options 32-bit PCI slots (3), floppy drive interface, game/MIDI port, IDE interfaces (2), parallel port, PS/2 mouse port, serial ports (2), VGA port, USB connectors (2), ATX power connector, microphone in, line in, speaker out, AMC/VFC connector, TV out connector NPU Options None [Image] CONNECTIONS Purpose Location Purpose Location ATX power ATX Parallel port CN7 connector TV out connector C1 USB connector 1 CN8 AMC/VFC connector C2 USB connector 2 CN9 Game/MIDI port CN1 PS/2 mouse port CN10 Microphone in CN2 IDE interface 1 CN11 Line in CN3 IDE interface 2 CN12 Speaker out CN4 Floppy drive CN13 interface VGA port CN5 Serial port 2 CN14 Serial port 1 CN6 32-bit PCI slots PCI – PC3 USER CONFIGURABLE SETTINGS Function Label Position Flash BIOS voltage select 12v JP4 Pins 1 & 2 closed Flash BIOS voltage select 5v JP4 Pins 2 & 3 closed VGA IRQ enabled JP10 Pins 2 & 3 closed VGA IRQ disabled JP10 Pins 1 & 2 closed On board video enabled JP11 Pins 2 & 3 closed On board video disabled JP11 Pins 1 & 2 closed » Factory configured - do not alter JP15 Open Ring in select COM1 JP21 Pins 2 & 3 closed Ring in select COM2 JP21 Pins 1 & 2 closed On board audio enabled JP22 Closed On board audio disabled JP22 Open DRAM CONFIGURATION Size Bank 0 Bank 1 8MB (2) 1M x 32 None 16MB (2) 2M x 32 None 16MB (2) 1M x 32 (2) 1M x 32 24MB (2) 2M x 32 (2) 1M x 32 32MB (2) 4M x 32 None 32MB (2) 2M x 32 (2) 2M x 32 40MB (2) 4M x 32 (2) 1M x 32 48MB (2) 4M x 32 (2) 2M x 32 64MB (2) 8M x 32 None 64MB (2) 4M x 32 (2) 4M x 32 72MB (2) 8M x 32 (2) 1M x 32 80MB (2) 8M x 32 (2) 2M x 32 96MB (2) 8M x 32 (2) 4M x 32 128MB (2) 8M x 32 (2) 8M x 32 128MB (2) 16M x 32 None 136MB (2) 16M x 32 (2) 1M x 32 DRAM CONFIGURATION (CON’T) Size Bank 0 Bank 1 144MB (2) 16M x 32 (2) 2M x 32 160MB (2) 16M x 32 (2) 4M x 32 192MB (2) 16M x 32 (2) 8M x 32 256MB (2) 16M x 32 (2) 16M x 32 Note: Board accepts EDO memory. DIMM CONFIGURATION Size Bank 0 Bank 1 8MB (1) 1M x 64 None 16MB (1) 2M x 64 None 16MB (1) 1M x 64 (1) 1M x 64 24MB (1) 2M x 64 (1) 1M x 64 32MB (1) 4M x 64 None 32MB (1) 2M x 64 (1) 2M x 64 40MB (1) 4M x 64 (1) 1M x 64 48MB (1) 4M x 64 (1) 2M x 64 64MB (1) 8M x 64 None 64MB (1) 4M x 64 (1) 4M x 64 72MB (1) 8M x 64 (1) 1M x 64 80MB (1) 8M x 64 (1) 2M x 64 96MB (1) 8M x 64 (1) 4M x 64 128MB (1) 8M x 64 (1) 8M x 64 CACHE CONFIGURATION Size Bank 0 TAG 256KB (2) 32K x 32 Unidentified 512KB (2) 64K x 32 Unidentified VIDEO MEMORY CONFIGURATION Note: Board accepts 1MB/2MB/4MB video memory. The configuration is unidentified. CPU SPEED SELECTION (CX 6X86) CPU Clock Multiplier SW1/1 SW1/2 SW1/3 SW1/4 speed speed 133MHz 55MHz 2x Off On On Off 150MHz 60MHz 2x Off On On Off 166MHz 66MHz 2x Off On On On CPU SPEED SELECTION (CX 6X86, CON’T) CPU Clock Multiplier SW1/5 SW1/6 SW1/7 SW1/8 speed speed 133MHz 55MHz 2x Off On On Off 150MHz 60MHz 2x Off On Off Off 166MHz 66MHz 2x Off On Off Off CPU SPEED SELECTION (CX 6X86L/MX) CPU Clock Multiplier SW1/1 SW1/2 SW1/3 SW1/4 speed speed 166MHz 66MHz 2x Off On On Off 200MHz 75MHz 2x Off On On Off CPU SPEED SELECTION (CX 6X86L/MX, CON’T) CPU Clock Multiplier SW1/5 SW1/6 SW1/7 SW1/8 speed speed 166MHz 66MHz 2x Off Off Off Off 200MHz 75MHz 2x Off Off On Off CPU SPEED SELECTION (AM K5) CPU Clock Multiplier SW1/1 SW1/2 SW1/3 SW1/4 speed speed 90MHz 60MHz 1.5x Off On Off Off 100MHz 66MHz 1.5x Off On Off Off 120MHz 60MHz 1.5x Off On Off Off 133MHz 66MHz 2x Off On On Off 150MHz 60MHz 1.5x Off On Off Off 166MHz 66MHz 2.5x Off On On On CPU SPEED SELECTION (AM K5, CON’T) CPU Clock Multiplier SW1/5 SW1/6 SW1/7 SW1/8 speed speed 90MHz 60MHz 1.5x Off On Off Off 100MHz 66MHz 1.5x Off Off Off Off 120MHz 60MHz 1.5x Off On Off Off 133MHz 66MHz 2x Off Off Off Off 150MHz 60MHz 1.5x Off Off Off Off 166MHz 66MHz 2.5x Off Off Off Off CPU SPEED SELECTION (AM K6) CPU Clock Multiplier SW1/1 SW1/2 SW1/3 SW1/4 speed speed 166MHz 66MHz 2.5x Off On On On 200MHz 66MHz 3x Off On Off On 233MHz 66MHz 3.5x Off On Off Off CPU SPEED SELECTION (AM K6, CON’T) CPU Clock Multiplier SW1/5 SW1/6 SW1/7 SW1/8 speed speed 166MHz 66MHz 2.5x Off Off Off Off 200MHz 66MHz 3x Off Off Off Off 233MHz 66MHz 3.5x Off Off Off Off CPU SPEED SELECTION (INTEL) CPU Clock Multiplier SW1/1 SW1/2 SW1/3 SW1/4 speed speed 90MHz 60MHz 1.5x Off On Off Off 100MHz 66MHz 1.5x Off On Off Off 120MHz 60MHz 2x Off On On Off 133MHz 66MHz 2x Off On On Off 150MHz 60MHz 2.5x Off On On On 166MHz 66MHz 2.5x Off On On On 200MHz 66MHz 3x Off On Off On 233MHz 66MHz 3.5x Off On Off Off 266MHz 66MHz 3.5x Off On Off Off CPU SPEED SELECTION (INTEL, CON’T) CPU Clock Multiplier SW1/5 SW1/6 SW1/7 SW1/8 speed speed 90MHz 60MHz 1.5x Off On Off Off 100MHz 66MHz 1.5x Off Off Off Off 120MHz 60MHz 2x Off On Off Off 133MHz 66MHz 2x Off Off Off Off 150MHz 60MHz 2.5x Off On Off Off 166MHz 66MHz 2.5x Off Off Off Off 200MHz 66MHz 3x Off Off Off Off 233MHz 66MHz 3.5x Off Off Off Off 266MHz 66MHz 3.5x Off Off Off Off CPU VOLTAGE SELECTION (SINGLE) Voltage JP18 JP19 3.3v Open 1 & 2, 5 & 6, 7 & 8 3.5v Open 1 & 2, 3 & 4, 5 & 6, 7 & 8 Note: Pins designated should be in the closed position. CPU VOLTAGE SELECTION (DUAL) Voltage V core JP18 JP19 3.3v 2.8v 1 & 3, 2 & 4 7 & 8 3.3v 2.9v 1 & 3, 2 & 4 1 & 2, 7 & 8 3.3v 3.2v 1 & 3, 2 & 4 5 & 6, 7 & 8 Note: Pins designated should be in the closed position.