GEMLIGHT COMPUTER, LTD. GMB-P56SPC (VER. 1.10) Device Type Mainboard Processor CX 6X86/AM K5/ Pentium/Pentium MMX Processor Speed 75/90/100/110/120/133/150/166/180/200MHz Chip Set SIS 5596 Video Chip Set Unidentified Maximum Onboard 512MB (EDO & SDRAM supported) Memory Maximum Video Unidentified Memory Cache 256KB BIOS Award/AMI Dimensions 220mm x 270mm I/O Options 32-bit PCI slots (4), floppy drive interface, game port, IDE interface, parallel port, PS/2 mouse port, serial ports (2), VGA connector [Image] CONNECTIONS Purpose Location Purpose Location Reset switch J1 IDE interface 2 J18 Suspend LED J2 Serial port 1 J19 Green PC connector J3 Serial port 2 J20 Speaker J4 VGA connector J21 IDE interface LED J5 Audio extension J22 card connector Power LED & keylock J6 Game port J23 IR connector J12 PS/2 mouse J28 interface Audio in - CD-ROM J13 AT power J29 (Mitsumi/Panasonic) connector Audio in - CD-ROM (Sony) J14 PS/2 mouse port J30 Floppy drive interface J15 IR connector J33 Parallel port J16 32-bit PCI slots PC1 - PC4 IDE interface 1 J17 USER CONFIGURABLE SETTINGS Function Label Position » CMOS memory normal operation JP0 Pins 1 & 2 closed CMOS memory clear JP0 Pins 2 & 3 closed » Flash BIOS voltage select 5v JP5 Pins 2 & 3 closed Flash BIOS voltage select 12v JP5 Pins 1 & 2 closed » Linear burst mode (Cyrix 6x86 JP7 Closed only) enabled Linear burst mode (Cyrix 6x86 JP7 Open only) disabled » Onboard sound enabled JP13 Closed Onboard sound disabled JP13 Open CACHE CONFIGURATION Size Bank 0 TAG RAM 256K (2) 32K x 32 8/16/32K x 8 DRAM CONFIGURATION Size Bank 0 Bank 1 8MB (2) 1MB x 36 None 16MB (2) 1MB x 36 (2) 1MB x 36 16MB (2) 2MB x 36 None 24MB (2) 2MB x 36 (2) 1MB x 36 32MB (2) 2MB x 36 (2) 2MB x 36 32MB (2) 4MB x 36 None 40MB (2) 4MB x 36 (2) 1MB x 36 48MB (2) 4MB x 36 (2) 2MB x 36 64MB (2) 4MB x 36 (2) 4MB x 36 64MB (2) 8MB x 36 None 72MB (2) 8MB x 36 (2) 1MB x 36 80MB (2) 8MB x 36 (2) 2MB x 36 96MB (2) 8MB x 36 (2) 4MB x 36 128MB (2) 8MB x 36 (2) 8MB x 36 128MB (2) 16MB x 36 None 136MB (2) 16MB x 36 (2) 1MB x 36 144MB (2) 16MB x 36 (2) 2MB x 36 160MB (2) 16MB x 36 (2) 4MB x 36 192MB (2) 16MB x 36 (2) 8MB x 36 256MB (2) 16MB x 36 (2) 16MB x 36 256MB (2) 32MB x 36 None 264MB (2) 32MB x 36 (2) 1MB x 36 272MB (2) 32MB x 36 (2) 2MB x 36 288MB (2) 32MB x 36 (2) 4MB x 36 320MB (2) 32MB x 36 (2) 8MB x 36 384MB (2) 32MB x 36 (2) 16MB x 36 512MB (2) 32MB x 36 (2) 32MB x 36 CPU SPEED SELECTION (INTEL) Speed Clock Multiplier JP2 JP3 S4 S5 S6 speed 75MHz 50MHz 1.5x 1 & 1 & Closed Closed Open 2 2 90MHz 60MHz 1.5x 1 & 1 & Closed Open Open 2 2 100MHz 66MHz 1.5x 1 & 1 & Open Closed Open 2 2 120MHz 60MHz 2x 1 & 2 & Closed Open Open 2 3 133MHz 66MHz 2x 1 & 2 & Open Closed Open 2 3 150MHz 60MHz 2.5x 2 & 2 & Closed Open Open 3 3 166MHz 66MHz 2.5x 2 & 2 & Open Closed Open 3 3 180MHz 60MHz 3x 2 & 1 & Closed Open Open 3 2 200MHz 66MHz 3x 2 & 1 & Open Closed Open 3 2 Note: Designated pins are in the closed position. CPU SPEED SELECTION (INTEL MMX) Speed Clock Multiplier JP2 JP3 S4 S5 S6 speed 166MHz 66MHz 2.5x 2 & 2 & Open Closed Open 3 3 200MHz 66MHz 3x 2 & 1 & Open Closed Open 3 2 Note: Designated pins are in the closed position. CPU SPEED SELECTION (CX 6X86) Speed Clock Multiplier JP2 JP3 S4 S5 S6 speed 120MHz 60MHz 2x 1 & 2 & Closed Closed Open 2 3 133MHz 66MHz 2x 1 & 2 & Open Open Open 2 3 150MHz 60MHz 2.5x 1 & 2 & Closed Open Open 2 3 166MHz 66MHz 2.5x 1 & 2 & Open Closed Open 2 3 200MHz 66MHz 3x 1 & 2 & Open Open Closed 2 3 Note: Designated pins are in the closed position. CPU SPEED SELECTION (AM K5) Speed Clock Multiplier JP2 JP3 S4 S5 S6 speed 75MHz 50MHz 1.5x 1 & 1 & Closed Closed Open 2 2 90MHz 60MHz 1.5x 1 & 1 & Closed Open Open 2 2 100MHz 66MHz 1.5x 1 & 1 & Open Closed Open 2 2 120MHz 60MHz 2x 1 & 1 & Closed Open Open 2 2 133MHz 66MHz 2x 1 & 1 & Open Closed Open 2 2 150MHz 60MHz 2.5x 1 & 2 & Closed Open Open 2 3 166MHz 66MHz 2.5x 1 & 2 & Open Closed Open 2 3 [Image] AUDIO EXTENSION CARD CONNECTIONS Purpose Location Purpose Location Audio extension card CN1 Line in J3 connector Speaker out J1 Microphone J4 Line out J2 VGA connector J7 CPU VOLTAGE SELECTION (SINGLE) Voltage Q4 JP1 S1 S2 S3 3.4V 2 Transistors Closed Closed Closed Closed installed 3.5V 2 Transistors Open Closed Closed Closed installed 3.4V 1 Transistor Closed N/A N/A N/A installed 3.5V 1 Transistor Closed N/A N/A N/A installed CPU VOLTAGE SELECTION (DUAL) V (I/O) V Core Q4 JP1 S1 S2 S3 3.4V 2.8V 2 Transistors Closed Open Open Open installed