MICROMODULE SYSTEMS, INC. GEMINI (REV. 2.0) Processor Pentium Processor Speed 120/133/150MHz Chip Set Pico Video Chip Set None Maximum Onboard Memory 256MB Maximum Video Memory None Cache 256KB BIOS IBM/SystemSoft/Phoenix Dimensions 330mm x 218mm I/O Options 32-bit PCI slots (3) NPU Options None [Image] CONNECTIONS Purpose Location 32-bit PCI slots PC1 – PC3 USER CONFIGURABLE SETTINGS Function Label Position Test/monitor header JP1 Unidentified Test/monitor header JP2 Unidentified Test/monitor header JP3 Unidentified Test/monitor header JP4 Unidentified Test/monitor header JP5 Unidentified Test/monitor header JP6 Unidentified » PCI voltage select 5v JP7 Pins 1 & 2 closed PCI voltage select 3v JP7 Pins 2 & 3 closed Test/monitor header JP9 Unidentified Test/monitor header JP13 Unidentified » Factory configured - do not JP17 Unidentified alter » Factory configured - do not JP18 Unidentified alter » Speaker enabled JP21 Closed Speaker disabled JP21 Open » CMOS memory normal operation JP22 Open CMOS memory clear JP22 Closed » VPP power disabled JP23 Open VPP power enabled JP23 Closed » ROM write disabled JP24 Open ROM write enabled JP24 Closed » Data rate select pin 6 JP27 Open Data rate select pin 6 & 27 JP27 Closed Test/monitor header JP28 Unidentified » H8 clock select PLL clock JP29 Pins 1 & 2 closed generator H8 clock select crystal JP29 Pins 2 & 3 closed oscillator Test/monitor header JP501 Unidentified Test/monitor header JP502 Unidentified Note: The location of the test/monitor headers is unidentified. SIMM CONFIGURATION Size Bank 0 Bank 1 8MB (2) 1M x 36 None 16MB (2) 2M x 36 None 16MB (2) 1M x 36 (2) 1M x 36 24MB (2) 2M x 36 (2) 1M x 36 32MB (2) 4M x 36 None 32MB (2) 2M x 36 (2) 2M x 36 40MB (2) 4M x 36 (2) 1M x 36 48MB (2) 4M x 36 (2) 2M x 36 64MB (2) 8M x 36 None 64MB (2) 4M x 36 (2) 4M x 36 72MB (2) 8M x 36 (2) 1M x 36 SIMM CONFIGURATION (CON’T) Size Bank 0 Bank 1 80MB (2) 8M x 36 (2) 2M x 36 96MB (2) 8M x 36 (2) 4M x 36 128MB (2) 8M x 36 (2) 8M x 36 128MB (2) 16M x 36 None 136MB (2) 16M x 36 (2) 1M x 36 144MB (2) 16M x 36 (2) 2M x 36 160MB (2) 16M x 36 (2) 4M x 36 192MB (2) 16M x 36 (2) 8M x 36 256MB (2) 16M x 36 (2) 16M x 36 SIMM MODULE POWER SELECTION Setting JP19 » Enabled Pins 1 & 2, 3 & 4, 5 & 6 closed Disabled Open SIMM POWER SUPPLY SELECTION Setting JP20 » Enabled Pins 1 & 2, 3 & 4, 5 & 6 closed Disabled Open CACHE CONFIGURATION Note: The location of the cache is unidentified. CPU SPEED SELECTION Speed JP10 JP11 JP12 32MHz Open Closed Closed 40MHz Open Open Closed 50MHz Closed Closed Open 60MHz Closed Open Closed 66MHz Open Closed Open 75MHz Closed Closed Closed 80MHz Closed Open Open CPU TYPE SELECTION Type JP8 P54C Pins 1 & 2 closed P55C Pins 2 & 3 closed SERIAL PORT 2 SELECTION Setting JP36/pins 1 & JP36/pins 3 & JP36/pins 5 & 2 4 6 Used as H8 Closed Closed Open » Used as IR Open Open Closed connector PCI REQ/INT SELECTION Setting JP34 JP35 » Normal operation Open Open Test mode Closed Closed CLOCK SKEW SELECTION Skew JP14 JP15 JP16 0 Pins 1 & 2 Pins 1 & 2 Pins 1 & 2 closed closed closed .55 Pins 1 & 2 Pins 1 & 2 Pins 2 & 3 closed closed closed 1.10 Pins 1 & 2 Pins 2 & 3 Pins 1 & 2 closed closed closed 1.65 Pins 1 & 2 Pins 2 & 3 Pins 2 & 3 closed closed closed -2.20 Pins 2 & 3 Pins 1 & 2 Pins 1 & 2 closed closed closed -1.65 Pins 2 & 3 Pins 1 & 2 Pins 2 & 3 closed closed closed -1.10 Pins 2 & 3 Pins 2 & 3 Pins 1 & 2 closed closed closed -.55 Pins 2 & 3 Pins 2 & 3 Pins 2 & 3 closed closed closed