SHUTTLE COMPUTER INTERNATIONAL, INC. HOT-623 Device Type Mainboard Processor Pentium II Processor Speed 233/266/300MHz Chip Set Intel Video Chip Set None Maximum Onboard Memory 1GB (EDO supported) Maximum Video Memory None Cache 256/512KB (located on Pentium II CPU) BIOS Award Dimensions 305mm x 240mm I/O Options 32-bit PCI slots (5), floppy drive interface, green PC connector, IDE interfaces (2), parallel port, PS/2 mouse port, serial ports (2), IR connector, USB connectors (2), ATX power connector NPU Options None [Image] CONNECTIONS Purpose Location Purpose Location ATX power connector ATX Speaker J11 Serial port 2 CN1 Power LED & keylock J12 Parallel port CN2 IDE interface LED JP21 PS/2 mouse port CN3 Green PC connector JP22 Serial port 1 CN4 Reset switch JP24 IDE interface 1 CN5 Chassis fan power JP25 IDE interface 2 CN6 IR connector JP29 Floppy drive interface CN7 Green PC LED JP36 USB connector 1 J6 32-bit PCI slots PC1 – PC5 USB connector 2 J7 USER CONFIGURABLE SETTINGS Function Label Position Flash BIOS voltage select 12v JP15 Pins 1 & 2 closed Flash BIOS voltage select 5v JP15 Pins 2 & 3 closed » Factory configured – do not JP34 Unidentified alter » CMOS memory normal operation JP42 Pins 1 & 2 closed CMOS memory clear JP42 Pins 2 & 3 closed SIMM CONFIGURATION Size Bank 0 Bank 1 Bank 2 Bank 3 8MB (2) 1M x 36 None None None 16MB (2) 2M x 36 None None None 16MB (2) 1M x 36 (2) 1M x 36 None None 24MB (2) 2M x 36 (2) 1M x 36 None None 24MB (2) 1M x 36 (2) 1M x 36 (2) 1M x 36 None 32MB (2) 4M x 36 None None None 32MB (2) 2M x 36 (2) 2M x 36 None None 32MB (2) 1M x 36 (2) 1M x 36 (2) 1M x 36 (2) 1M x 36 40MB (2) 4M x 36 (2) 1M x 36 None None 48MB (2) 4M x 36 (2) 2M x 36 None None 48MB (2) 2M x 36 (2) 2M x 36 (2) 2M x 36 None 64MB (2) 2M x 36 (2) 2M x 36 (2) 2M x 36 (2) 2M x 36 SIMM CONFIGURATION (CON’T) Size Bank 0 Bank 1 Bank 2 Bank 3 64MB (2) 8M x 36 None None None 64MB (2) 4M x 36 (2) 4M x 36 None None 72MB (2) 8M x 36 (2) 1M x 36 None None 80MB (2) 8M x 36 (2) 2M x 36 None None 96MB (2) 8M x 36 (2) 4M x 36 None None 96MB (2) 4M x 36 (2) 4M x 36 (2) 4M x 36 None 128MB (2) 16M x 36 None None None 128MB (2) 8M x 36 (2) 8M x 36 None None 128MB (2) 4M x 36 (2) 4M x 36 (2) 4M x 36 (2) 4M x 36 136MB (2) 16M x 36 (2) 1M x 36 None None 144MB (2) 16M x 36 (2) 2M x 36 None None 152MB (2) 16M x 36 (2) 1M x 36 (2) 1M x 36 (2) 1M x 36 160MB (2) 16M x 36 (2) 4M x 36 None None 176MB (2) 16M x 36 (2) 2M x 36 (2) 2M x 36 (2) 2M x 36 192MB (2) 16M x 36 (2) 8M x 36 None None 192MB (2) 8M x 36 (2) 8M x 36 (2) 8M x 36 None 224MB (2) 16M x 36 (2) 4M x 36 (2) 4M x 36 (2) 4M x 36 256MB (2) 32M x 36 None None None 256MB (2) 16M x 36 (2) 16M x 36 None None 256MB (2) 8M x 36 (2) 8M x 36 (2) 8M x 36 (2) 8M x 36 272MB (2) 16M x 36 (2) 16M x 36 (2) 1M x 36 (2) 1M x 36 280MB (2) 32M x 36 (2) 1M x 36 (2) 1M x 36 (2) 1M x 36 288MB (2) 16M x 36 (2) 16M x 36 (2) 2M x 36 (2) 2M x 36 304MB (2) 32M x 36 (2) 2M x 36 (2) 2M x 36 (2) 2M x 36 320MB (2) 16M x 36 (2) 16M x 36 (2) 4M x 36 (2) 4M x 36 320MB (2) 16M x 36 (2) 8M x 36 (2) 8M x 36 (2) 8M x 36 352MB (2) 32M x 36 (2) 4M x 36 (2) 4M x 36 (2) 4M x 36 384MB (2) 16M x 36 (2) 16M x 36 (2) 16M x 36 None 448MB (2) 32M x 36 (2) 8M x 36 (2) 8M x 36 (2) 8M x 36 512MB (2) 32M x 36 (2) 32M x 36 None None 512MB (2) 16M x 36 (2) 16M x 36 (2) 16M x 36 (2) 16M x 36 640MB (2) 32M x 36 (2) 16M x 36 (2) 16M x 36 (2) 16M x 36 768MB (2) 32M x 36 (2) 32M x 36 (2) 32M x 36 None 1024MB (2) 32M x 36 (2) 32M x 36 (2) 32M x 36 (2) 32M x 36 Note: Board accepts EDO memory. CACHE CONFIGURATION Note: 256KB/512KB cache is located on the Pentium II CPU. CPU SPEED SELECTION CPU Clock Multiplier JP4 JP5 JP6 JP7 JP8 JP9 speed speed 233MHz 66MHz 3.5x Open Open Closed Closed Open Closed 266MHz 66MHz 4x Closed Closed Open Closed Open Closed 300MHz 66MHz 4.5x Open Closed Open Closed Open Closed