SHUTTLE COMPUTER INTERNATIONAL, INC. HOT-541 (VER. 2.2) Processor CX M1/AM K5/Pentium Processor Speed 75/80/90/100/120/133/150/180MHz Chip Set Intel Maximum Onboard 128MB (EDO supported) Memory Cache 256/512KB BIOS AMI/Award Dimensions 280mm 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), VRM connector, cache slot, IR connector NPU Options None [Image] CONNECTIONS Function Label Function Label Serial port 1 CN1 Turbo LED JP14 Serial port 2 CN2 Green PC connector JP19 Parallel port CN3 IDE interface LED JP20 Floppy drive interface CN4 PS/2 mouse interface JP52 IDE interface 2 CN5 IR connector JP63 IDE interface 1 CN6 Green PC LED JP74 Speaker JP7 32-bit PCI slots PC1 - PC4 Power LED & keylock JP8 VRM connector VRM Reset switch JP12 Cache slot SL1 Turbo switch JP13 USER CONFIGURABLE SETTINGS Setting Label Position » Flash BIOS voltage select 5v JP9 Open Flash BIOS voltage select 12v JP9 Pins 2 & 3 closed » CMOS memory normal operation JP11 Open CMOS memory clear JP11 Closed » Monitor type select color JP71 Closed Monitor type select monochrome JP71 Open » Password normal operation JP72 Open Password clear JP72 Closed DRAM CONFIGURATION Size Bank 0 Bank 1 8MB (2) 1M x 36 None 8MB None (2) 1M x 36 16MB (2) 2M x 36 None 16MB None (2) 2M x 36 16MB (2) 1M x 36 (2) 1M x 36 24MB (2) 1M x 36 (2) 2M x 36 24MB (2) 2M x 36 (2) 1M x 36 32MB (2) 4M x 36 None 32MB None (2) 4M x 36 32MB (2) 2M x 36 (2) 2M x 36 40MB (2) 1M x 36 (2) 4M x 36 40MB (2) 4M x 36 (2) 1M x 36 48MB (2) 2M x 36 (2) 4M x 36 48MB (2) 4M x 36 (2) 2M x 36 64MB (2) 8M x 36 None 64MB None (2) 8M x 36 DRAM CONFIGURATION (CON’T) Size Bank 0 Bank 1 64MB (2) 4M x 36 (2) 4M x 36 72MB (2) 1M x 36 (2) 8M x 36 72MB (2) 8M x 36 (2) 1M x 36 80MB (2) 2M x 36 (2) 8M x 36 80MB (2) 8M x 36 (2) 2M x 36 96MB (2) 4M x 36 (2) 8M x 36 96MB (2) 8M x 36 (2) 4M x 36 128MB (2) 8M x 36 (2) 8M x 36 Note: Board accepts EDO memory. CACHE CONFIGURATION Size Bank 0 Bank 1 TAG SL1 256KB (A) None (8) 32K x 8 (1) 32K x 8 Not installed 256KB (B) None None None Installed 256KB (C) (2) 32K x None (1) 32K x 8 Not installed 32 512KB (A) None (8) 64K x 8 (1) 32K x 8 Not installed 512KB (B) (2) 32K x None None Installed 32 CACHE JUMPER CONFIGURATION Size JP4 JP64 256KB (A) Pins 2 & 3 closed N/A 256KB (B) Pins 2 & 3 closed Pins 2 & 3 closed 256KB (C) Pins 2 & 3 closed Pins 2 & 3 closed 512KB (A) Pins 1 & 2 closed N/A 512KB (B) Pins 1 & 2 closed Pins 1 & 2 closed CACHE VOLTAGE CONFIGURATION Setting JP78 Mixed mode Pins 1 & 2 closed 3.3v Pins 2 & 3 closed CPU SPEED SELECTION Setting JP15 JP16 JP79 75MHz Open Open Open 80MHz Open Closed Closed 90MHz Closed Closed Open 100MHz Closed Open Open 120MHz Closed Closed Open 133MHz Closed Open Open 150MHz Open Open Open 180MHz Closed Closed Open AT BUS CLOCK SPEED SELECTION System clock AT bus clock JP18 40MHz 5MHz Pins 2 & 3 closed 40MHz 6.67MHz Pins 1 & 2 closed 50MHz 6.25MHz Pins 2 & 3 closed 50MHz 8.33MHz Pins 1 & 2 closed 60MHz 7.5MHz Pins 2 & 3 closed 60MHz 10MHz Pins 1 & 2 closed 66MHz 8.25MHz Pins 2 & 3 closed 66MHz 11MHz Pins 1 & 2 closed CPU MULTIPLIER SELECTION Setting JP3 JP58 1.5x Open Open 2x Closed Open 2.5x Closed Closed 3x Open Closed Note: If CX M1 is installed, JP3 & JP58 must be open. CPU VOLTAGE SELECTION Setting J8 J9 J10 3.3v (STD/VR) Closed Open Open 3.4v (VR/VRE) Open Closed Open 3.6v (VRE) Open Open Closed VRM CONFIGURATION Setting JP50 JP51 JP56 JP57 On board regulator 1 & 3, 2 Open Closed Closed installed & 4 Add on VRM installed at VRM Open 1 & 3, 2 Open Open & 4 On board regulator and add Open Open Closed Closed on VRM installed at VRM Note: Pins designated should be in the closed position. DMA CHANNEL SELECTION Channel JP59 JP60 JP61 » 1 Pins 2 & 3 Pins 1 & 2 Pins 1 & 2 closed closed closed 3 Pins 1 & 2 Pins 2 & 3 Pins 2 & 3 closed closed closed PS/2 MOUSE CONFIGURATION Setting JP52 12-pin header Pins 2, 3, 4, 5, 6, 8, 9, 10, 11, 12 closed 6-pin mini Pins 1 - 6 closed