ELITEGROUP COMPUTER SYSTEMS, INC. P5HX-A (VER. 1.0) Processor CX M1/Pentium Processor Speed 75/90/100/120/133/150/166/200MHz Chip Set Intel Video Chip Set None Maximum Onboard 256MB (EDO supported) Memory Maximum Video Memory None Cache 256/512KB BIOS Unidentified Dimensions 330mm x 218mm I/O Options 32-bit PCI slots (4), floppy drive interface, green PC connector, IDE interfaces (2), parallel port, PS/2 mouse port, serial ports (2), cache slot, IR connectors (2), USB connector, ATX power connector, soft on/off power switch NPU Options None [Image] CONNECTIONS Purpose Location Purpose Location ATX power ATX Power LED & J12 pins 11 - connector keylock 15 PS/2 mouse port J3 Speaker J12 pins 17 - 20 Serial port 1 J4 IDE interface LED J13 Serial port 2 J5 USB connector J17 Parallel port J6 Chassis fan power J18 Green PC LED J8 IR connector J19 (fast) Floppy drive J9 IR connector J20 interface IDE interface 1 J10 Soft on/off power J21 switch IDE interface 2 J11 32-bit PCI slots PC1 - PC4 Green PC connector J12 pins 4 & Cache slot SL1 5 Reset switch J12 pins 9 & 10 USER CONFIGURABLE SETTINGS Function Label Position Flash BIOS voltage select 12v JP10 Pins 2 & 3 closed Flash BIOS voltage select 5v JP10 Pins 1 & 2 closed » CMOS memory normal operation JP11 Pins 2 & 3 closed CMOS memory clear JP11 Pins 1 & 2 closed Flash BIOS normal operation JP12 Pins 2 & 3 closed Flash BIOS recovery mode JP12 Pins 1 & 2 closed » Factory configured - do not JP16 Unidentified alter DRAM 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 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 DRAM CONFIGURATION (CON’T) Size Bank 0 Bank 1 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 Note: Board accepts EDO memory. CACHE CONFIGURATION Size Bank 0 SL1 256KB (A) None 256KB module installed 256KB (B) (2) 32K x 32 Not installed 512KB (A) None 512KB module installed 512KB (B) (2) 32K x 32 256KB module installed 512KB (C) (2) 64K x 32 Not installed CACHE JUMPER CONFIGURATION Size JP15 256KB (A) Open 256KB (B) Closed 512KB (A) Open 512KB (B) Closed 512KB (C) Open CPU SPEED SELECTION (CYRIX) CPU speed Clock Multiplier JP7 JP8 JP9 speed 120MHz 50MHz 2x Open 2 & 3 1 & 2, 3 & 4 133MHz 55MHz 2x Open 2 & 3 Open 150MHz 60MHz 2x Open 2 & 3 3 & 4 166MHz 66MHz 2x Open 2 & 3 1 & 2 Note: Pins designated should be in the closed position. CPU SPEED SELECTION (INTEL) CPU speed Clock Multiplier JP7 JP8 JP9 speed 75MHz 50MHz 1.5x 1 & 2 1 & 2 1 & 2, 3 & 4 90MHz 60MHz 1.5x 1 & 2 1 & 2 3 & 4 100MHz 66MHz 1.5x 1 & 2 1 & 2 1 & 2 120MHz 60MHz 2x 1 & 2 2 & 3 3 & 4 133MHz 66MHz 2x 1 & 2 2 & 3 1 & 2 150MHz * 60MHz 2.5x 2 & 3 2 & 3 3 & 4 166MHz * 66MHz 2.5x 2 & 3 2 & 3 1 & 2 200MHz 66MHz 3x 2 & 3 1 & 2 1 & 2 Note: Pins designated should be in the closed position. *If P55C is used, install U37. CPU VOLTAGE SELECTION Voltage JP1 JP2 JP3 JP4 JP5 » 3.3v 1 & 2 1 & 2 1 & 2 1 & 2 1 & 2 3.52v 3 & 4 3 & 4 3 & 4 3 & 4 3 & 4 Intel P55C 1 & 2 2 & 3 2 & 3 2 & 3 2 & 3 Note: Pins designated should be in the closed position.