COMPUTREND SYSTEMS, INC.
PCI PENTIUM AL4
| 
 Processor  | 
 Pentium  | 
| 
 Processor Speed  | 
 75/90/100/120MHz  | 
| 
 Chip Set  | 
 ALI  | 
| 
 Max. Onboard DRAM  | 
 128MB  | 
| 
 Cache  | 
 256/512/1024KB  | 
| 
 BIOS  | 
 AMI  | 
| 
 Dimensions  | 
 330mm x 220mm  | 
| 
 I/O Options  | 
 32-bit PCI slots (4), floppy drive interface, green PC connector, IDE interfaces (2), parallel port, serial ports (2)  | 
| 
 NPU Options  | 
 None  | 
| 
 CONNECTIONS  | |||
| 
 Purpose  | 
 Location  | 
 Purpose  | 
 Location  | 
| 
 Serial port 1  | 
 CN1  | 
 Turbo LED  | 
 JFP pins 12 & 13  | 
| 
 Serial port 2  | 
 CN2  | 
 Turbo switch  | 
 JFP pins 15 - 17  | 
| 
 Parallel port  | 
 CN3  | 
 Reset switch  | 
 JFP pins 19 & 20  | 
| 
 Floppy drive interface  | 
 CN4  | 
 IDE interface LED  | 
 JFPA  | 
| 
 IDE interface 2  | 
 CN5  | 
 Green PC connector (monitor)  | 
 JG1  | 
| 
 IDE interface 1  | 
 CN6  | 
 Green PC LED  | 
 JG2  | 
| 
 External battery  | 
 JB1  | 
 Green PC connector  | 
 JG3  | 
| 
 Power LED & keylock  | 
 JFP pins 1 - 5  | 
 Chassis fan power  | 
 JP10  | 
| 
 Speaker  | 
 JFP pins 7 - 10  | 
 32-bit PCI slots  | 
 PC1 - PC4  | 
| 
 USER CONFIGURABLE SETTINGS  | |||
| 
 Function  | 
 Jumper  | 
 Position  | |
| 
 »  | 
 Battery type select internal  | 
 JB1  | 
 Pins 2 & 3 closed  | 
| 
 Battery type select external  | 
 JB1  | 
 Closed  | |
| 
 CMOS memory clear  | 
 JB1  | 
 Pins 3 & 4 closed  | |
| 
 »  | 
 Flash BIOS voltage select 12v  | 
 JP2  | 
 Pins 1 & 2 closed  | 
| 
 Flash BIOS voltage select 5v  | 
 JP2  | 
 Pins 2 & 3 closed  | |
| 
 »  | 
 Power good signal detect from board  | 
 JP5  | 
 Pins 2 & 3 closed  | 
| 
 Power good signal detect from power supply  | 
 JP5  | 
 Pins 1 & 2 closed  | |
| 
 IDE interface enabled  | 
 JP7  | 
 Open  | |
| 
 IDE interface disabled  | 
 JP7  | 
 Closed  | |
| 
 »  | 
 Factory configured - do not alter  | 
 JP8  | 
 N/A  | 
| 
 DRAM CONFIGURATION  | ||
| 
 Size  | 
 Bank 0  | 
 Bank 1  | 
| 
 2MB  | 
 (2) 256K x 36  | 
 NONE  | 
| 
 4MB  | 
 (2) 512K x 36  | 
 NONE  | 
| 
 4MB  | 
 (2) 256K x 36  | 
 (2) 256K x 36  | 
| 
 6MB  | 
 (2) 512K x 36  | 
 (2) 256K x 36  | 
| 
 6MB  | 
 (2) 256K x 36  | 
 (2) 512K x 36  | 
| 
 8MB  | 
 (2) 1M x 36  | 
 NONE  | 
| 
 8MB  | 
 (2) 512K x 36  | 
 (2) 512K x 36  | 
| 
 10MB  | 
 (2) 1M x 36  | 
 (2) 256K x 36  | 
| 
 10MB  | 
 (2) 256K x 36  | 
 (2) 1M x 36  | 
| 
 12MB  | 
 (2) 1M x 36  | 
 (2) 512K x 36  | 
| 
 12MB  | 
 (2) 512K x 36  | 
 (2) 1M x 36  | 
| 
 16MB  | 
 (2) 2M x 36  | 
 NONE  | 
| 
 16MB  | 
 (2) 1M x 36  | 
 (2) 1M x 36  | 
| 
 18MB  | 
 (2) 2M x 36  | 
 (2) 256K x 36  | 
| 
 18MB  | 
 (2) 256K x 36  | 
 (2) 2M x 36  | 
| 
 20MB  | 
 (2) 2M x 36  | 
 (2) 512K x 36  | 
| 
 20MB  | 
 (2) 512K x 36  | 
 (2) 2M x 36  | 
| 
 24MB  | 
 (2) 2M x 36  | 
 (2) 1M x 36  | 
| 
 24MB  | 
 (2) 1M x 36  | 
 (2) 2M x 36  | 
| 
 32MB  | 
 (2) 4M x 36  | 
 NONE  | 
| 
 32MB  | 
 (2) 2M x 36  | 
 (2) 2M x 36  | 
| 
 34MB  | 
 (2) 4M x 36  | 
 (2) 256K x 36  | 
| 
 34MB  | 
 (2) 256K x 36  | 
 (2) 4M x 36  | 
| 
 36MB  | 
 (2) 4M x 36  | 
 (2) 512K x 36  | 
| 
 36MB  | 
 (2) 512K x 36  | 
 (2) 4M x 36  | 
| 
 40MB  | 
 (2) 4M x 36  | 
 (2) 1M x 36  | 
| 
 40MB  | 
 (2) 1M x 36  | 
 (2) 4M x 36  | 
| 
 48MB  | 
 (2) 4M x 36  | 
 (2) 2M x 36  | 
| 
 48MB  | 
 (2) 2M x 36  | 
 (2) 4M x 36  | 
| 
 64MB  | 
 (2) 8M x 36  | 
 NONE  | 
| 
 64MB  | 
 (2) 4M x 36  | 
 (2) 4M x 36  | 
| 
 DRAM CONFIGURATION (CON’T)  | ||
| 
 Size  | 
 Bank 0  | 
 Bank 1  | 
| 
 66MB  | 
 (2) 8M x 36  | 
 (2) 256K x 36  | 
| 
 66MB  | 
 (2) 256K x 36  | 
 (2) 8M x 36  | 
| 
 68MB  | 
 (2) 8M x 36  | 
 (2) 512K x 36  | 
| 
 68MB  | 
 (2) 512K x 36  | 
 (2) 8M x 36  | 
| 
 72MB  | 
 (2) 8M x 36  | 
 (2) 1M x 36  | 
| 
 72MB  | 
 (2) 1M x 36  | 
 (2) 8M x 36  | 
| 
 80MB  | 
 (2) 8M x 36  | 
 (2) 2M x 36  | 
| 
 80MB  | 
 (2) 2M x 36  | 
 (2) 8M x 36  | 
| 
 96MB  | 
 (2) 8M x 36  | 
 (2) 4M x 36  | 
| 
 96MB  | 
 (2) 4M x 36  | 
 (2) 8M x 36  | 
| 
 128MB  | 
 (2) 8M x 36  | 
 (2) 8M x 36  | 
| 
 CACHE CONFIGURATION  | ||
| 
 Size  | 
 Bank 0  | 
 TAG  | 
| 
 256KB  | 
 (8) 32K x 8  | 
 (1) 8K x 8  | 
| 
 512KB  | 
 (8) 64K x 8  | 
 (1) 16K x 8  | 
| 
 1MB  | 
 (8) 128K x 8  | 
 (1) 32K x 8  | 
| 
 CACHE JUMPER CONFIGURATION  | ||
| 
 Size  | 
 JS2  | 
 JS3  | 
| 
 256KB  | 
 Pins 1 & 2 closed  | 
 Pins 1 & 2 closed  | 
| 
 512KB  | 
 Pins 1 & 2 closed  | 
 Pins 2 & 3 closed  | 
| 
 1MB  | 
 Pins 2 & 3 closed  | 
 Pins 2 & 3 closed  | 
| 
 CPU SPEED CONFIGURATION  | ||
| 
 Speed  | 
 JK1  | 
 JR1  | 
| 
 75MHz  | 
 Open  | 
 Open  | 
| 
 90MHz  | 
 Pins 1 & 2 closed  | 
 Open  | 
| 
 100MHz  | 
 Pins 1 & 2, 3 & 4 closed  | 
 Open  | 
| 
 120MHz  | 
 Pins 1 & 2 closed  | 
 Closed  | 
| 
 CPU VOLTAGE CONFIGURATION  | |
| 
 Voltage  | 
 JP12  | 
| 
 3.4v  | 
 Closed  | 
| 
 3.5v  | 
 Open  | 
| 
 DMA CONFIGURATION  | ||||
| 
 DMA  | 
 CP2  | 
 CP3  | 
 CP4  | 
 CP5  | 
| 
 DMA 1  | 
 Open  | 
 Closed  | 
 Open  | 
 Closed  | 
| 
 DMA 3  | 
 Closed  | 
 Open  | 
 Closed  | 
 Open  |