ELITEGROUP COMPUTER SYSTEMS, INC.
SI54P VIO
| 
 Processor  | 
 Pentium  | 
| 
 Processor Speed  | 
 75/90/100MHz  | 
| 
 Chip Set  | 
 SIS  | 
| 
 Max. Onboard DRAM  | 
 128MB  | 
| 
 Cache  | 
 256/512/1024KB  | 
| 
 BIOS  | 
 Phoenix  | 
| 
 Dimensions  | 
 330mm x 218mm  | 
| 
 I/O Options  | 
 Floppy drive interface, green PC connector, IDE interfaces (2), parallel port, PS/2 mouse port, serial ports (2), VGA feature connector, VGA port, riser slot  | 
| 
 NPU Options  | 
 None  | 
| 
 CONNECTIONS  | |||
| 
 Purpose  | 
 Location  | 
 Purpose  | 
 Location  | 
| 
 Parallel port  | 
 J1  | 
 3.3v connector  | 
 J14  | 
| 
 Serial port 2  | 
 J2  | 
 IDE interface LED  | 
 JP15  | 
| 
 Serial port 1  | 
 J3  | 
 Turbo LED  | 
 JP21 pins 2 - 3  | 
| 
 VGA port  | 
 J5  | 
 Green PC connector  | 
 JP21 pins 4 - 5  | 
| 
 PS/2 mouse port  | 
 J6  | 
 Turbo switch  | 
 JP21 pins 6 - 7  | 
| 
 VGA feature connector  | 
 J8  | 
 Reset switch  | 
 JP21 pins 9 - 10  | 
| 
 Floppy drive interface  | 
 J11  | 
 Power LED & keylock  | 
 JP21 pins 11 - 15  | 
| 
 IDE interface (secondary)  | 
 J12  | 
 Speaker  | 
 JP21 pins 17 - 20  | 
| 
 IDE interface (primary)  | 
 J13  | 
 Riser Card  | 
 SL1  | 
| 
 USER CONFIGURABLE SETTINGS  | |||
| 
 Function  | 
 Jumper  | 
 Position  | |
| 
 »  | 
 Video memory type select fast page mode  | 
 JP1  | 
 pins 1 & 2 closed  | 
| 
 Video memory type select extended data out mode  | 
 JP1  | 
 pins 2 & 3 closed  | |
| 
 »  | 
 SMC 37C665 signal enabled  | 
 JP4  | 
 pins 1 & 2 closed  | 
| 
 SMC 37C665 signal disabled  | 
 JP4  | 
 pins 2 & 3 closed  | |
| 
 »  | 
 BIOS type select EPROM  | 
 JP5  | 
 Open  | 
| 
 BIOS type select 5v flash  | 
 JP5  | 
 pins 1 & 2 closed  | |
| 
 BIOS type select 12v flash  | 
 JP5  | 
 pins 2 & 3 closed  | |
| 
 »  | 
 CMOS memory normal operation  | 
 JP6  | 
 Open  | 
| 
 CMOS memory clear  | 
 JP6  | 
 Closed  | |
| 
 »  | 
 Parity check enabled  | 
 JP12  | 
 pins 2 & 3 closed  | 
| 
 Parity check disabled  | 
 JP12  | 
 pins 1 & 2 closed  | |
| 
 »  | 
 IDE interface enabled  | 
 JP13  | 
 Open  | 
| 
 IDE interface disabled  | 
 JP13  | 
 Closed  | |
| 
 »  | 
 DRAM type select single side in both banks  | 
 JP14  | 
 pins 2 & 3 closed  | 
| 
 DRAM type select double side in bank 2 & single side in bank 1  | 
 JP14  | 
 pins 1 & 2, 3 & 4 closed  | |
| 
 »  | 
 Cache type select write back  | 
 JP17  | 
 pins 1 & 2 closed  | 
| 
 Cache type select write through  | 
 JP17  | 
 pins 2 & 3 closed  | |
| 
 »  | 
 CPU write to always  | 
 JP18  | 
 pins 1 & 2 closed  | 
| 
 CPU write to invalidate  | 
 JP18  | 
 pins 2 & 3 closed  | |
| 
 »  | 
 CPU next address disabled  | 
 JP19  | 
 pins 1 & 2 closed  | 
| 
 CPU next address enabled  | 
 JP19  | 
 pins 2 & 3 closed  | |
| 
 »  | 
 Factory configured - do not alter  | 
 JP20  | 
 N/A  | 
| 
 DRAM CONFIGURATION  | ||
| 
 Size  | 
 Bank 0  | 
 Bank 1  | 
| 
 2MB  | 
 (2) 256K x 36  | 
 NONE  | 
| 
 4MB  | 
 (2) 256K x 36  | 
 (2) 256K x 36  | 
| 
 4MB  | 
 (2) 512K x 36  | 
 NONE  | 
| 
 8MB  | 
 (2) 512K x 36  | 
 (2) 512K x 36  | 
| 
 8MB  | 
 (2) 1M x 36  | 
 NONE  | 
| 
 16MB  | 
 (2) 1M x 36  | 
 (2) 1M x 36  | 
| 
 16MB  | 
 (2) 2M x 36  | 
 NONE  | 
| 
 32MB  | 
 (2) 2M x 36  | 
 (2) 2M x 36  | 
| 
 36MB  | 
 (2) 512K x 36  | 
 (2) 4M x 36  | 
| 
 36MB  | 
 (2) 512K x 36  | 
 (2) 4M x 36  | 
| 
 48MB  | 
 (2) 2M x 36  | 
 (2) 4M x 36  | 
| 
 64MB  | 
 (2) 4M x 36  | 
 (2) 4M x 36  | 
| 
 64MB  | 
 (2) 8M x 36  | 
 NONE  | 
| 
 128MB  | 
 (2) 8M x 36  | 
 (2) 8M x 36  | 
| 
 128MB  | 
 (2) 16M x 36  | 
 NONE  | 
| 
 CACHE CONFIGURATION  | |||
| 
 Size  | 
 Bank 0  | 
 Bank 1  | 
 TAG  | 
| 
 256KB  | 
 (4) 32K x 8  | 
 (4) 32K x 8  | 
 (2) 32K x 8  | 
| 
 512KB  | 
 (4) 64K x 8  | 
 (4) 64K x 8  | 
 (2) 32K x 8  | 
| 
 1MB  | 
 (4) 128K x 8  | 
 (4) 128K x 8  | 
 (2) 32K x 8  | 
| 
 CACHE JUMPER CONFIGURATION  | ||
| 
 Size  | 
 JP10  | 
 JP11  | 
| 
 256KB  | 
 Open  | 
 Open  | 
| 
 512KB  | 
 Closed  | 
 Open  | 
| 
 1MB  | 
 Closed  | 
 Closed  | 
| 
 CPU SPEED CONFIGURATION  | |
| 
 Speed  | 
 JP16  | 
| 
 75MHz  | 
 pins 1 & 2 closed  | 
| 
 90MHz  | 
 pins 1 & 2, 5 & 6 closed  | 
| 
 100MHz  | 
 pins 1 & 2, 3 & 4, 5 & 6 closed  | 
| 
 DACK/DRQ CONFIGURATION  | ||
| 
 DACK/DRQ  | 
 JP8  | 
 JP9  | 
| 
 DACK1/DRQ1  | 
 pins 1 & 2 closed  | 
 pins 1 & 2 closed  | 
| 
 DACK3/DRQ3  | 
 pins 2 & 3 closed  | 
 pins 2 & 3 closed  |