CSS LABORATORIES, INC.
MAXSYS 462, 4/100 VL
| 
 Processor  | 
 80486SX/80487SX/80486DX/80486DX2/Pentium Overdrive  | 
| 
 Processor Speed  | 
 25/33/50(internal)/50/66(internal)MHz  | 
| 
 Chip Set  | 
 OPTI  | 
| 
 Max. Onboard DRAM  | 
 256MB  | 
| 
 Cache  | 
 64/128/256/512KB  | 
| 
 BIOS  | 
 Unidentified  | 
| 
 Dimensions  | 
 355mm x 305mm  | 
| 
 I/O Options  | 
 32-bit VESA local bus slot, CPU slot, floppy drive interface, IDE interface, parallel port, auxiliary parallel port, serial ports (2), auxiliary serial ports (2), auxiliary keyboard connectors (2)  | 
| 
 NPU Options  | 
 4167  | 
| 
 CONNECTIONS  | |||
| 
 Purpose  | 
 Location  | 
 Purpose  | 
 Location  | 
| 
 Speaker  | 
 J4  | 
 Parallel port  | 
 PJ2  | 
| 
 Power LED & keylock  | 
 J5  | 
 Serial port 1  | 
 PJ3  | 
| 
 Front panel connector  | 
 J39  | 
 Serial port 2  | 
 PJ4  | 
| 
 External IDE interface LED  | 
 J40  | 
 IDE interface  | 
 PJ5  | 
| 
 Reset switch  | 
 J41 pins 1 & 2  | 
 Auxiliary parallel port  | 
 PJ2A  | 
| 
 Turbo switch  | 
 J41 pins 3 & 4  | 
 Auxiliary serial port 1  | 
 PJ3A  | 
| 
 Auxiliary keyboard connector  | 
 J11B  | 
 Auxiliary serial port 2  | 
 PJ4A  | 
| 
 Auxiliary keyboard connector  | 
 J11A  | 
 CPU slot  | 
 SL1  | 
| 
 IDE interface LED  | 
 LED  | 
 32-bit VESA local bus slot  | 
 SL2  | 
| 
 Floppy drive interface  | 
 PJ1  | ||
| 
 USER CONFIGURABLE SETTINGS  | |||
| 
 Function  | 
 Jumper  | 
 Position  | |
| 
 Floppy drive interface enabled  | 
 FDD  | 
 pins 2 & 3 closed  | |
| 
 Floppy drive interface disabled  | 
 FDD  | 
 pins 1 & 2 closed  | |
| 
 IDE interface enabled  | 
 IDE  | 
 pins 2 & 3 closed  | |
| 
 IDE interface disabled  | 
 IDE  | 
 pins 1 & 2 closed  | |
| 
 »  | 
 CPU type select synchronous  | 
 JP1  | 
 pins 1 & 2 closed  | 
| 
 CPU type select asynchronous  | 
 JP1  | 
 pins 2 & 3 closed  | |
| 
 Monitor type select color  | 
 JP9  | 
 pins 2 & 3 closed  | |
| 
 Monitor type select monochrome  | 
 JP9  | 
 pins 1 & 2 closed  | |
| 
 »  | 
 Factory configured - do not alter  | 
 JP20  | 
 Open  | 
| 
 DRAM CONFIGURATION  | ||||
| 
 Size  | 
 Bank 0  | 
 Bank 1  | 
 Bank 2  | 
 Bank 3  | 
| 
 4MB  | 
 (4) 1M x 9  | 
 NONE  | 
 NONE  | 
 NONE  | 
| 
 8MB  | 
 (4) 1M x 9  | 
 (4) 1M x 9  | 
 NONE  | 
 NONE  | 
| 
 12MB  | 
 (4) 1M x 9  | 
 (4) 1M x 9  | 
 (4) 1M x 9  | 
 NONE  | 
| 
 16MB  | 
 (4) 1M x 9  | 
 (4) 1M x 9  | 
 (4) 1M x 9  | 
 (4) 1M x 9  | 
| 
 16MB  | 
 (4) 4M x 9  | 
 NONE  | 
 NONE  | 
 NONE  | 
| 
 20MB  | 
 (4) 1M x 9  | 
 (4) 4M x 9  | 
 NONE  | 
 NONE  | 
| 
 24MB  | 
 (4) 1M x 9  | 
 (4) 1M x 9  | 
 (4) 4M x 9  | 
 NONE  | 
| 
 24MB  | 
 (4) 1M x 9  | 
 (4) 4M x 9  | 
 (4) 1M x 9  | 
 NONE  | 
| 
 28MB  | 
 (4) 1M x 9  | 
 (4) 1M x 9  | 
 (4) 4M x 9  | 
 (4) 1M x 9  | 
| 
 28MB  | 
 (4) 1M x 9  | 
 (4) 4M x 9  | 
 (4) 1M x 9  | 
 (4) 1M x 9  | 
| 
 32MB  | 
 (4) 4M x 9  | 
 (4) 4M x 9  | 
 NONE  | 
 NONE  | 
| 
 36MB  | 
 (4) 1M x 9  | 
 (4) 4M x 9  | 
 (4) 4M x 9  | 
 NONE  | 
| 
 36MB  | 
 (4) 4M x 9  | 
 (4) 4M x 9  | 
 (4) 1M x 9  | 
 NONE  | 
| 
 40MB  | 
 (4) 1M x 9  | 
 (4) 1M x 9  | 
 (4) 4M x 9  | 
 (4) 4M x 9  | 
| 
 40MB  | 
 (4) 1M x 9  | 
 (4) 4M x 9  | 
 (4) 4M x 9  | 
 (4) 1M x 9  | 
| 
 40MB  | 
 (4) 4M x 9  | 
 (4) 4M x 9  | 
 (4) 1M x 9  | 
 (4) 1M x 9  | 
| 
 48MB  | 
 (4) 4M x 9  | 
 (4) 4M x 9  | 
 (4) 4M x 9  | 
 NONE  | 
| 
 52MB  | 
 (4) 1M x 9  | 
 (4) 4M x 9  | 
 (4) 4M x 9  | 
 (4) 4M x 9  | 
| 
 Note: Banks 2 & 3 are located on the CPU card.  | ||||
| 
 DRAM CONFIGURATION (CON’T)  | ||||
| 
 Size  | 
 Bank 0  | 
 Bank 1  | 
 Bank 2  | 
 Bank 3  | 
| 
 52MB  | 
 (4) 4M x 9  | 
 (4) 4M x 9  | 
 (4) 4M x 9  | 
 (4) 1M x 9  | 
| 
 64MB  | 
 (4) 4M x 9  | 
 (4) 4M x 9  | 
 (4) 4M x 9  | 
 (4) 4M x 9  | 
| 
 64MB  | 
 (4) 16M x 9  | 
 NONE  | 
 NONE  | 
 NONE  | 
| 
 128MB  | 
 (4) 16M x 9  | 
 (4) 16M x 9  | 
 NONE  | 
 NONE  | 
| 
 192MB  | 
 (4) 16M x 9  | 
 (4) 16M x 9  | 
 (4) 16M x 9  | 
 NONE  | 
| 
 256MB  | 
 (4) 16M x 9  | 
 (4) 16M x 9  | 
 (4) 16M x 9  | 
 (4) 16M x 9  | 
| 
 Note: Banks 2 & 3 are located on the CPU card.  | ||||
| 
 CPU SPEED CONFIGURATION  | ||
| 
 Speed  | 
 JP6  | 
 JP7  | 
| 
 25MHz  | 
 Open  | 
 Open  | 
| 
 33MHz  | 
 Open  | 
 Closed  | 
| 
 50iMHz  | 
 Open  | 
 Open  | 
| 
 50MHz  | 
 Closed  | 
 Closed  | 
| 
 66iMHz  | 
 Open  | 
 Closed  | 
| 
 Note: See also JP1 in User Configurable Settings.  | ||
| 
 PARALLEL PORT CONFIGURATION  | |||||
| 
 LPT  | 
 IRQ  | 
 I/O address  | 
 PRT  | 
 P0  | 
 P1  | 
| 
 N/A  | 
 N/A  | 
 Disabled  | 
 N/A  | 
 1 & 2  | 
 1 & 2  | 
| 
 LPT1  | 
 IRQ7  | 
 3BCh  | 
 2 & 3  | 
 2 & 3  | 
 1 & 2  | 
| 
 LPT2  | 
 IRQ5  | 
 278h  | 
 1 & 2  | 
 2 & 3  | 
 2 & 3  | 
| 
 LPT3  | 
 IRQ7  | 
 378h  | 
 2 & 3  | 
 1 & 2  | 
 2 & 3  | 
| 
 Note: Pins designated should be in the closed position  | |||||
| 
 SERIAL PORT 1 CONFIGURATION  | |||||
| 
 COM  | 
 IRQ  | 
 I/O address  | 
 PJ6  | 
 S0  | 
 S1  | 
| 
 N/A  | 
 N/A  | 
 Disabled  | 
 N/A  | 
 1 & 2  | 
 1 & 2  | 
| 
 COM 1  | 
 IRQ4  | 
 3F8h  | 
 1 & 2  | 
 2 & 3  | 
 2 & 3  | 
| 
 COM 2  | 
 IRQ3  | 
 2F8h  | 
 1 & 3  | 
 1 & 2  | 
 2 & 3  | 
| 
 Note: Pins designated should be in the closed position  | |||||
| 
 SERIAL PORT 2 CONFIGURATION  | |||||
| 
 COM  | 
 IRQ  | 
 I/O address  | 
 PJ6  | 
 S2  | 
 S3  | 
| 
 N/A  | 
 N/A  | 
 Disabled  | 
 N/A  | 
 1 & 2  | 
 1 & 2  | 
| 
 COM 1  | 
 IRQ4  | 
 3F8h  | 
 2 & 4  | 
 1 & 2  | 
 2 & 3  | 
| 
 COM 2  | 
 IRQ3  | 
 2F8h  | 
 3 & 4  | 
 2 & 3  | 
 2 & 3  | 
| 
 Note: Pins designated should be in the closed position  | |||||
| 
 USER CONFIGURABLE SETTINGS  | |||
| 
 Function  | 
 Jumper  | 
 Position  | |
| 
 »  | 
 Factory configured - do not alter  | 
 JP8  | 
 N/A  | 
| 
 »  | 
 Factory configured - do not alter  | 
 JP77  | 
 N/A  | 
| 
 CACHE CONFIGURATION  | ||
| 
 Size  | 
 Bank 0  | 
 Bank 1  | 
| 
 64KB  | 
 (4) 8K x 8  | 
 (4) 8K x 8  | 
| 
 128KB  | 
 (4) 32K x 8  | 
 NONE  | 
| 
 256KB  | 
 (4) 32K x 8  | 
 (4) 32K x 8  | 
| 
 512KB  | 
 (4) 128K x 8  | 
 NONE  | 
| 
 CACHE TAG CONFIGURATION  | ||||
| 
 Size  | 
 TAG (U54)  | 
 TAG (U55)  | 
 TAG (U56)  | 
 TAG (U72)  | 
| 
 64KB  | 
 NONE  | 
 (1) 8K x 8  | 
 NONE  | 
 (1) 16K/64K x 1  | 
| 
 128KB  | 
 NONE  | 
 (1) 8K x 8  | 
 NONE  | 
 (1) 16K/64K x 1  | 
| 
 256KB  | 
 NONE  | 
 (1) 8K x 8  | 
 (1) 8K x 8  | 
 (1) 16K/64K x 8  | 
| 
 512KB  | 
 NONE  | 
 (1) 32K x 8  | 
 NONE  | 
 (1) 64K x 1  | 
| 
 CACHE JUMPER CONFIGURATION  | |||||||
| 
 Size  | 
 JP2  | 
 JP3  | 
 JP4  | 
 JP5  | 
 JP16  | 
 JP17  | 
 JP18  | 
| 
 64KB  | 
 2 & 3  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | 
| 
 128KB  | 
 1 & 2  | 
 Closed  | 
 Open  | 
 Open  | 
 Closed  | 
 Open  | 
 Open  | 
| 
 256KB  | 
 2 & 3  | 
 Closed  | 
 Closed  | 
 Open  | 
 Closed  | 
 Closed  | 
 Open  | 
| 
 512KB  | 
 1 & 2  | 
 Closed  | 
 Closed  | 
 Closed  | 
 Closed  | 
 Closed  | 
 Closed  | 
| 
 Note: Pins designated should be in the closed position.  | |||||||
| 
 CPU TYPE CONFIGURATION  | ||
| 
 Type  | 
 JP10  | 
 JP11  | 
| 
 80486SX  | 
 pins 2 & 3 closed  | 
 Open  | 
| 
 80487SX  | 
 pins 1 & 2, 3 & 4 closed  | 
 pins 1 & 2 closed  | 
| 
 80486DX  | 
 pins 1 & 2, 3 & 4 closed  | 
 pins 2 & 3 closed  | 
| 
 80486DX2  | 
 pins 1 & 2, 3 & 4 closed  | 
 pins 2 & 3 closed  | 
| 
 Pentium Overdrive  | 
 pins 1 & 2, 3 & 4 closed  | 
 pins 1 & 2 closed  | 
| 
 CPU SPEED CONFIGURATION  | |
| 
 Speed  | 
 JP12  | 
| 
 25MHz  | 
 pins 2 & 3 closed  | 
| 
 33MHz  | 
 pins 2 & 3 closed  | 
| 
 50iMHz  | 
 pins 2 & 3 closed  | 
| 
 50MHz  | 
 pins 1 & 2 closed  | 
| 
 66iMHz  | 
 pins 2 & 3 closed  | 
| 
 BASE MEMORY CONFIGURATION  | ||
| 
 Size  | 
 JP20  | 
 JP21  | 
| 
 384KB  | 
 pins 2 & 3 closed  | 
 Open  | 
| 
 512KB  | 
 pins 2 & 3 closed  | 
 Closed  | 
| 
 640KB  | 
 pins 1 & 2 closed  | 
 Any setting  |