DTK COMPUTER, INC.
PKM-0039S/FEAT-39
| 
 Processor  | 
 CX486M6/80486SX/AMD486SL/CX486M7/80486DX/80486DX2/80486DX4  | 
| 
 Processor Speed  | 
 20/25/33/40/50(internal)/50/66(internal)/75(internal)/100(internal)MHz  | 
| 
 Chip Set  | 
 Unidentified  | 
| 
 Max. Onboard DRAM  | 
 128MB  | 
| 
 Cache  | 
 128/256/512/1024KB  | 
| 
 BIOS  | 
 Award  | 
| 
 Dimensions  | 
 254mm x 218mm  | 
| 
 I/O Options  | 
 32-bit VESA local bus slots (3), green PC connector  | 
| 
 NPU Options  | 
 None  | 
| 
 CONNECTIONS  | |||
| 
 Purpose  | 
 Location  | 
 Purpose  | 
 Location  | 
| 
 External battery  | 
 J2  | 
 Turbo LED  | 
 J35  | 
| 
 Green PC LED  | 
 J25  | 
 Power LED & keylock  | 
 J36  | 
| 
 Reset switch  | 
 J33  | 
 Speaker  | 
 J37  | 
| 
 Turbo switch  | 
 J34  | 
 32-bit VESA local bus slots  | 
 SL1 - SL3  | 
| 
 USER CONFIGURABLE SETTINGS  | |||
| 
 Function  | 
 Jumper  | 
 Position  | |
| 
 »  | 
 CMOS memory normal operation  | 
 J2  | 
 pins 2 & 3 closed  | 
| 
 CMOS memory clear  | 
 J2  | 
 pins 3 & 4 closed  | |
| 
 Battery type select external  | 
 J2  | 
 Closed  | |
| 
 »  | 
 Factory configured - do not alter  | 
 J11  | 
 N/A  | 
| 
 »  | 
 Factory configured - do not alter  | 
 J13  | 
 N/A  | 
| 
 »  | 
 Factory configured - do not alter  | 
 J16  | 
 N/A  | 
| 
 »  | 
 Factory configured - do not alter  | 
 J24  | 
 N/A  | 
| 
 »  | 
 AMD CPU clock speed select 2x  | 
 J40  | 
 pins 1 & 2 closed  | 
| 
 AMD CPU clock speed select 3x  | 
 J40  | 
 pins 2 & 3 closed  | |
| 
 Note: The location of J40 is unidentified.  | |||
| 
 DRAM CONFIGURATION  | ||||
| 
 Size  | 
 Bank 0  | 
 Bank 1  | 
 Bank 2  | 
 Bank 3  | 
| 
 1MB  | 
 (1) 256K x 36  | 
 NONE  | 
 NONE  | 
 NONE  | 
| 
 2MB  | 
 (1) 256K x 36  | 
 (1) 256K x 36  | 
 NONE  | 
 NONE  | 
| 
 2MB  | 
 (1) 512K x 36  | 
 NONE  | 
 NONE  | 
 NONE  | 
| 
 4MB  | 
 (1) 256K x 36  | 
 (1) 256K x 36  | 
 (1) 512K x 36  | 
 NONE  | 
| 
 4MB  | 
 (1) 512K x 36  | 
 (1) 512K x 36  | 
 NONE  | 
 NONE  | 
| 
 4MB  | 
 (1) 1M x 36  | 
 NONE  | 
 NONE  | 
 NONE  | 
| 
 5MB  | 
 (1) 256K x 36  | 
 (1) 1M x 36  | 
 NONE  | 
 NONE  | 
| 
 6MB  | 
 (1) 256K x 36  | 
 (1) 256K x 36  | 
 (1) 1M x 36  | 
 NONE  | 
| 
 6MB  | 
 (1) 512K x 36  | 
 (1) 1M x 36  | 
 NONE  | 
 NONE  | 
| 
 8MB  | 
 (1) 256K x 36  | 
 (1) 256K x 36  | 
 (1) 512K x 36  | 
 (1) 1M x 36  | 
| 
 8MB  | 
 (1) 512K x 36  | 
 (1) 512K x 36  | 
 (1) 1M x 36  | 
 NONE  | 
| 
 8MB  | 
 (1) 1M x 36  | 
 (1) 1M x 36  | 
 NONE  | 
 NONE  | 
| 
 8MB  | 
 (1) 2M x 36  | 
 NONE  | 
 NONE  | 
 NONE  | 
| 
 10MB  | 
 (1) 256K x 36  | 
 (1) 256K x 36  | 
 (1) 1M x 36  | 
 (1) 1M x 36  | 
| 
 12MB  | 
 (1) 512K x 36  | 
 (1) 512K x 36  | 
 (1) 1M x 36  | 
 (1) 1M x 36  | 
| 
 12MB  | 
 (1) 1M x 36  | 
 (1) 1M x 36  | 
 (1) 1M x 36  | 
 NONE  | 
| 
 16MB  | 
 (1) 1M x 36  | 
 (1) 1M x 36  | 
 (1) 1M x 36  | 
 (1) 1M x 36  | 
| 
 16MB  | 
 (1) 2M x 36  | 
 (1) 2M x 36  | 
 NONE  | 
 NONE  | 
| 
 16MB  | 
 (1) 4M x 36  | 
 NONE  | 
 NONE  | 
 NONE  | 
| 
 17MB  | 
 (1) 256K x 36  | 
 (1) 4M x 36  | 
 NONE  | 
 NONE  | 
| 
 18MB  | 
 (1) 256K x 36  | 
 (1) 256K x 36  | 
 (1) 4M x 36  | 
 NONE  | 
| 
 18MB  | 
 (1) 512K x 36  | 
 (1) 4M x 36  | 
 NONE  | 
 NONE  | 
| 
 20MB  | 
 (1) 512K x 36  | 
 (1) 512K x 36  | 
 (1) 4M x 36  | 
 NONE  | 
| 
 20MB  | 
 (1) 1M x 36  | 
 (1) 4M x 36  | 
 NONE  | 
 NONE  | 
| 
 24MB  | 
 (1) 512K x 36  | 
 (1) 512K x 36  | 
 (1) 1M x 36  | 
 (1) 4M x 36  | 
| 
 24MB  | 
 (1) 1M x 36  | 
 (1) 1M x 36  | 
 (1) 4M x 36  | 
 NONE  | 
| 
 24MB  | 
 (1) 2M x 36  | 
 (1) 2M x 36  | 
 (1) 2M x 36  | 
 NONE  | 
| 
 32MB  | 
 (1) 2M x 36  | 
 (1) 2M x 36  | 
 (1) 2M x 36  | 
 (1) 2M x 36  | 
| 
 32MB  | 
 (1) 4M x 36  | 
 (1) 4M x 36  | 
 NONE  | 
 NONE  | 
| 
 32MB  | 
 (1) 8M x 36  | 
 NONE  | 
 NONE  | 
 NONE  | 
| 
 36MB  | 
 (1) 512K x 36  | 
 (1) 512K x 36  | 
 (1) 4M x 36  | 
 (1) 4M x 36  | 
| 
 DRAM CONFIGURATION (CON’T)  | ||||
| 
 Size  | 
 Bank 0  | 
 Bank 1  | 
 Bank 2  | 
 Bank 3  | 
| 
 36MB  | 
 (1) 1M x 36  | 
 (1) 4M x 36  | 
 (1) 4M x 36  | 
 NONE  | 
| 
 36MB  | 
 (1) 1M x 36  | 
 (1) 8M x 36  | 
 NONE  | 
 NONE  | 
| 
 40MB  | 
 (1) 1M x 36  | 
 (1) 1M x 36  | 
 (1) 4M x 36  | 
 (1) 4M x 36  | 
| 
 40MB  | 
 (1) 1M x 36  | 
 (1) 1M x 36  | 
 (1) 8M x 36  | 
 NONE  | 
| 
 48MB  | 
 (1) 4M x 36  | 
 (1) 4M x 36  | 
 (1) 4M x 36  | 
 NONE  | 
| 
 48MB  | 
 (1) 4M x 36  | 
 (1) 8M x 36  | 
 NONE  | 
 NONE  | 
| 
 64MB  | 
 (1) 4M x 36  | 
 (1) 4M x 36  | 
 (1) 4M x 36  | 
 (1) 4M x 36  | 
| 
 64MB  | 
 (1) 16M x 36  | 
 NONE  | 
 NONE  | 
 NONE  | 
| 
 64MB  | 
 (1) 4M x 36  | 
 (1) 4M x 36  | 
 (1) 8M x 36  | 
 NONE  | 
| 
 64MB  | 
 (1) 8M x 36  | 
 (1) 8M x 36  | 
 NONE  | 
 NONE  | 
| 
 65MB  | 
 (1) 256K x 36  | 
 (1) 16M x 36  | 
 NONE  | 
 NONE  | 
| 
 68MB  | 
 (1) 1M x 36  | 
 (1) 16M x 36  | 
 NONE  | 
 NONE  | 
| 
 68MB  | 
 (1) 1M x 36  | 
 (1) 8M x 36  | 
 (1) 8M x 36  | 
 NONE  | 
| 
 72MB  | 
 (1) 1M x 36  | 
 (1) 1M x 36  | 
 (1) 8M x 36  | 
 (1) 8M x 36  | 
| 
 80MB  | 
 (1) 4M x 36  | 
 (1) 8M x 36  | 
 (1) 8M x 36  | 
 NONE  | 
| 
 96MB  | 
 (1) 4M x 36  | 
 (1) 4M x 36  | 
 (1) 8M x 36  | 
 (1) 8M x 36  | 
| 
 96MB  | 
 (1) 8M x 36  | 
 (1) 8M x 36  | 
 (1) 8M x 36  | 
 NONE  | 
| 
 128MB  | 
 (1) 16M x 36  | 
 (1) 16M x 36  | 
 NONE  | 
 NONE  | 
| 
 128MB  | 
 (1) 8M x 36  | 
 (1) 8M x 36  | 
 (1) 8M x 36  | 
 (1) 8M x 36  | 
| 
 CACHE CONFIGURATION  | |||
| 
 Size  | 
 Bank 0  | 
 Bank 1  | 
 TAG  | 
| 
 128KB  | 
 (4) 32K x 8  | 
 NONE  | 
 (1) 8K x 8 or (1) 32K x 8  | 
| 
 256KB  | 
 (4) 32K x 8  | 
 (4) 32K x 8  | 
 (1) 32K x 8  | 
| 
 256KB  | 
 (4) 64K x 8  | 
 NONE  | 
 (1) 32K x 8  | 
| 
 512KB  | 
 (4) 64K x 8  | 
 (4) 64K x 8  | 
 (1) 32K x 8  | 
| 
 512KB  | 
 (4) 128K x 8  | 
 NONE  | 
 (1) 32K x 8  | 
| 
 1MB  | 
 (4) 128K x 8  | 
 (4) 128K x 8  | 
 (1) 64K x 8  | 
| 
 CACHE JUMPER CONFIGURATION  | |||||
| 
 Size  | 
 J6  | 
 J7  | 
 J8  | 
 J9  | 
 J10  | 
| 
 128KB  | 
 1 & 2  | 
 1 & 2  | 
 1 & 2  | 
 2 & 3  | 
 1 & 2, 3 & 4  | 
| 
 256KB  | 
 2 & 3  | 
 1 & 2  | 
 2 & 3  | 
 2 & 3  | 
 2 & 3, 4 & 5  | 
| 
 256KB  | 
 1 & 2  | 
 1 & 2  | 
 2 & 3  | 
 2 & 3  | 
 1 & 2, 3 & 4  | 
| 
 512KB  | 
 2 & 3  | 
 2 & 3  | 
 2 & 3  | 
 2 & 3  | 
 2 & 3, 4 & 5  | 
| 
 512KB  | 
 1 & 2  | 
 2 & 3  | 
 2 & 3  | 
 2 & 3  | 
 1 & 2, 3 & 4  | 
| 
 1MB  | 
 2 & 3  | 
 2 & 3  | 
 2 & 3  | 
 2 & 3  | 
 2 & 3, 4 & 5  | 
| 
 Note: Pins designated should be in the closed position.  | |||||
| 
 CPU TYPE CONFIGURATION  | ||||
| 
 Type  | 
 J14  | 
 J15  | 
 J17  | 
 J18  | 
| 
 CX486M6  | 
 Installed  | 
 Not installeld  | 
 Not installeld  | 
 Installed  | 
| 
 80486SX  | 
 Not installeld  | 
 Installed  | 
 Not installeld  | 
 Installed  | 
| 
 AMD486SL  | 
 Not installeld  | 
 Installed  | 
 Installed  | 
 Not installeld  | 
| 
 CX486M7  | 
 Installed  | 
 Not installeld  | 
 Installed  | 
 Not installeld  | 
| 
 80486DX  | 
 Not installeld  | 
 Installed  | 
 Installed  | 
 Not installeld  | 
| 
 80486DX2  | 
 Not installeld  | 
 Installed  | 
 Installed  | 
 Not installeld  | 
| 
 80486DX4  | 
 Not installeld  | 
 Installed  | 
 Installed  | 
 Not installeld  | 
| 
 CPU TYPE CONFIGURATION (CON’T)  | |||||
| 
 Type  | 
 J19  | 
 J22  | 
 J23  | 
 J28  | 
 J29  | 
| 
 CX486M6  | 
 2 & 3  | 
 1 & 2  | 
 2 & 3  | 
 2 & 3  | 
 Closed  | 
| 
 80486SX  | 
 2 & 3  | 
 2 & 3  | 
 1 & 2  | 
 2 & 3  | 
 Open  | 
| 
 AMD486SL  | 
 1 & 2  | 
 1 & 2  | 
 2 & 3  | 
 1 & 2  | 
 Closed  | 
| 
 CX486M7  | 
 2 & 3  | 
 1 & 2  | 
 2 & 3  | 
 2 & 3  | 
 Closed  | 
| 
 80486DX  | 
 2 & 3  | 
 2 & 3  | 
 1 & 2  | 
 2 & 3  | 
 Closed  | 
| 
 80486DX2  | 
 2 & 3  | 
 2 & 3  | 
 1 & 2  | 
 2 & 3  | 
 Closed  | 
| 
 80486DX4  | 
 2 & 3  | 
 2 & 3  | 
 1 & 2  | 
 2 & 3  | 
 Closed  | 
| 
 Note: Pins designated should be in the closed position.  | |||||
| 
 CPU SPEED CONFIGURATION (MX8315)  | |
| 
 Speed  | 
 J27  | 
| 
 20MHz  | 
 Open  | 
| 
 25MHz  | 
 pins 5 & 6 closed  | 
| 
 33MHz  | 
 pins 1 & 2, 3 & 4, 5 & 6 closed  | 
| 
 40MHz  | 
 pins 3 & 4, 5 & 6 closed  | 
| 
 50iMHz  | 
 pins 5 & 6 closed  | 
| 
 50MHz  | 
 pins 1 & 2 closed  | 
| 
 66iMHz  | 
 pins 1 & 2, 3 & 4, 5 & 6 closed  | 
| 
 75iMHz  | 
 pins 5 & 6 closed  | 
| 
 100iMHz  | 
 pins 1 & 2, 3 & 4, 5 & 6 closed  | 
| 
 CPU SPEED CONFIGURATION (KDN-1401/1402C)  | |
| 
 Speed  | 
 J27  | 
| 
 20MHz  | 
 pins 1 & 2, 3 & 4 closed  | 
| 
 25MHz  | 
 pins 1 & 2, 5 & 6 closed  | 
| 
 33MHz  | 
 pins 3 & 4, 5 & 6 closed  | 
| 
 40MHz  | 
 pins 1 & 2 closed  | 
| 
 50iMHz  | 
 pins 1 & 2, 5 & 6 closed  | 
| 
 50MHz  | 
 pins 3 & 4 closed  | 
| 
 66iMHz  | 
 pins 3 & 4, 5 & 6 closed  | 
| 
 75iMHz  | 
 pins 1 & 2, 5 & 6 closed  | 
| 
 100iMHz  | 
 pins 3 & 4, 5 & 6 closed  | 
| 
 CPU VOLTAGE CONFIGURATION  | |
| 
 Voltage  | 
 J21  | 
| 
 3.3v  | 
 pins 5 & 6, 7 & 8 closed  | 
| 
 5v  | 
 pins 1 & 2, 3 & 4 closed  | 
| 
 VESA WAIT STATE CONFIGURATION  | |
| 
 Wait states  | 
 J31  | 
| 
 0 wait states  | 
 pins 1 & 2 closed  | 
| 
 1 wait state  | 
 pins 2 & 3 closed  | 
| 
 BUS SPEED CONFIGURATION  | |
| 
 CPU speed  | 
 J30  | 
| 
 <= 33MHz  | 
 pins 1 & 2 closed  | 
| 
 > 33MHz  | 
 pins 2 & 3 closed  |