TEKNOR INDUSTRIAL COMPUTERS, INC.
TEK 735
| 
 Processor  | 
 80486DX/80486DX2/SL80486DX2/AM486DX4/80486DX4/AM486DX5  | 
| 
 Processor Speed  | 
 25/33/40/50(internal)/50/66(internal)/75(internal)/100(internal)/ 133(internal)MHz  | 
| 
 Chip Set  | 
 Unidentified  | 
| 
 Video Chip Set  | 
 Cirrus Logic  | 
| 
 Maximum Onboard Memory  | 
 64MB  | 
| 
 Maximum Video Memory  | 
 2MB  | 
| 
 Cache  | 
 128/256/512KB  | 
| 
 BIOS  | 
 Award  | 
| 
 Dimensions  | 
 339mm x 122mm  | 
| 
 I/O Options  | 
 Floppy drive interface, IDE interfaces (2), SCSI interface, parallel port, PS/2 mouse interface, serial ports (2), VGA feature connector, VGA port  | 
| 
 NPU Options  | 
 None  | 
| 
 CONNECTIONS  | |||
| 
 Purpose  | 
 Location  | 
 Purpose  | 
 Location  | 
| 
 CPU fan power  | 
 J1  | 
 IDE interface 2  | 
 J8  | 
| 
 SCSI interface  | 
 J2  | 
 VGA feature connector  | 
 J9  | 
| 
 IDE interface 1  | 
 J3  | 
 PS/2 mouse interface  | 
 J10  | 
| 
 Floppy drive interface  | 
 J4  | 
 Power connector  | 
 J12  | 
| 
 Keyboard, speaker, reset, LED  | 
 J5  | 
 VGA port  | 
 J14  | 
| 
 Serial port 1  | 
 J6  | 
 Parallel port  | 
 J15  | 
| 
 Serial port 2  | 
 J7  | ||
| 
 USER CONFIGURABLE SETTINGS  | |||
| 
 Function  | 
 Label  | 
 Position  | |
| 
 »  | 
 BIOS boot select normal boot  | 
 J13  | 
 Open  | 
| 
 BIOS boot select emergency boot  | 
 J13  | 
 Closed  | |
| 
 »  | 
 IOCHRDY signal to IDE interface disabled  | 
 W15  | 
 Open  | 
| 
 IOCHRDY signal to IDE interface enabled  | 
 W15  | 
 Closed  | |
| 
 »  | 
 SCSI IRQ select IRQ11  | 
 W18  | 
 Pins 2 & 3 closed  | 
| 
 SCSI IRQ select IRQ10  | 
 W18  | 
 Pins 1 & 2 closed  | |
| 
 »  | 
 Serial download mode disabled  | 
 W19/pins 1 & 2  | 
 Open  | 
| 
 Serial download mode enabled  | 
 W19/pins 1 & 2  | 
 Closed  | |
| 
 »  | 
 VT100 mode disabled  | 
 W19/pins 3 & 4  | 
 Open  | 
| 
 VT100 mode enabled  | 
 W19/pins 3 & 4  | 
 Closed  | |
| 
 »  | 
 TEKNOR extension enabled  | 
 W19/pins 5 & 6  | 
 Open  | 
| 
 TEKNOR extension disabled  | 
 W19/pins 5 & 6  | 
 Closed  | |
| 
 »  | 
 On board video enabled  | 
 W19/pins 7 & 8  | 
 Open  | 
| 
 On board video disabled  | 
 W19/pins 7 & 8  | 
 Closed  | |
| 
 »  | 
 VGA high speed write select 1 wait state  | 
 W21  | 
 Closed  | 
| 
 VGA high speed write select 0 wait states  | 
 W21  | 
 Open  | |
| 
 »  | 
 SCSI I/O port select 340  | 
 W22  | 
 Open  | 
| 
 SCSI I/O port select 140  | 
 W22  | 
 Closed  | |
| 
 »  | 
 Watchdog timer enabled  | 
 W24  | 
 Closed  | 
| 
 Watchdog timer disabled  | 
 W24  | 
 Open  | |
| 
 »  | 
 AT clock generation select >33MHz  | 
 W25  | 
 Open  | 
| 
 AT clock generation select <33MHz  | 
 W25  | 
 Closed  | |
| 
 »  | 
 Factory configured - do not alter  | 
 W26  | 
 Unidentified  | 
| 
 »  | 
 Power fail monitoring disabled  | 
 W29  | 
 Open  | 
| 
 Power fail monitoring enabled  | 
 W29  | 
 Closed  | |
| 
 »  | 
 Power failure detection source external power fail (pin 6 on J12)  | 
 W39  | 
 Pins 1 & 2 closed  | 
| 
 Power failure detection source internal/external battery <3v  | 
 W39  | 
 Pins 2 & 3 closed  | |
| 
 Battery type select internal  | 
 W40  | 
 Pins 1 & 2 closed  | |
| 
 Battery type select external  | 
 W40  | 
 Pins 2 & 3 closed  | |
| 
 SIMM CONFIGURATION  | |
| 
 Size  | 
 Bank 0  | 
| 
 1MB  | 
 (4) 256K x 9  | 
| 
 4MB  | 
 (4) 1M x 9  | 
| 
 16MB  | 
 (4) 4M x 9  | 
| 
 SIMM CONFIGURATION  | ||
| 
 Size  | 
 Bank 1  | 
 Bank 2  | 
| 
 1MB  | 
 (1) 256K x 36  | 
 None  | 
| 
 2MB  | 
 (1) 256K x 36  | 
 (1) 256K x 36  | 
| 
 3MB  | 
 (1) 512K x 36  | 
 (1) 256K x 36  | 
| 
 4MB  | 
 (1) 1M x 36  | 
 None  | 
| 
 4MB  | 
 (1) 512K x 36  | 
 (1) 512K x 36  | 
| 
 5MB  | 
 (1) 1M x 36  | 
 (1) 256K x 36  | 
| 
 6MB  | 
 (1) 1M x 36  | 
 (1) 512K x 36  | 
| 
 8MB  | 
 (1) 2M x 36  | 
 None  | 
| 
 8MB  | 
 (1) 1M x 36  | 
 (1) 1M x 36  | 
| 
 9MB  | 
 (1) 2M x 36  | 
 (1) 256K x 36  | 
| 
 10MB  | 
 (1) 2M x 36  | 
 (1) 512K x 36  | 
| 
 12MB  | 
 (1) 2M x 36  | 
 (1) 1M x 36  | 
| 
 SIMM CONFIGURATION (CON’T)  | ||
| 
 Size  | 
 Bank 1  | 
 Bank 2  | 
| 
 16MB  | 
 (1) 4M x 36  | 
 None  | 
| 
 16MB  | 
 (1) 2M x 36  | 
 (1) 2M x 36  | 
| 
 17MB  | 
 (1) 4M x 36  | 
 (1) 256K x 36  | 
| 
 18MB  | 
 (1) 4M x 36  | 
 (1) 512K x 36  | 
| 
 20MB  | 
 (1) 4M x 36  | 
 (1) 1M x 36  | 
| 
 24MB  | 
 (1) 4M x 36  | 
 (1) 2M x 36  | 
| 
 32MB  | 
 (1) 8M x 36  | 
 None  | 
| 
 32MB  | 
 (1) 4M x 36  | 
 (1) 4M x 36  | 
| 
 33MB  | 
 (1) 8M x 36  | 
 (1) 256K x 36  | 
| 
 34MB  | 
 (1) 8M x 36  | 
 (1) 512K x 36  | 
| 
 36MB  | 
 (1) 8M x 36  | 
 (1) 1M x 36  | 
| 
 40MB  | 
 (1) 8M x 36  | 
 (1) 2M x 36  | 
| 
 48MB  | 
 (1) 8M x 36  | 
 (1) 4M x 36  | 
| 
 64MB  | 
 (1) 8M x 36  | 
 (1) 8M x 36  | 
| 
 Note: Memory installed in Banks 1 & 2 is interchangeable.  | ||
| 
 CACHE CONFIGURATION  | |||
| 
 Size  | 
 Bank 0  | 
 Bank 1  | 
 TAG  | 
| 
 128KB  | 
 (4) 32K x 8  | 
 None  | 
 Unidentified  | 
| 
 256KB  | 
 (4) 32K x 8  | 
 (4) 32K x 8  | 
 Unidentified  | 
| 
 512KB  | 
 (4) 64K x 8  | 
 (4) 64K x 8  | 
 Unidentified  | 
| 
 VIDEO MEMORY CONFIGURATION  | 
| 
 Note: Board accepts 1MB/2MB video memory. The configuration is unidentified.  | 
| 
 CPU SPEED SELECTION  | |
| 
 Speed  | 
 W20  | 
| 
 25MHz  | 
 Pins 3 & 4 closed  | 
| 
 33MHz  | 
 Pins 1 & 2 closed  | 
| 
 40MHz  | 
 Open  | 
| 
 50iMHz  | 
 Pins 3 & 4 closed  | 
| 
 50MHz  | 
 Pins 1 & 2, 3 & 4, 5 & 6 closed  | 
| 
 66iMHz  | 
 Pins 1 & 2 closed  | 
| 
 75iMHz  | 
 Pins 3 & 4 closed  | 
| 
 100iMHz  | 
 Pins 1 & 2 closed  | 
| 
 133MHz  | 
 Pins 1 & 2 closed  | 
| 
 CPU TYPE SELECTION  | |||
| 
 Type  | 
 W2  | 
 W27  | 
 W28  | 
| 
 80486DX  | 
 Open  | 
 Open  | 
 Open  | 
| 
 80486DX2  | 
 Open  | 
 Open  | 
 Open  | 
| 
 SL80486DX2  | 
 Open  | 
 Open  | 
 Pins 2 & 3 closed  | 
| 
 AM486DX4 (2x)  | 
 Pins 1 & 2 closed  | 
 Open  | 
 Open  | 
| 
 AM486DX4 (3x)  | 
 Open  | 
 Open  | 
 2 & 3  | 
| 
 80486DX4 (2x)  | 
 Pins 1 & 2 closed  | 
 Open  | 
 Open  | 
| 
 80486DX4 (3x)  | 
 Open  | 
 Open  | 
 2 & 3  | 
| 
 AM486DX5  | 
 Pins 1 & 2 closed  | 
 Open  | 
 Open  | 
| 
 CPU TYPE SELECTION  | ||||
| 
 Type  | 
 W32  | 
 W34  | 
 W35  | 
 W36  | 
| 
 80486DX  | 
 1 & 2, 3 & 4  | 
 Open  | 
 1 & 2  | 
 Open  | 
| 
 80486DX2  | 
 1 & 2, 3 & 4  | 
 Open  | 
 1 & 2  | 
 Open  | 
| 
 SL80486DX2  | 
 1 & 2, 3 & 4  | 
 2 & 3  | 
 1 & 2  | 
 1 & 2  | 
| 
 AM486DX4 (2x)  | 
 1 & 2, 3 & 4  | 
 Open  | 
 2 & 3  | 
 Open  | 
| 
 AM486DX4 (3x)  | 
 1 & 2, 3 & 4  | 
 2 & 3  | 
 2 & 3  | 
 1 & 2  | 
| 
 80486DX4 (2x)  | 
 1 & 2, 3 & 4  | 
 Open  | 
 2 & 3  | 
 Open  | 
| 
 80486DX4 (3x)  | 
 1 & 2, 3 & 4  | 
 2 & 3  | 
 2 & 3  | 
 1 & 2  | 
| 
 AM486DX5  | 
 1 & 2, 3 & 4  | 
 Open  | 
 2 & 3  | 
 Open  | 
| 
 Note: Pins designated should be in the closed position.  | ||||
| 
 CPU VOLTAGE SELECTION  | |
| 
 Voltage  | 
 W1  | 
| 
 3.3v  | 
 Open  | 
| 
 5v  | 
 Closed  | 
| 
 BUS SPEED SELECTION  | ||
| 
 Speed  | 
 W7  | |
| » | 
 <= 33MHz  | 
 Open  | 
| 
 >33 MHz  | 
 Closed  | |
| 
 DMA CHANNEL SELECTION  | |||
| 
 Channel  | 
 W17  | 
 W23  | |
| » | 
 None  | 
 Open  | 
 Open  | 
| 
 0  | 
 Pins 1 & 2 closed  | 
 Pins 2 & 3 closed  | |
| 
 5  | 
 Pins 2 & 3 closed  | 
 Pins 1 & 2 closed  | |
| 
 SERIAL PORT 2 LOOPBACK SELECTION  | |||
| 
 Setting  | 
 W9  | 
 W10  | |
| » | 
 Normal  | 
 Open  | 
 Open  | 
| 
 Loopback  | 
 Closed  | 
 Closed  | |
| 
 SERIAL PORT 2 SELECTION  | ||||||
| 
 Setting  | 
 W8  | 
 W11  | 
 W12  | 
 W13  | 
 W14  | |
| » | 
 RS-232  | 
 Open  | 
 1 & 2  | 
 1 & 2  | 
 1 & 2  | 
 1 & 2  | 
| 
 RS-485  | 
 Closed  | 
 2 & 3  | 
 2 & 3  | 
 2 & 3  | 
 2 & 3  | |
| 
 Note: Pins designated should be in the closed position.  | ||||||
| 
 FLOPPY DRIVE EDOUT SELECTION  | ||
| 
 Setting  | 
 W30  | |
| » | 
 Left to software  | 
 Open  | 
| 
 Ground to pin 17 on J4, EDOUT to pin 29 on J4  | 
 Pins 1 & 3, 2 & 4 closed  | |
| 
 Ground to pin 29 on J4, EDOUT to pin 17 on J4  | 
 Pins 1 & 2, 3 & 4 closed  | |
| 
 FLOPPY DRIVE HDOUT SELECTION  | ||
| 
 Setting  | 
 W31  | |
| » | 
 Left to software  | 
 Open  | 
| 
 Ground to pin 27 on J4, HDOUT to pin 33 on J4  | 
 Pins 1 & 3, 2 & 4 closed  | |
| 
 Ground to pin 33 on J4, HDOUT to pin 27 on J4  | 
 Pins 1 & 2, 3 & 4 closed  | |
| 
 BASE I/O SELECTION  | ||
| 
 Address  | 
 W16  | |
| » | 
 190H  | 
 Pins 1 & 2, 3 & 4 closed  | 
| 
 290H  | 
 Pins 1 & 2 closed  | |
| 
 390H  | 
 Pins 3 & 4 closed  | |
| 
 390H  | 
 Open  | |
| 
 VGA CONTROLLER SELECTION  | |||||
| 
 Setting  | 
 W3  | 
 W4  | 
 W5  | 
 W6  | |
| 
 Enabled  | 
 Closed  | 
 Pins 1 & 2 closed  | 
 Closed  | 
 Pins 1 & 2 closed  | |
| » | 
 Disabled  | 
 Open  | 
 Pins 2 & 3 closed  | 
 Open  | 
 Pins 2 & 3 closed  |