IMAGRAPH CORPORATION
V8 (VERSIONS A, B, C, D, & E)
| 
 Category  | 
 Video  | 
| 
 Video Types Supported  | 
 XVGA  | 
| 
 Video Processor  | 
 Trident  | 
| 
 Highest Resolution Supported  | 
 1280 x 1024  | 
| 
 Data Bus Type  | 
 16-bit ISA  | 
| 
 Memory Type  | 
 VRAM  | 
| 
 Maximum Onboard Memory  | 
 2048KB  | 
| 
 CONNECTIONS  | |||
| 
 Purpose  | 
 Location  | 
 Purpose  | 
 Location  | 
| 
 15-pin video port  | 
 J1  | 
 Daughterboard connector  | 
 P3  | 
| 
 EMULATION TYPE CONFIGURATION  | ||||
| 
 Type  | 
 Address  | 
 JP1  | 
 JP1A  | |
| » | 
 VGA/EGA with High Resolution  | 
 3DDh - 3DEh  | 
 Pins 1 &2 closed  | 
 Pins 1 &2 closed  | 
| 
 CGA with High Resolution  | 
 3DDh - 3DEh  | 
 Pins 2 & 3 closed  | 
 Pins 2 & 3 closed  | |
| 
 High resolution  | 
 3DDh - 3DEh  | 
 Pins 1 &2 closed  | 
 Pins 2 & 3 closed  | |
| 
 High resolution  | 
 30Dh - 30Eh  | 
 Pins 2 & 3 closed  | 
 Pins 1 &2 closed  | |
| 
 Note: Address setting 30Dh - 30Eh requires special device driver software for operation.  | ||||
| 
 MONITOR CONNECTOR SENSE CONFIGURATION  | |||
| 
 Setting  | 
 J8  | 
 J9  | |
| » | 
 Disabled  | 
 Pins 1 & 2 closed  | 
 Pins 1 & 2 closed  | 
| 
 Enabled  | 
 Pins 2 & 3 closed  | 
 Pins 2 & 3 closed  | |
| 
 Note: An optional microcode EPROM must be installed before Connector Sense can be enabled.  | |||
| 
 VGA DAUGHTERBOARD CONFIGURATION  | ||
| 
 Setting  | 
 J12  | |
| » | 
 Not installed  | 
 Pins 2 & 3 closed  | 
| 
 Installed  | 
 Pins 1 & 2 closed  | |
| 
 Note: This setting does not apply to versions B, C, D, or E.  | ||
| 
 BIOS SIZE SELECTION  | ||
| 
 Size  | 
 J10  | |
| » | 
 32K (VGA)  | 
 Pins 1 &2 closed  | 
| 
 16K (EGA)  | 
 Pins 2 & 3 closed  | |
| 
 Note: This setting does not apply to version B.  | ||
| 
 VIDEO INTERRUPT SELECTION  | ||
| 
 IRQ  | 
 S3  | |
| » | 
 10  | 
 Pins 3 & 4 closed  | 
| 
 2/9  | 
 Pins 9 & 10 closed  | |
| 
 11  | 
 Pins 5 & 6 closed  | |
| 
 12  | 
 Pins 7 & 8 closed  | |
| 
 Disabled  | 
 Pins 1 & 2 closed  | |
| 
 ALTERNATE I/O PORT ADDRESS SELECTION  | ||
| 
 Address  | 
 S6  | |
| » | 
 3xx  | 
 Pins 2 & 3 closed  | 
| 
 1xx  | 
 Pins 1 &2 closed  | |
| 
 Note: This setting does not apply to versions B or C.  | ||
| 
 DMA CHANNEL SELECTION  | ||||
| 
 DRQ  | 
 Dack  | 
 S5  | 
 S8  | |
| » | 
 7  | 
 7  | 
 Pins 1 & 2 closed  | 
 Pins 1 & 2 closed  | 
| 
 6  | 
 6  | 
 Pins 3 & 4 closed  | 
 Pins 3 & 4 closed  | |
| 
 5  | 
 5  | 
 Pins 5 & 6 closed  | 
 Pins 5 & 6 closed  | |
| 
 STRING I/O OPERATION CONFIGURATION  | ||
| 
 Setting  | 
 S14  | |
| » | 
 Disabled  | 
 Pins 2 & 3 closed  | 
| 
 Enabled  | 
 Pins 1 &2 closed  | |
| 
 Note: This setting does not apply to version B. Microcode EPROM and device driver software must be installed before I/O string operations can be enabled.  | ||