UNIDENTIFIED
ET4000VL-BUS
| 
 Category  | 
 Video  | 
| 
 Video Types Supported  | 
 XVGA  | 
| 
 Video Processor  | 
 Tseng Laboratories ET 4000  | 
| 
 Highest Resolution Supported  | 
 1280 x 1024  | 
| 
 Data Bus Type  | 
 32-bit VESA local bus  | 
| 
 Memory Type  | 
 DRAM  | 
| 
 Maximum Onboard Memory  | 
 1MB  | 
| 
 CONNECTIONS  | |||
| 
 Purpose  | 
 Location  | 
 Purpose  | 
 Location  | 
| 
 15-pin analog video port  | 
 CN1  | 
 VGA feature connector  | 
 CN2  | 
| 
 INTERRUPT SELECTION  | |
| 
 IRQ2  | 
 JP8  | 
| 
 Enabled  | 
 Close  | 
| 
 Disabled  | 
 Open  | 
| 
 ISA VGA BIOS  | |
| 
 Setting  | 
 JP9  | 
| 
 Enabled  | 
 Close  | 
| 
 Disabled  | 
 Open  | 
| 
 LOCAL BUS VGA CONFIGURATION  | ||
| 
 Setting  | 
 JP1  | 
 JP4  | 
| 
 Enabled  | 
 Closed  | 
 Closed  | 
| 
 Disabled  | 
 Open  | 
 Open  | 
| 
 MIN/IO CYCLES  | |||
| 
 MIN T2 MIO=1  | 
 MIN T2 MIO=1  | 
 JP2  | 
 JP3  | 
| 
 1  | 
 1  | 
 1  | 
 3  | 
| 
 2  | 
 4  | 
 1  | 
 0  | 
| 
 3  | 
 3  | 
 0  | 
 1  | 
| 
 4  | 
 4  | 
 0  | 
 0  | 
| 
 FACTORY CONFIGURED SETTINGS - DO NOT ALTER  | |
| 
 Jumpers  | 
 Settings  | 
| 
 JP5  | 
 Unidentified  | 
| 
 JP6  | 
 Unidentified  | 
| 
 JP7  | 
 Unidentified  | 
| 
 Note: JP5-7 control clock IC frequency  | |
| 
 DRAM CONFIGURATION  | |||
| 
 Size  | 
 Bank 0  | 
 Bank 1  | 
 Bank 2  | 
| 
 256KB  | 
 (2) 256 x 4  | 
 None  | 
 None  | 
| 
 512KB  | 
 (2) 256 x 4  | 
 (2) 256 x 4  | 
 None  | 
| 
 1MB  | 
 (2) 256 x 4  | 
 (2) 256 x 4  | 
 (4) 256 x 4  |