CARDEXPERT TECHNOLOGY, INC.
CIRRUS LOGIC GD542X (VER. 4.2)
| 
 Category  | 
 Video  | 
| 
 Video Types Supported  | 
 XVGA  | 
| 
 Video Processor  | 
 Cirrus Logic GD542X  | 
| 
 Highest Resolution Supported  | 
 1280 x 1024  | 
| 
 Data Bus Type  | 
 32-bit Vesa Local Bus  | 
| 
 Memory Type  | 
 DRAM  | 
| 
 Maximum Onboard Memory  | 
 2MB  | 
| 
 CONNECTIONS  | |||
| 
 Purpose  | 
 Location  | 
 Purpose  | 
 Location  | 
| 
 15-pin analog video port  | 
 CN1  | 
 VGA feature connector  | 
 CN2  | 
| 
 INTERRUPT CONFIGURATION  | ||
| 
 IRQ 2/9  | 
 JP1  | |
| » | 
 Disabled  | 
 Pins 2 & 3 closed  | 
| 
 Enabled  | 
 Pins 1 & 2 closed  | |
| 
 MAIN MEMORY MAP DECODER SELECTION  | ||
| 
 Memory  | 
 JP2  | |
| » | 
 64MB  | 
 Pins 1 & 2 closed  | 
| 
 128MB  | 
 Pins 2 &3 closed  | |
| 
 RAMDAC SHADOW CONFIGURATION  | ||
| 
 Setting  | 
 JP3  | |
| » | 
 Disabled  | 
 Pins 2 & 3 closed  | 
| 
 Enabled  | 
 Pins 1 & 2 closed  | |
| 
 FACTORY CONFIGURED - DO NOT ALTER  | |
| 
 Jumper  | 
 Position  | 
| 
 S0  | 
 N/A  | 
| 
 S1  | 
 N/A  | 
| 
 DRAM CONFIGURATION  | ||
| 
 Size  | 
 Bank 0  | 
 Bank 1  | 
| 
 1MB  | 
 (8) 256K x 4  | 
 NONE  | 
| 
 2MB  | 
 (8) 256K x 4  | 
 (8) 256K x 4  | 
| 
 Note: DRAM chip size can also be 256K x 8 depending on the Cirrus Logic GD542X version you have. Relative location of Bank 0 & Bank 1 is unidentified by the manufacturer.  | ||