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# 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
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|------------------------+----------+-------------+----------|
| 15-pin analog video | CN1 | VGA feature | CN2 |
| port | | connector | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| 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. |
+------------------------------------------------------------+