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# INFORMTECH INTERNATIONAL, INC.
IT-VGA2
Category Video
Video Types Supported XVGA
Video Processor Tseng Laboratories
Highest Resolution Supported 1024 x 768
Data Bus Type 16-bit ISA
Memory Type DRAM
Maximum Onboard Memory 1MB
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|-----------------------+----------+--------------+----------|
| 15-pin analog video | CN1 | VESA feature | CN2 |
| port | | connector | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BIOS ADDRESS |
|------------------------------------------------------------|
| Address Range | J1 |
|-------------------------------+----------------------------|
| » | C0000h - C7FFFh | Pins 2 & 3 closed |
|---+---------------------------+----------------------------|
| | C0000h - DFFFFh | Pins 1 & 2 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| EARLY #MEMCS |
|------------------------------------------------------------|
| Setting | J2 |
|----------------------------+-------------------------------|
| » | Enabled | Pins 1 & 2 closed |
|---+------------------------+-------------------------------|
| | Disabled | Pins 2 & 3 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| PIXEL CLOCK DELAY |
|------------------------------------------------------------|
| Setting | J3 |
|----------------------------+-------------------------------|
| » | Normal | Pins 1 & 2 closed |
|---+------------------------+-------------------------------|
| | 20ns delay | Pins 2 & 3 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| INTERRUPT REQUEST |
|------------------------------------------------------------|
| IRQ9 | J4 |
|---------------------------------+--------------------------|
| » | Disabled | Open |
|---+-----------------------------+--------------------------|
| | Enabled | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| VIDEO MEMORY CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 |
|------------+---------------+---------------+---------------|
| » | 256KB | (2) 256K x 4 | NONE | NONE |
|---+--------+---------------+---------------+---------------|
| | 512KB | (2) 256K x 4 | (2) 256K x 4 | NONE |
|---+--------+---------------+---------------+---------------|
| | 1MB | (2) 256K x 4 | (2) 256K x 4 | (4) 256K x 4 |
+------------------------------------------------------------+