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 |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
15-pin analog video port |
CN1 |
VESA feature connector |
CN2 |
|
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 | |