POSITIVE CORPORATION
VGA-16
|
Category |
Video |
|
Video Types Supported |
XVGA |
|
Video Processor |
Unidentified |
|
Highest Resolution Supported |
1024 x 768 |
|
Data Bus Type |
16-bit ISA |
|
Memory Type |
DRAM |
|
Maximum Onboard Memory |
512KB |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
15-pin analog video port |
CN1 |
VGA feature connector |
CN2 |
|
VGA BIOS CONFIGURATION | ||
|
Setting |
JP1 | |
|
VGA BIOS Enabled |
Pins 1 & 2 closed | |
|
Remaps VGA BIOS |
Pins 2 & 3 closed | |
|
VGA TIMING CONFIGURATION | ||
|
Setting |
JP4 | |
|
Standard timing |
Pins 1 & 2 closed | |
|
Special timing |
Pins 2 & 3 closed | |
|
VGA MODE CONFIGURATION | ||
|
Setting |
JP6 | |
|
Color or Monochrome modes |
Pins 1 & 2 closed | |
|
Operation of two monitors & two video boards |
Pins 2 & 3 closed | |
|
VGA BIOS TYPE CONFIGURATION | ||
|
Setting |
JP7 | |
|
16-bit |
Pins 1 & 2 closed | |
|
8-bit |
Pins 2 & 3 closed | |
|
VGA ROM CONFIGURATION | ||
|
Setting |
JP8 | |
|
Paired video ROM (16-bit) |
Pins 2 & 3 closed | |
|
Single video ROM (8-bit) |
Pins 1 & 2 closed | |
|
DRAM CONFIGURATION | ||
|
Memory |
Bank 0 |
Bank 1 |
|
256KB |
(2) 256K x 4 |
None |
|
512KB |
(2) 256K x 4 |
(2) 256K x 4 |
|
FACTORY CONFIGURED - DO NOT ALTER | |
|
Jumper |
Position |
|
JP2 |
N/A |
|
JP3 |
N/A |
|
JP5 |
Open |
|
Note: Exact location of JP5 is unidentified. | |