PEAKTRON COMPUTER, INC.
PVGA 2/4/8-DRAM (VERSION 1)
|
Category |
Video |
|
Video Types Supported |
CGA/EGA/Monochrome/VGA/XVGA |
|
Video Processor |
TVGA 8900 |
|
Highest Resolution Supported |
1024 x768 |
|
Data Bus Type |
16-bit ISA |
|
Memory Type |
DRAM |
|
Maximum Onboard Memory |
1024KB |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
15-pin analog video port |
CN1 |
VGA feature connector |
CN3 |
|
9-pin TTL video port |
CN2 |
|
|
|
FACTORY CONFIGURED SETTINGS | |
|
Switch |
Position |
|
SW1/4 |
On |
|
MONITOR TYPE SELECTION | |||
|
Type |
SW1/1 |
SW1/2 | |
|
VGA mode |
On |
On | |
|
EGA mode |
Off |
On | |
|
CGA mode |
On |
Off | |
|
MDA/Hercules mode |
Off |
Off | |
|
SCAN RATE SELECTION | ||
|
Rate |
SW1/3 | |
|
> 48KHz |
On | |
|
< 48 - 49KHz |
Off | |
|
ADDRESS DECODE SELECTION | ||
|
Setting |
SW1/5 | |
|
Fast |
Off | |
|
Slow |
On | |
|
VIDEO INTERRUPT SELECTION | ||
|
IRQ 2/9 |
J1 | |
|
Disabled |
Pins 2 & 3 closed | |
|
Enabled |
Pins 1 & 2 closed | |
|
BUS DATA PATH SELECTION | ||
|
BUS |
SW1/6 | |
|
16-bit |
Off | |
|
8-bit |
On | |
|
BUS SIZE DETECTION | ||
|
Setting |
J2 | |
|
Autodetect |
Pins 2 & 3 closed | |
|
Standard interface |
Pins 1 & 2 closed | |
|
DRAM CLOCK SELECTION | ||
|
Setting |
J4 | |
|
40mhz (2 DRAM) |
Pins 2 & 3 closed | |
|
48mhz (4/8 DRAM) |
Pins 1 & 2 closed | |
|
DRAM CONFIGURATION | |||
|
Size |
Bank 0 |
Bank 1 |
J3 |
|
256KB |
(2) 44256 |
NONE |
Pins 1 & 2, 4 & 5 closed |
|
512KB |
(4) 44256 |
NONE |
Pins 1 & 4, 2 & 5 closed |
|
1024KB |
(4) 44256 |
(4) 44256 |
Pins 2 & 3, 5 & 6 closed |
|
Note: The exact locations of banks 0 and 1 are unidentified. | |||