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.  | |||