AST RESEARCH, INC.

AST 3G-PLUS II (202161-001)

Category                   Video
Video Types Supported      CGA, EGA, Monochrome
Video Processor            Western Digital
Highest Resolution         720 x 348
Supported
Data Bus Type              8-bit ISA
Memory Type                DRAM
Maximum Onboard Memory     256KB

[Image]

                                CONNECTIONS

       Purpose            Location          Purpose           Location

  15-pin analog             CN1         RCA video port          RCA1
  video port                            1

  32-pin feature             J1         RCA video port          RCA2
  connector                             2

  Light pen                  J2
  connector

                         VIDEO MODE CONFIGURATION

       Type           Resolution     SW1/1     SW1/2     SW1/3     SW1/4

  »       EGA         640 x 350       Off       On        On        Off

          CGA         320 x 200       On        On        On        Off

      Monochrome      640 x 350       Off       Off       On        Off

                            MONITOR AUTODETECT

                 Setting                               SW1/6

  »                Disabled                             Off

                   Enabled                               On

  Note: Enabling autodetect disabled switches SW1/1 through SW1/4.

                              AUTO EMULATION

                 Setting                               SW1/5

  »                Disabled                             Off

                   Enabled                               On

  Note: Auto emulation is used for Hercules and CGA emulation modes.

        FACTORY CONFIGURED SETTING

       Jumper              Setting

         E1           Pins 1 & 2 closed

                       MISCELLANEOUS TECHNICAL NOTE

       Note:The AST 3G-Plus II comes equipped with 64KB of memory and is
       upgradeable to 256KB. The type of memory used and the location of
       the Banks is unspecified in manufacturer documentation. Upgrade
       kits are available through AST.