Vector 4 - Page 21

VECTOR GRAPHIC, INC.
DISK CONTROLLER AND DISK DRIVES
The Vector 4 can use several different disk drive configurations. These include one 5
1/4 inch floppy and one 5 1/4 inch hard disk, or two 5 1/4 inch floppies. The following
chart gives the specifications for the individual drives.
Drive Type Specifications
5 1/4 inch Floppy Capacity- 630 Kilobytes
Transfer Rate- 250 Kilobits/sec
Rotation Speed- 300 RPM
5 1/4 inch Hard
Disk Capacity- 5 Megabytes
Transfer Rate- 5 Megabits/sec
Rotation Speed- 3600 RPM
YIDEO AND CRT
Screen Size 12 in. diagonal CRT
Resolution 312 lines
Green Phosphor (P31) |
Alphanumeric Mode 24 lines x 80 characters
Each character consists of 16h x
13v pixels (B & W Monitor)
High Resolution Mode 640h x 312v pixels (B & W
‘ Monitor) |
Gray Scale Mode 160h x 312v pixels
16 Levels of Gray (B & W or RGB
Monitor)
Color Scale Mode (RGB Monitor)
160h x 312v (8 colors)
320h x 312v (any 4 of 8 colors)
Bandwidth 25 MHz
External Controls Contrast
Internal Controls Vertical Hold
Vertical Height
Vertical Linearity
Vertical Centering
Focus -
Brightness
Horizontal Centering
I 14 7200-0001 09-01-82