![S100 Computers](../../../Header/S100_Banner.jpg)
Vector Graphic 8 Inch Floppy
Disk Controller
When it became
generally available Vector started using the Western Digital FDC chip moving
away from the less common Micropolis hard sectored disks to the more common soft
sectored format(s). They skipped the single density 1771 generation and moved
directly to the double density chip. They chose the true data lines input
1793 chip signals to the more common
1791/1795
chips. With the 1793 of course the board could deal with many disk formats. It
was IBM 3740 compatible in single density mode (FM) and System 34 compatible in
double density mode (MFM).
![VG 8INCH fdc](VG 8inch FDC.jpg)
Somewhat unusual
the board also contains a serial RS-232 I/0 port in the form of a 8251 USART
chip.
I cannot locate a manual for this board.
If anybody has a pdf file I will put it up here for people to review.
Other Vector Graphic S-100 Boards
Dual FD-HD Controller
FlashWriter-II
Bitstreamer-II
48K-RAM
64K-RAM
8080-Board
8K-RAM
EPROM
FDC Micropolis-FDC
Z80-Board
SBC
This page was last modified
on
01/08/2011