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@807F.ADF MDSI / JURDA 17-Zoll Video Adapter
Fixed resources only
@807F.ADF MICRO DISPLAY SYSTEMS Video Adapter
Different name, single choice only, different address range
@807F.ADF MICRO DISPLAY SYSTEMS Video Adapter
More options (power on condition), different address range
@8080.ADF Control Systems Artist 10/16 VGA
Possibly the same adapter - more info HERE.
GENIUS1.ZIP The Genius MCA(tm) Software Drivers 1.4 1/2
GENIUS2.ZIP The Genius MCA(tm) Software Drivers 1.4 2/2
Zipped files only. Sourced from mpoli.fi (archived)
Early MDSI Adapter (yjfy.com)
MDSI Genius Display (seasip.info)
Genius MC Sale announcement (Computerworld, 9 May 1988)
Genius Monitor comparison (15", mono, 736x1008) (InfoWorld, 22 Feb 1988)
MDSI Adapter
Adapter ROM
Adapter ID Confusion
Photos and ROM dump provided by Ando Lilleleht. Thx!
MDSI Adapter
MICRO DISPLAY SYSTEMS INC.
![[P]](/other/img/photo.gif "Front")
CP1 53.2160 MHz osc
CP3 59.8680 MHz osc
P1 DE9 Video connector
RP1 Pads for 5-pin header
SP1 "spare" position
U? LSI L1A3728 450040 MDSI *M*
U9 "deadbug" 74F174 w/ bodgewires
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U10 DIP16 solder pads
U14,28,29,37 Am93L422PC 256x4 TTL RAM
U26,40 8Kx8 SRAM
U30-33 NEC µPD41264V-15 64Kx4 VRAM
U39 Adapter ROM
U46 Power device solder pads
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U26,40
Motorola MCM60L64P12,
Hitachi HM6264ALP-12,
or compatible 8Kx8 SRAM
The rest of the board is filled with glue logic (74xx, PALs).
The (2) known samples were manufactured in 1988.
Adapter ROM
Device: 1x D27128A-1 16Kx8 EPROM
MDSI_440026 Not a video BIOS, contains only fonts.
Adapter ID Confusion
Ando Lilleleht said:
It shows the POS ID of the adapter as 807F. However, when I
scrolled through the adapter picture
collection, I noticed that it looks exactly like the
adapter with ID 8080 (Micro Display /
Control Systems Artist 10/16 VGA).
| ![[P]](MDSI_Photo_Front.jpg "Front"){kind=small}
![[P]](MDSI_Photo_Back.jpg "Back"){kind=small}
