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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
![[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}
