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@8100.ADF Ahead VGA Eagle Display Adapter
Custom ADF created by Ryan Alswede based on the C&T F82C451 documentation.
@8100.ADF VGA Eagle and VGA Eagle-CV
We don't have the original ADF file for this adapter. Do you? Let Us Know!
Ahead V5000 Programming
(extracted from Advanced Programmer's Guide to SuperVGAs)
Ahead VGA Eagle Rev. D
Ahead VGA Eagle BVE Rev. C
Video ROM
Ahead VGA Eagle Rev. D FCC ID FWJ4RNEAGLE
![[P]](/other/img/photo.gif "Front")
J5 DB15 Video connector
J7,8 3-pin jumper
U1-4,6-9 256Kx4 DRAM
U14 Ahead V5000-50PC-B
U17 25.175 / 28.322 MHz dual osc
U18 44.900 / 40.000 MHz dual osc
U19 Pads for osc
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U22 Video BIOS ROM
U26 Triad Semi TR9C1710-50PCA RAMDAC
U32 65.000000 MHz osc
W1 2x2-pin jumper
W2,3 2-pin jumper
Y1 Pads for xtal
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U1-4,6-9 staggered DIP18/20 sockets (one
or the other socket variant may be missing). 256Kx4 DRAM,
NEC D424256C-70 or equivalent.
U14 Ahead V5000-50PC-B - pin-compatible
alternative to C&T F82C451
(possibly rebadged)
Ahead VGA Eagle BVE Rev. C FCC ID FWJ4RNEAGLE
J2 Pads for 6-pin header
J5 DB15 Video connector
J7,8 3-pin jumper
U1-4,6-9 256Kx4 DRAM?
U14 Ahead V5000-50PC-B
U17 56.6440 MHz osc
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U18 44.900 / 40.000 MHz dual osc
U19 50.350 MHz osc
U22 Video BIOS ROM
U26 Triad Semi TR9C1710-50PCA RAMDAC
W1-3,7,8 2-pin jumper
W4-6 Pads for 2-pin jumper
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U1-4,6-9 staggered DIP18/20 sockets (one
or the other socket variant may be missing). 256Kx4 DRAM?
U14 Ahead V5000-50PC-B - pin-compatible
alternative to C&T F82C451
(possibly rebadged)
Note: This is a BVE adapter
- a rather unusual one at that. Most BVE adapters lack the MME portion of the
MCA fingers, resulting in a wide gap between the base (8-bit) portion and the
BVE extension. Not here, so at first glance it looks more like an AVE
adapter.
Video ROM (dumped by David Beem)
Device: 1x 27C256 32Kx8 EPROM
Eagle203 AHEAD SYSTEMS INC., EAGLE-II BIOS VER 2.03 (16k bytes), COPYRIGHT 1990 (Rev. D card)
Less than 16K actually used; no fonts
Eagle300 AHEAD SYSTEMS INC., EAGLE-III BIOS VER 3.00, COPYRIGHT 1990 (BVE Rev. C card)
Aprrox. 28K used; contains fonts
| ![[P]](Ahead_VGA_Eagle_Rev_D_Photo_Front.jpg "Front"){kind=small}
![[P]](Ahead_VGA_Eagle_Rev_D_Photo_Back.jpg "Back"){kind=small}