Peritek VCD-V, Руководство пользователя

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Peritek
2-16 Installing Your Peritek Graphics Board
2.4.6 DRAM and VRAM Size
The on-board 34020 DRAM and display memory VRAM are contained in
SIMMs (Single Inline Memory Module) and may be changed in the field.
Two pairs of jumpers allow for different size memories. The video
memory size is in pages, where one
page = 1024 x 1024 pixels.
On the VCD-V , the jumpers are part of jumper strip JP5.
Figure 2-6 VCD-V DRAM and VRAM Size and Autoboot Enable
GRD GRD GRD GRD GRD GRD GRD
D0 D1 V0 V1 resv resv BEN
RP4
On the VCT-V and VCU-V , the jumpers are part of jumper strip JP19:
Figure 2-7 VCT/VCU DRAM and VRAM Size
Lower edge of U27 - MACH230
GRD D1
GRD D0
GRD V1
GRD V0
GRD resv
The tables on the next page shows how to set the DRAM and VRAM
jumpers.
Note that for both the DRAM and VRAM tables, 0 = Jumper
Installed