PC-9821A-E02 (NEC)

High res board to plug into the local bus slot of mate-A.Display when using
1,120 x 750 dots screen · 16 colors · non-interlace display · 24 dots Ming type letter
It becomes.
It is compatible with Windows 3.1 but can not be used with Windows 95.The main body for use
H / N switch in the front switch case or setup menu
Select H with the H / N switch inside.This is N (meaning normal mode)
In this case, the high resolution mode will not be set even if this board is attached.
There is an Amphenol half 36 pin female printer connector on the back of the board.
When this board is attached, the printer output is this connector even in the normal mode
It is done from.
When used with PC-9821A-E01, the main unit -PC-9821A-E01-PC-9821A-E02-display
Connect the cable so that the signal flows.
There are two jumper switches on the board.The factory setting is short.Function unknown.

In high resolution mode, it is necessary to specify a boot drive.The specification of boot drive is
You can do this by pressing a specific key at startup or reset.Specified once
The boot drive that has been set does not change until the boot drive is changed.
[CTRL] + power on / reset ■ FDD
[ESC] + power on / reset ■ Fixed disk boot menu program starts
[f 1] + power on / reset ■ HDD first partition
[f · 2] + power ON / reset ■ the second partition of the HDD
............
............
[vf · 4] + power ON / reset ■ the 14th partition of the HDD
[vf · 5] + power ON / reset ■ the 15th partition of the HDD

※ CPU speed (L disappears), software dip switch in high resolution mode
　/ Setting by system setup menu, interrupt level, DMA channel,
　ROM address space and memory change automatically (value different from that in normal mode
　It may take a while) so be careful.