PCSKB, PCSKB2 (EPSON)

A kind of local bus GA dedicated to PC-486 GF / GR / P. Expansion slot for PC-486 GF / GR
In the third slot, and in the second slot on the PC-486P
(Do not insert in other slots).
PCSKB (VRAM 512KB) is an S3 company 86C911, and PCSKB2 (VRAM 1MB) is an S3 company 86C924
Each is equipped.PCSKB is 1024 x 768 dots, similar to PCSKB2 by adding PCKBZM.
It becomes possible to display 256 colors.However, neither board is compatible with Windows 95.

Dip when using 1024 × 768 dots, 256 colors, non-interlaced display in PCS KB 2
Set the switch from the left to ON-OFF-OFF-ON-ON-ON.

This switch setting information is "Epson PC-486GR / GF rescue" issued by ASCII
Based on the description of the book.Switch settings for other screen modes so far
Is unknown.