Compaq EP Series - Manual (Page 112)

6-4 Specifications
I/O Continued
I/O Address (Hex)System Function (Shipping Configuration)
0FA Unused
0FB 483/PGL Configuration Unlock
0FC - 0FF Unused
100 - 12F Unused
130 - 131 Unused
132 - 16F Unused
170 - 177 Reserved
15C - 15D Super I/O Index/Data Register
178 - 1EF Unused
1F0 - 1F7 Fixed Disk Controller
1F8 - 1FF Unused
200 Unused
201 Unused
202 - 21F Unused
220 - 22F Audio (Alternate = 240 - 24F, 260 - 26F, or 280 - 28F)
230 - 277 Unused
278 - 27F Reserved Parallel Port
280 - 2E7 Unused
2E8 - 2EF Reserved Serial Port
2F0 - 2F7 Unused
2F8 - 2FF Reserved Serial Port
300 - 317 Unused
318 - 319 Unused
31A - 36F Unused
370 - 377 Reserved
378 - 37F Parallel Port (Primary)
380 - 387 Unused
388 - 38B Unused
38C - 397 Unused
39A - 3AF Unused
3B0 - 3BB MDA, EGA/VGA
3BC - 3BF Reserved (Parallel Port)
3C0 - 3DF EGA/VGA
3E0 - 3E7 Unused
3E8 - 3EF Reserved (Serial Port)
3F0 - 3F7 Diskette Controller
3F8 - 3FF Serial Port (Primary)