I studied this thingy a bit and found some information here and there, so for the 7 and a half people that bought this, i'm posting here all the info you need without the need for you to scour the entire world wide web.
Please feel free to correct me and post your findings, i will update this thread everytime i find out something, enjoy your little old netbook!

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INFO, PROGRAMS AND HACKS !!!
official site: https://www.8086cpu.com/lm1/102.html
This document lists all the ways you can fix and enhance the Pocket8086.

---VARIOUS INFO---
@ !!! Software crashes and hangs because "use!umbs" driver is loaded, remove it from config.sys. (read below, *1)
@ !!! Upper Memory (UMB) IS CORRUPTED AND CAN'T WORK (read below, *1)
@ !!! USB DRIVER DOESN'T WORK (read below, *2)
@ The usb port can only read usb storage, you cannot currently plug in a keyboard or mouse.
@ There is no way to mute or change PC SPEAKER volume.
@ You can mute OPL3 by pressing FN+3, you can change the volume.
@ The two potentiometers in the back of the opl card are for regulating speaker L and R volume
but the interval is minimal and it has almost no effect, it is used to reduce speaker rattle.
@ There is no rtc, the clock works but resets after poweroff.
@ You CAN install windows 3.1, but only an early, real mode beta version. (build 034f)
@ If you want a gui that looks like Windows 95,
you can install New Deal Office 2000, but it needs a custom kernel. (read below, *3)
@ There is no way to speed up the mouse pointer.

---How to install operating systems?---
You can't boot from USB or add a Floppy Drive, but you can install freedos,
svardos and IBM PC DOS 2000 (and much more) by installing them in Dosbox-x
on a Virtual HDD (img file, use "imgmake -t hd_250" on dosbox)
then flash the IMG on the CF card with RUFUS.

I suggest installing IBM PC-DOS 2000, it occupies less memory, it resolves y2k bug
and it didn't give me any compatibility issues.
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___---!!!VERY IMPORTANT!!!!---___
*1) UMB IS CORRUPTED, IT DOESN'T WORK!
It crashes everytime a program loaded in umb uses the pc speaker.
Do NOT use "use!umbs" or any UMB manager!!
Re: Will the Book 8088 be a future classic?
http://www.vcfed.com/index.php?threads/book-8 … 1245155/page-32
https://github.com/SvarDOS/bugz/issues/167#is … ment-2817298742

*2) Built in USB DRIVER doesn't work, here is an improved one.
https://github.com/FreddyVRetro/CH375-USB-DRI … 22/CH375286.SYS
just add it to config.sys and remove the old driver.
device = c:\ch375286.sys @260 %0
(yes it says 286 but is supported and preferred for the Nec v30)
!!YOU HAVE TO CREATE A FAT16 PARTITION THAT IS MAX 2GB (reccommended 512mb)
Note, only some usb drives work, it's hit'n'miss. I think they have to be usb2.0 compatible.
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---SOFTWARE TWEAKS---
*3) New Deal Office 2000 (windows95 like gui) kernel to make it
compatible with nec v30. (and 8086/88)
https://archive.org/details/geos_20240815
New Deal office 3.x and Freegeos doesn't work.

freesp (to remove delay when calculating free space)
https://github.com/ChartreuseK/FREESP

cutemouse (mouse driver that doesn't eat memory)
https://cutemouse.sourceforge.net/

Enhanced doskey is a lighter and improved doskey
that gives you autocomplete and command history.
http://paulhoule.com/doskey/

SOFTHDDI is a software that emulates the clicking noise
of hard drives using the PC SPEAKER.
https://github.com/MobyGamer/softhddi

LxPic is a picture viewer for JPG, GIF, PCX, BMP and ICN
http://hplx.pgdn.de/
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---Thread that lists software that works on pc-xt. (8086/88/v20/v30)---
Known DOS Diagnostic, Repair, Backup/Recovery, FTP, Benchmarking & File Manager Software For 8086/88/186/188/286 Systems
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----TO DO LIST----
# find out which custom bios is compatible and how to flash it
# find out how to fix the umb bug (preferably via software\bios)