This is a portable computer based around NEC V30 processor and what
seems to be a proprietary Epson chip set.
The chip set provides a XT-class keyboard controller/PPI, controller for
two DD floppy drives, CGA-compatible video, one serial and one parallel
port. There's no datasheet for the chip set.
The machine has a 640x200 monochromatic LCD display, optionally backlit
and an external CRT connector. There can be up to two floppy drives,
one of them optionally connected to an external connector (shared with
the parallel port). There are physical switches to enable the external
CRT and floppy connectors.
There's a battery-backed RTC/NVRAM that holds configuration, including
backlight timeout, UART configuration and floppy types.
The machine has two expansion slots, half the pich of a regular 8-bit
ISA, but electrically compatible. Hard drive and modem adapters were
available, I don't have them.
The checksums of the ROM images are as follows:
SHA1(2d58397f81f006e7729648dd3720e3004e20ac36) =
roms/machines/elt/HLO-B2.rom
SHA1(8c06cd3905f71f15fec2a3759cea5b2c5dc602c3) =
roms/machines/elt/HLO-A2.rom
MCA PS/2: Added Model 60 (8-slot version of 50 with the same bios) and Model 65sx (essentially the same as 55sx but with a new bios and a secondary nvram a la 70-80 but limited to 2KB of size instead of 8KB).
MCA PS/2: Made the i486 cpu selection on only on Type 3 MCA models (70-80) and not Type 2 anymore, therefore the latter is limited to 386DX cpu's only.
This is a portable computer based around 80C86 processor and Chips &
Technologies chip set. It features a 640x200 monochromatic LCD display,
and up to two 720k 3.25" floppy drives.
It can optionally contain a hard drive controller along with 20M 3.25" MFM
hard drive in place of one floppy drives, which is not emulated yet.
Also not emulated is the expanded memory over 640K.
At least two versions of BIOS have been seen in the wild -- one from
89/09/04 another from 09/12/20.
The MD5 checksums of the ROM images (a pair of chips for each BIOS versions
and a character ROM) are as follows:
SHA1(ce39ab220de25bbd824dbd5c7411c88f3a8d7430) =
roms/machines/v86p/INTEL8086AWD_BIOS_S3.1_V86P_090489_Even.rom
SHA1(9b374cf5aa48186577293c3a83250cdc1aed7c9a) =
roms/machines/v86p/INTEL8086AWD_BIOS_S3.1_V86P_090489_Odd.rom
SHA1(57015c8b85aecb10890d4ddd4a0d133e1ba4ca49) =
roms/machines/v86p/INTEL8086AWD_BIOS_S3.1_V86P_122089_Even.rom
SHA1(1d3217e9fde7410167cd462ad82b360bf546b9d0) =
roms/machines/v86p/INTEL8086AWD_BIOS_S3.1_V86P_122089_Odd.rom
SHA1(59ff86fcfea479b02075c32da12c6c1579d71df5) =
roms/machines/v86p/v86pfont.rom
