/* Imported from Wayback Machine
   Original URL : https://www.retrobrewcomputers.org/doku.php?id=boards%3Asbc%3Asbc_v2%3Astart
   Snapshot date: 2026-03-05
   Generator    : wayback-archiver
*/

==== Table of Contents ====

[[#sbc_v2|SBC V2]]

[[#features|Features]]

[[#software_support|Software Support]]

[[#version_history|Version History]]

====== SBC V2 ======

The SBC V2 is a Zilog Z80 processor board. It's a 100x160mm board that is capable of functioning both as a standalone SBC or as attached to the ECB bus.

Previously known as the N8VEM SBC, development began in 2006 wth V1 and is currently still in development.

For most people, the [[boards:sbc:sbc_v2:sbc_v2-004|SBC-V2-004]] offers the most convenience and functionality.

|{{https://www.retrobrewcomputers.org/lib/exe/fetch.php?w=200&h=149&tok=610c28&media=https%3A%2F%2Fwww.retrobrewcomputers.org%2F%2Flib%2Fplugins%2Fckgedit%2Ffckeditor%2Fuserfiles%2Fimage%2Fboards%2Fsbc%2Fsbc_v2%2Fphotos%2Fbuilt-up-sbc-v2.jpg?200x149|www.retrobrewcomputers.org_lib_plugins_ckgedit_fckeditor_userfiles_image_boards_sbc_sbc_v2_photos_built-up-sbc-v2.jpg}}|{{https://www.retrobrewcomputers.org/lib/exe/fetch.php?w=250&h=161&tok=02f434&media=https%3A%2F%2Fwww.retrobrewcomputers.org%2Flib%2Fplugins%2Fckgedit%2Ffckeditor%2Fuserfiles%2Fimage%2Fboards%2Fsbc%2Fsbc_v2%2Fsbc_v2-004%2Fgallery%2Fsbc-v2-004z.png?250x161}}|{{https://www.retrobrewcomputers.org/lib/exe/fetch.php?w=250&h=161&tok=f6a591&media=https%3A%2F%2Fwww.retrobrewcomputers.org%2Flib%2Fplugins%2Fckgedit%2Ffckeditor%2Fuserfiles%2Fimage%2Fboards%2Fsbc%2Fsbc_v2%2Fsbc_v2-005%2Fgallery%2Fsbc-v2-005f.png?250x161}}|
|[[boards:sbc:sbc_v2:sbc_v2-003|sbc-v2-003A]]                                                                                                                                                                                                                                                                                                                                    |[[boards:sbc:sbc_v2:sbc_v2-004|sbc-v2-004]]                                                                                                                                                                                                                      |[[boards:sbc:sbc_v2:sbc_v2-005|sbc-v2-005f]]                                                                                                                                                                                                                     |

\\

===== Features =====

4Mhz+ Zilog Z80 CPU.

Up to 512Kb paged SRAM.

Up to 1Mb EPROM or 512Kb Flash ROM.

Serial Interface.

IDE interface.

Real Time Clock.

Onboard sound.

Battery backup for RTC and SRAM via super capacitor.

Standard ECB bus interface.

+5V power connector for Single Board Computer operation.

Reset button.

Status LED.

===== Software Support =====

[[software:firmwareos:romwbw:start|ROMWBW]] BIOS featuring:

CP/M / ZSDOS

RAM & ROM disk support.

ROM based BASIC, FORTH and Monitor.

Prebuild disk images

ROMWBW Eurocard expansion board driver support:

RAMFLOPPY

VDU

CVDU

VGA3

Zilog Peripherals

USB FIFO

Disk I/O

4PIO

SCG

DSKY

DUAL SD CARD

MF-PIC

====== Version History ======

^Version                                    ^Details         ^Key feature                                                                          ^
|[[boards:sbc:sbc_v2:sbc_v1|SBC V1]]        |Initial version |Runs as Single Board Computer or on Euro Card Bus.                                   |
|[[boards:sbc:sbc_v2:sbc_v2-003|SBC V2-003]]|Enhanced version|Battery backed RAM support, Serial jumper options, RAM and ROM configuration options.|
|[[boards:sbc:sbc_v2:sbc_v2-004|SBC V2-004]]|Extended version|IDE connector, sound, Clock speed control, Super capacitor for RAM and RTC backup.   |
|[[boards:sbc:sbc_v2:sbc_v2-005|SBC V2-005]]|In development  |1Mb Flash support.                                                                   |

\\