Aapje.info

Sun MGA-1200

Well, i bought a MGA 1200…. We go further down in the rabbithole of SUN devices.

This one is locked, recal needed. Sofar i found the following:

Sun used the following password to get into the service menu’s:

  • 515324

And to skip the 15min delay on the start:

  • 123451

(Key 1 = 1, Key 2 = 2, e.t.c.)

Manuals

Created by Aapje:

Scanned/provided by Aapje:

Scanned by Fred:

Found on the web:

For mga 1400, which looks like the 1200 menu’s seem to be the same:

 

Picutures

 

I Connected up a printer via a LPT –> Gender changer –> LPT

Dumped roms of a 4.2 machine (without APK/MOT time-lock):

V4.2 MGA-1200 – Chip 1 – NM27C512@DIP28.BIN

V4.2 MGA-1200 – chip 2 – NM27C256@DIP28.BIN

Dumped roms of a 4.6 machine:

U2-chip MGA 1200 Aapje – 0703E1824-61 M27C256B.BIN

U2-chip MGA 1200 Aapje – 0703E1814-61 CPU Board.BIN