First post, by Stojke
- Rank
- l33t
I obtained two Suntac motherboards that house an integrated (soldered on) Siemens SAB 80286-12-B (date code 9047).
I would like to build an 286 system for some ZZT or something 😀
I found that it is this model from Stason - http://stason.org/TULARC/pc/motherboards/U/UN … ml#.Vd7RFhHou70
Onboard it has an IDE interface and an Floppy interface via an ACC Micro 3201. One of the boards also has an intel D80287-10 socketed.
It also has that weird RAM socket that requires me to solder pins onto SIMM memory, as well as sockets for extended memory in dip form.
Pretty much the board looks pretty cool and I would like to know a couple of things:
1. Being that this is my first 286 build I would like to know is 12MHz 286 sufficient for some basic games and stuff (like zzt) ? Which MS-DOS to use?
2. Does an FPU actually benefit anything? And is 10MHz enough?
3. Is the controller an XT-IDE or an AT-IDE ?
4. Is the floppy controller an 1.44MB one or an 720kB one?
5. How do I make / pimp the SIMM memory module to fit into these sockets? Should I solder on only one side or both?
6. Is this board stable, that is, is the chipset good?
7. And finally, can this board be pimped for more performance ?
I removed the batteries from both of the boards even though they were not leaking, but their voltage was 0.24V.
Interesting notice on them, they both lack the metal shield on the AT keyboard connector. Or is it XT I don't know yet.