lord@leadsv.UUCP (Parker Lord) (03/29/90)
This is just a follow up to those of you who showed interest in the bare 2 Meg boards I found at a store in Scotts Valley CA called 'The Computer Room'. After one weekend of solder sucking and solder sockets and a few days of debugging a bad chip, I got the card to work in my 2000. I also had to add some 1K pullups to the DRAM side of the 2 LS245's on the card. It also works fine with my new GVP SCSI + 8 controller (with 0 Meg). I had found, like a lot of people who made the 1000 to 2000 upgrade, that there was no way for me to use the memory I had in my StarboadII. They weren't making the adapters any more and no one seemed to make a card to hold 256K x 1 DRAMs. I found out that these guys in Scotts Valley had some bare 2Meg cards that were designed for these chips and promptly drove up and got one. I was lucky enough to finally get it working since there was no gauruntee it would ever work. Now I just need to find someone who wants to buy any empty StarboardII! +--------------------------------------------------------------------------+ | // AA M M I GGGGGG AA | | Parker J. Lord // A A MM MM G A A | | lord@leadsv.UUCP // A A M M M M I G A A | | (415)-326-7539 \\ // AAAAAA M M M I G GGG AAAAAA | | \\ // A A M M I G G A A | | \\/ A A M M I GGGGGG A A | +--------------------------------------------------------------------------+
cfarmer@convex.com (Claude Farmer) (03/29/90)
lord@leadsv.UUCP (Parker Lord) writes: [ stuff deleted ] > I had found, like a lot of people who made the 1000 to 2000 upgrade, that >there was no way for me to use the memory I had in my StarboadII. They >weren't making the adapters any more and no one seemed to make a card to hold >256K x 1 DRAMs. Well, I just upgraded to a 2000HD and found the same problem. However, I did learn that Microbotics is offering a trade in on the StarBoard II. You ship them your StarBoard and receive a credit of $210 towards a 8-UP board. You also get an additional $8 for every 512k you have populated. So, if you trade in a full 2MB board, a new 2MB 8-UP will cost you $257. Not a bad deal. Another option is to upgrade to a 2000HD which uses the 2091 controller. It has sockets for 2MB of memory. So then you could sell your StarBoard II for about $250 (fully populated) and just by the 16 chips you need to fill the 2091. These are running $12-$14 a chip retail. So you are looking at about $190 to get the memory. Sorry, I don't remember the chip type but I think they are 1-megabit SIMMs. You can reach Microbotics at (214) 437-5330. Anyone want to buy a 2MB StarBoard II $250+shipping? Have fun... -- ---- Claude Farmer Convex Computer Corporation Richardson, Texas {uiucdcs,sun,uunet,harvard,killer,usenix}!convex!cfarmer Home: (214) 363-0987 convex!cfarmer@a.cs.uiuc.EDU Work: (214) 497-4732
stevem@sauron.Columbia.NCR.COM (Steve McClure) (03/29/90)
In article <100945@convex.convex.com> cfarmer@convex.com (Claude Farmer) writes: | [ stuff deleted ] | |Another option is to upgrade to a 2000HD which uses the 2091 controller. It |has sockets for 2MB of memory. So then you could sell your StarBoard II for |about $250 (fully populated) and just by the 16 chips you need to fill the |2091. These are running $12-$14 a chip retail. So you are looking at about |$190 to get the memory. Sorry, I don't remember the chip type but I think |they are 1-megabit SIMMs. | Actually, the chips are less than $9. I bought 2M for $130. They are 256Kx4 DIP's. All in all it is a very nice setup. Steve ----- Steve.McClure@Columbia.NCR.COM GO JACKETS!!! ICS '86 The above are my opinions, which NCR doesn't really care about anyway! CAUSER's Amiga BBS! | 803-796-3127 | 8pm-8am 8n1 | 300/1200/2400