| Title: | AMIGA NOTES |
| Notice: | Join us in the *NEW* conference - HYDRA::AMIGA_V2 |
| Moderator: | HYDRA::MOORE |
| Created: | Sat Apr 26 1986 |
| Last Modified: | Wed Feb 05 1992 |
| Last Successful Update: | Fri Jun 06 1997 |
| Number of topics: | 5378 |
| Total number of notes: | 38326 |
Has anyone had any experience with a product called BaseBoard from
Expansion System (or Technology)? There is a listing in the recent
ABEL price list that describes this thing a 501 clone that comes with
0, 512K, 2M, or 4M of memory installed. The 4M version is only $409!
Is this thing subject to the same restrictions/problems if any that
were mentioned for the ProRAM or whatever that 1.8M board was in a
previous note? Are there restrictions on the amount of chip RAM I
could expand to in the future with an obese agnus chip?
Along the same vane. I have a bunch of 256K 150ns RAMs that I'm
debating using as expansion memory on my 500. My question is if the
above board doesn't pan out, what's the best choice for unpopulated
add-on memory boards that accept 256K chips? The ones I'm aware of are
the Spirit Insider and the Microbotics Starboard II.
I currently have a C-Ltd SCSI-500 host adapter and am concerned about
interactions and power requirements. Other than that, I'm looking for
the cheapest way to get to at least 2M if not 3+ megs.
-tl
| T.R | Title | User | Personal Name | Date | Lines |
|---|---|---|---|---|---|
| 3757.1 | Called the manufacturer | RLAV::LITTLE | Just trying to catch up | Tue May 15 1990 01:58 | 22 |
Well I called the manufacturer (Expansion Systems) and spoke to someone
named Richard who seemed quite knowledgable. He explained that they
connect into the Gary chip to get the extra address lines, so you have
to bend back a tab on the expansion bay's shield to get to the Gary
board. The first 1.8 Mbytes works by default and the remaining portion
sounds like it is in a fixed address space and needs to be addmem'd
or mergemem'd. Expansion Systems has tested it with autoconfig hard
disk controllers that included additional ram and had no problems. As
for power consumption, they'd also tested a 4 Mbyte board on a 500 with
2 1010 drives and had no problems using the stock power supply.
The board uses 256K x 4 DRAM's and consumes about the same power as the
standard A501 (since the 501 uses NMOS and the 256Kx4 chips are CMOS.)
It includes a clock and supports the fatter agnus chip giving a stock
500 with a 4 Mbyte Baseboard 1 Mbyte chip RAM and 3.5 Mbyte fast RAM!
They said they would match Abel's $377 price for the 4 Mbyte board.
I'm probably going to buy one. If other people are interested, I will
check about a quantity discount (although Richard felt that Abel's $377
price was pretty good.)
-tl
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