Data 1/0 Expansion Ram Board?

From: Joe R. <>
Date: Wed Jan 21 08:25:19 2004

Hi Bruce,

  The PAL next to the SIMM sockets is pn 324-1737-002. The one next to the
corner is pn 324-1736-001. I will post a picture later if you still need it.


At 03:55 PM 1/20/04 -0800, you wrote:
>Hi, Joe,
>*********** REPLY SEPARATOR ***********
>On 20-Jan-04 at 17:46 Joe R. wrote:
>>Found this today. It's about 6 1/2" x 7" and has 8 30 pin SIMM sockets
>>and a 60 pin ribbon cable header on it. It's marked 701-2214-001. Does
>>anyone know which Data I/O machine it's for?
> The 60-pin header is a giveaway. That's either the 4MB or 8MB memory
expander for the UniSite series (with the original controller board -- it
won't work on the later production units).
> Take a close look at the label on the PAL. It should have a Data I/O part
number on it. Tell me what that number is, and I can tell you which memory
size it will accommodate.
> It'll use standard 1Mx9 PARITY SIMMs. You MUST use parity, and (in most
cases) they must be the nine-chip type. Data I/O expander boards had
trouble with the three-chip type SIMMs.
>Bruce Lane, Owner & Head Hardware Heavy,
>Blue Feather Technologies --
>kyrrin (at) bluefeathertech do/t c=o=m
>"If Salvador Dali had owned a computer, would it have been equipped with
surreal ports?"
Received on Wed Jan 21 2004 - 08:25:19 GMT

This archive was generated by hypermail 2.3.0 : Fri Oct 10 2014 - 23:36:47 BST