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Thread View: comp.sys.zenith
1 messages
1 total messages Started by Ted Goldstein Mon, 01 Apr 1991 18:50
Re: Upgrading Memory in Z-248
#573
Author: Ted Goldstein
Date: Mon, 01 Apr 1991 18:50
27 lines
2048 bytes

>I am trying to upgrade the memory in my Z-248-12 (model ZBF-2526-EK)
>Is there an undocumented jumper or sitch somewhere to tell the system what
>kind of SIMMS are installed? Any other suggestions? My attempts to
>talk to Zenith technical support have failed for the last 3 days.

I finnaly got through to Zenith Tech Support and got my answer, so 
I thought I would share it for other 248 owners. Apparantly the 248
motherboard has a jumper which tells it if there are 1 Meg or 256K 
SIMMS in the first 4 SIMM slots. On my mother board the jumper is J103,
but the Tech first told me J102 which apparantly was the number on 
a earlier revision of the motherboard. Since my board had no J102,
I would suggest that if you have a J102, try it first, and if not then 
use J103. For J102: positions 1-2 mean 1 Meg SIMMS but for J103: 
positions 2-3 mean 1 MEG SIMMS.
I hope this information proves usefull to someone else out 
there, it sure would be nice if it were in the manual that came with
the PC. 

-------------------------------------------------------------------------------
|Ted Goldstein                          | E-mail: du4@mace.cc.purdue.edu      |
|Network and Systems Admninistrator     | Phone : (317) 494-9070              |
|Purdue University School of Technology | Office: Knoy Hall, Rm G009          |
|-----------------------------------------------------------------------------|
|Philosophy's alright, when you have a house to think about it in-Arlo Guthrie|
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