Can a 386DX CPU work in a 386SX Motherboard?

Thread View: comp.sys.ibm.pc.hardware.misc

2 messages

[T] Back to Threads [V] Tree View [G] Group Articles

2 total messages Started by George Karas Tue, 22 Nov 1994 03:39

#209

Author: George Karas
Date: Tue, 22 Nov 1994 03:39

12 lines
1159 bytes

Hi

I have a 386SX Motherboard with no CPU and I would like to know if
a 386DX CPU can be used instead. 

The motherboard has serial, parallel and IDE ports on board
with 8 x 30Pin memory sockets so as 386 boards go it seems
to be quite modern.

Thanks for any hints.

George

Re: Can a 386DX CPU work in a 386SX Motherboard?

#210

Author: John Saunders
Date: Tue, 22 Nov 1994 07:29

19 lines
1813 bytes

George Karas (georgek@pta.pyramid.com.au) wrote:

> I have a 386SX Motherboard with no CPU and I would like to know if
> a 386DX CPU can be used instead. 

> The motherboard has serial, parallel and IDE ports on board
> with 8 x 30Pin memory sockets so as 386 boards go it seems
> to be quite modern.

I very much doubt it. An SX board is designed with 16 bit data paths
to memory and the chipset, the DX uses 32 bit paths. Unless the board
is specially designed to allow this then you are out of luck.

A number of 16 bit chipsets support both 386SX and 286 but not 386DX.
-- 
+----------------------------------------------------------------------------+
| John SAUNDERS - AARnet johns@rd.scitec.com.au - #include <stddisclaimer.h> |
| SCITEC Communication Systems - Phone +61 2 428 9541 - Fax +61 2 418 6954   |
+----------------------------------------------------------------------------+

Thread Navigation

This is a paginated view of messages in the thread with full content displayed inline.

Messages are displayed in chronological order, with the original post highlighted in green.

Use pagination controls to navigate through all messages in large threads.

Back to All Threads