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AR# 10897

3.1i XST - "ERROR:NgdBuild:432 - logical block 'ram_instance' with type 'RAM64X2S_1' is unexpanded"

Description

Keywords: RAM16X2S_1, RAM16X4S_1, RAM16X8S_1, RAM32X2S_1, RAM32X4S_1,
RAM32X8S_1, RAM64X2S_1, unexpanded, NGDBuild, 432, XST, infer

Urgency: Standard

General Description:
When XST infers the following RAM, it will put the wrong ports on the Block RAM, causing
unexpanded errors when the design is run through Translate:

RAM16X2S_1
RAM16X4S_1
RAM16X8S_1
RAM32X2S_1
RAM32X4S_1
RAM32X8S_1
RAM64X2S_1

Solution

The problem is fixed in the latest 3.1i Service Pack available at:
http://support.xilinx.com/support/techsup/sw_updates. The first
service pack containing the fix is 3.1i Service Pack 7.

AR# 10897
Date Created 01/31/2001
Last Updated 08/19/2002
Status Archive
Type General Article