From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mailhost.rdmcorp.com ([204.225.180.10]) by pentafluge.infradead.org with esmtp (Exim 3.22 #1 (Red Hat Linux)) id 17oQZt-0008Ai-00 for ; Mon, 09 Sep 2002 16:35:53 +0100 Received: from PARKER (10.1.2.1) by mailhost.rdmcorp.com (Worldmail 1.3.167) for linux-mtd@lists.infradead.org; 9 Sep 2002 11:39:38 -0400 From: "Jack Lu" To: Subject: about CFI flash Date: Mon, 9 Sep 2002 23:33:13 -0400 Message-ID: MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Sender: linux-mtd-admin@lists.infradead.org Errors-To: linux-mtd-admin@lists.infradead.org List-Help: List-Post: List-Subscribe: , List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: Hi The CFI flash memory can enter CFI query mode when the system writes CDI Query command 0x98, to address 0x55,, any time the device is ready to read array data. My question is: The CFI flash memory can enter CFI query mode when the system writes CDI Query command 0x98, to address 0x55,, any time the device is ready to read array data , only when the falsh is erasend and in blank or even if the flash has been programed and the memory at address 0x55 coontains any data? Thanks.