This message is from the T13 list server.
On Tue, 28 May 2002 04:31:20 +0000, Steve Ambrose wrote: >This message is from the T13 list server. >When the device has received the number of words programmed in the sector >count register, it will de-asset DMARQ. But the host controller may not see >end of transfer and as a result the device may >end up receiving 2 to 3 extra words (depending on the UDMA mode) ? >Does the device treat this as an error condition ? Or does it >just discard these words ? The device is allowed to "ignore" the extra words (but those words are included in the CRC check). However, as has been describe many times before, a host that does not properly program its DMA engine is a BROKEN HOST. *** Hale Landis *** www.ata-atapi.com ***
