The problems with the usb 3.0 controller in the Series 8 chipsets by Intel recognized. Previously gave the company not to make statements about rumors about unreleased products. Now the company admits that there are problems and there is a new stepping announced.
The Series 8 motherboards, a new chipset on the board, which, however, a bug in the usb 3.0 controller appears to have. When that bug came to light, wanted Intel not substantively respond and gave the company to the introduction of the Haswell-procesors and related chipsets, in any case, do not postpone. Now Intel has the problem formally through a Product Change Notification recognized, as noted Heise. The company has indicated that a new C2 stepping of the chipset, or platform controller hub, the problem will resolve.
The new stepping would be from July 15, only to manufacturers to be delivered, while 30 July as the last date is indicated. Until that time, will the C1 stepping of the chipset will be delivered. The processors on the new chipset hear the Haswell processors, which is expected early July will be introduced. The first motherboards and laptops with that processor are provided, with the C1-stepping, including the usb-bug of the chipset will be supplied.
The bug in the usb controller cause usb 3.0-devices not always correctly detected when a laptop or desktop pc from the S3 sleep state wakes up. The C1 and C2 steppings are distinguishable by their change in the Revision ID from 04h to 05h. The Haswell-based motherboards for desktops with a Series 8 chipset the chipset Z87, H87, B85, Q87 and Q85 on board; laptops with QM87, HM87 and HM86 chipset and serverborden with the chipset C222, C224 and C226 gain in July, the new stepping. The motherboards with new steppings get a different S-spec identifier.
Desktop-pchC1-stepping S-SpecC2-stepping S-Spec
DH82Q87
SR137
SR173
DH82Q85
SR138
SR174
DH82H87
SR139
SR175
DH82Z87
SR13A
SR176
DH82B85
SR13C
SR178
Laptop-pchC1-stepping S-SpecC2-stepping S-Spec
DH82QM87
SR13G
SR17C
DH82HM87
SR13H
SR17D
DH82HM86
SR13J
SR17E