张韡武 zhangweiwu at realss.com writes:
Hello. My old sparc server have a USB extension card, which provides two
USB slots at the back of the machine, driving a USB printer on Slot A.
This printer runs at heavy load. because it cannot print the documents
as fast as we need, I wish to add
Thank you for all the answers so far:)
Jarry explained the bandwidth a printer consume cannot be too high for
USB 2.0 slots. This knowledge is very helpful, however at this moment
the sparc box only have USB 1.x slot, driven by ohci, as I explained.
Richard Fish kindly explained the mechanism
This is really making me puzzle:
sappho ~ # lspci | grep USB
:02:02.0 USB Controller: NEC Corporation USB (rev 41)
:02:02.1 USB Controller: NEC Corporation USB (rev 41)
:02:02.2 USB Controller: NEC Corporation USB 2.0 (rev 02)
When the kernel boots it shows me that only ohci device
On 6/23/06, 张�|武 [EMAIL PROTECTED] wrote:Another small question I hope someone with professional knowledge can
help. I was told ECP/bidirectional printer cable can handle 2Mbps datatransfer, that seems to be suggesting using parallel cable is as good asusing USB1 cable (as USB1 is supposed to
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