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USBASPI.SYS Switches:
Here are the known valid switches identified so far with the Panasonic(TM) v2.xx USBASPI.SYS driver in CONFIG.SYS
device=USBASPI.SYS ]
You can specify more than one controller type (e.g. /e /u). This switch can also be used to force slower speed operation on high-speed USB controllers & devices.
The driver will scan for all types of USB controllers, so use these switches to specify which port types to enable. This allows for faster USB scanning. By specifying /u or /o and omitting /e, it forces Full-Speed mode on High-Speed devices. Note that you can't make a Low- or Full-Speed device run at High-Speed.
/e EHCI, for enabling only USB 2.0 controller
/o OHCI, for enabling only add-on/onboard USB 1.1 controller
/u UHCI, for enabling integrated USB 1.1 controller
In verbose mode. USBASPI displays details on controller type and USB devices it detects. It displays the vendor & product ID codes, the controller address range (memory map or I/O port map) of controllers, and the connection speed code for each device.
/v Verbose, shows USB details - excellent troubleshooting tool
These switches modify driver actions
/w Wait, displays prompt message to allow swapping/attaching of target USB device
/l# Luns, to specify highest number of LUN assigned, default /L0
/slow to enter SLOW down mode, gives longer delays when scanning USB devices
/nocbc NO Card Bus Controller, to disable detection of USB on CardBus slots
This switch is typically used on portable systems with an external USB floppy drive connected to the single USB port for boot-up. Used in conjunction with RAMFD.SYS so after the boot floppy is copied to a RAM drive, (and after the /W pause...) the USB floppy can be removed, and the target mass storage device can be attached and detected
/r Resident, allows driver to stay resident in memory when USB floppy drive is detected.
This switch is used to specify the UHCI I/O address. Use this if the PnP BIOS does not assign an I/O address, where xxx0 is in hexadecimal format.
/p=xxx0
There are a number of switches whose specific function is still unknown. Please post your discoveries in the USBMAN end-user forum, or the Computing.Net DOS forum.
/noprt * Have found that on Intel systems (which have UHCI), using this switch causes the system to hang while detecting host controllers. Could it be related to I/O port?
/norst
/f
Depending on the system processor, USB 2.0 host interface, USB bridge chip and actual harddisk specs, actual throughput may vary. The following were reported in DOS mode GHOST 2003 using Local -> Check -> Disk option:
1. NEC based USB 2.0 PCI card - over 300 MB/min
2. Intel chipset USB 2.0 onboard ports - over 500 MB/min
Differences in transfer rate may be due to sharing of PCI bus bandwidth and protocol overhead (on USB and PCI busses) vs. direct connection of a similiar device to a PC.
Note:
In case the driver reports an error "Cannot set memory mode I/O" please disable Legacy USB device support in system BIOS setup.
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