On 11/25/07, Adam Sulmicki <sulmicki at gmail.com> wrote: > > FWIW, > > at this point I'm fairly certain that this scanner uses SQ SCAN11 chip. > Since no sane scanner at this point support this chip, I guess it makes the > case pretty hopeless. > > data so far : > > NAME: "Microtek ScanMaker 4900" aka "USB2400 Scanner" aka "D9" > TYPE: MRS-2400L48U > USB ID: 05da:30d9 > > Circuit Board : > LYNX-0110 REV-A(20301) > the ram chip : > EliteMT M11L416256SA-35J DZC2HBP50 0208 > the big chip (U2) : > MII S11 A212-0400 E2M11 > > at this point I believe that those chips are equivalent : MII S11 aka SCAN11 > aka SQ11 > > http://www.sq.com.tw/english/product/scanner.htm > SCAN11 > * Plug in USB2.0/ Embedded USB1.1 > * IEEE1394 > * Motor PWM > * 16 bits 30M A/D >
it's never completely hopeless, you can get a trace of the windows driver in action, and reverse engineer the protocol. its just a question of how much time you want to spend, and how much C-fu you have. generally, the cheaper the scanner, the more difficult the driver is to write. allan -- "The truth is an offense, but not a sin"
