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Can't boot from Sandisk on V5 (modified 1 times) Kludgemeister Profile I have two V5's, the older one with 540a BIOS and the new-to-me one with 541b BIOS (I can't find a 540a image anywhere any more...) I cannot get either one to boot from the Sandisk. The HD I am using has Win98SE installed. It lives in the "540a" i-o which I have had for several years. On the "new" i-o (which I bought from my wife's mom after it became too much of a hassle with Earthlink) I would like to run DOS from the Sandisk (sans HD) to send files to my engraving machine. I am temporarily swapping the HD between the two machines. I have used Ranish Partition Manager 2.40 to nuke the old Sandisk partitions, make one new FAT-16 partition and flag as bootable. I have tried formatting the new partition in RPM, and then sysing it from the command line, and also formatting /s from the command line. On both machines, the Sandisk is recognized (in both DOS and Win98SE when I boot from the HD to the command line or GUI) as d: and there is no problem reading and writing to it. The boot files are present on d: also. However in both cases, when I set the boot sequence to "D,A,SCSI" after POST the machines just sit there. Also, SMARTBOOT does not see a partition on the Sandisk, just the raw disk. It gives a "0x01" error when I try to boot from the raw Sandisk. SMARTBOOT has no problem booting from the raw HD (just as a test.) I've read all the Sandisk threads in the archives, and some external links to no avail. I have the feeling that there is something really basic that I'm missing here. Thanks for any advice or headthumping, Kludgemeister 08-20-2006 22:14:15

RE:Can't boot from Sandisk on V5 (modified 0 times) Kludgemeister Profile OK, I'll answer my own question. In Ranish Partition Manager the F4 key switches "display modes between Cylinder Head Sector (CHS) mode and Logical Block Addressing (LBA) mode." I had thought that was on-screen only, but apparently the "display" is how the HD displays its information to the OS. I switched the display to CHS and re-saved the partition table. Immediate success. (To complete things, from other threads also remember to set the HD type to "NORMAL" in the main BIOS screen even though the Sandisk is set to auto-type.) I now have a silent DOS-booting PC that can read my USB thumbdrive. I used the "motto hairu" USB driver (Google for mhairu.zip) with the config.sys: device=dos\himem.sys devicehigh=dos\emm386.exe device=mhairu\usbaspi.sys devicehigh=di1000dd.sys dos=high,umb (usbaspi.sys and di1000dd.sys are in mhairu.zip, and I put the "motto hairu" files in a directory called mhairu) Kludgemeister 08-23-2006 22:47:58

RE:Can't boot from Sandisk on V5 (modified 0 times) Kludgemeister Profile And an update. I did a little playing and found the following results: 523k conventional memory free (no himem or emm386, no "loadhigh"s) 585k conventional memory free (himem only, no "loadhigh"s) 575k conventional memory free (himem and emm386, "loadhigh"s) The last line in the above config.sys seems to be unnecessary with MS-DOS 7.01 (underpinning of Win98SE), since DOS loads high anyway. So my config.sys ended up as device=dos\himem.sys device=mhairu\usbaspi.sys device=mhairu\di1000dd.sys Kludgemeister 08-24-2006 18:03:08

RE:Can't boot from Sandisk on V5 (modified 0 times) Kludgemeister Profile [stupid BBS software, you get about a minute and a half to edit your post before you need to start a new one] The motto hairu USB driver seems to only recognize thumb drives below 1GB, but all the thumbs I've tested on it at 512MB and smaller work fine. The thumb drive is not hot-pluggable--it needs to be plugged in at boot to be recognized. But for my use that is fine--generate plot files on the desktop up in my office, take thumb drive down to garage/workshop, plug in and boot the iopener, send files to engraving machine, turn everything back off... Kludgemeister 08-24-2006 18:14:33

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