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1993-09-01
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60 lines
Michael,
DAK's number is 800-788-7808, and the item number for
Microsoft Works Ultralite is 5826, currently sellnig for $29.90,
which includes the manuals, as you predicted.
Macronix's number is 800-432-1621, and they sell the serial cable
as part numbe MXA-000010, the MAXLITE/PC RS-232 cable, for $12.00.
The instructions for how to change the cluster size on your silicon
drive are as follows:
1. get all your files safely off the ultralite
2. pull out the silicon drive and wait 5 minutes to be sure it
has forgotten everything it knows
3. re-insert silicon drive, boot ultralite, perform the standard
disk init sequence "Initialize, Format, Setup Manager". In the event
you have problems with "NON-SYSTEM DISK" messages and the machine won't
boot, try using FILE MANAGER on D: to initialize C: then break out of the
FILE MANAGER and format C: without the /S switch that makes it a system
disk.
4. Now use laplink to get a disk sector editor onto the machine.
I am using "YASE.EXE", which I am sending to you with this
message.
5. Run YASE, tell it to use drive C, make sure you are
looking at sector 0.
6. Using the L key (press it 13 times), move to offset 00d, that's 13 in
decimal. It should currently say 08 as its value. This means 8
sectors-per-cluster, or 4K.
7. Use E (Edit cursor position) to change this value to 02, 2
sectors-per-cluster, which is 1K.
8. Using the L key (press it 9 times) move to offset 016, that's 22
in decimal. If you have a 1Meg drive, the value should currently
read 01; if you have a 2Meg drive it should currently read 02.
This value is the number of sectors in a FAT.
9. If you have a 1Meg drive, set the value to 03.
If you have a 2Meg drive, set the value to 08.
[Warning: I don't understand why this value matters, but I tested
my ultralite with a 2Meg drive but setting this value to 03 and
when I created lots of files the disk got corrupted. However, with
08 my machine seems to work fine. The parameters given above were
supplied to me by brian@theory3.caltech.edu.]
10. Write out sector 0.
11. Reboot the ultralite using control-alt-FUNCTION-delete to use drive D.
12. Perform the standard "Initialize, Format, Setup manager" sequence.
[Note: It seems odd to me, but this uses the values from sector 0; I
would have expected this procedure to start from scratch.]
13. Now try out drive C:, it should be using 1K blocks. You can tell this
by creating a short file and running DIR and looking at how much the
available space went down.
To use YASE.EXE for editing sector 0, hit C when it starts up to pick
drive C, then hit ? for help on using the keyboard commands.
Hope this helps,
--Jim O'Toole
Phone: 617-253-6018
Internet: otoole@mit.edu