User manual

SGC Inc. SGC Building, 13737 S.E. 26th St. Bellevue, WA. 98005 USA
P.O.Box 3526, 98009 Fax: [phone] or 746-7173 Tel: [phone] or 1-800-259 7331
E-mail: [e-mail] Web site: http://www.sgcworld.com
also check that JP3 is set in the “BOOT BLOCK PROTECT” position
GND side.
•Shortly after reset, the Flash programming utility displays:
•This utility has several commands that can be displayed by entering a
“?” symbol.
•To start the ROMDISK update, select the “P” option (capital P) after
which the user is prompted with:
•At this point the user should have the new ROMDISK image on hand,
then enter “Y” (capital Y). After a short delay, the utility will report on
its progress as Flash blocks and memory cache are being erased.
•Following the erase step, the user is then prompted to start the XMO-
DEM download.
•Depending on the terminal program in use, activate the XMODEM
download. The filename to be downloaded are then entered and the
download procedure will continue for a few minutes. It is a good idea to
verify the download byte count statistics to make sure that everything
was transferred. Also check that the verification message from the pro-
gramming utility succeeded:
13
© 1999 SGC Inc
SGC Data Modem Flash Programming Utility V1.0
(c) Copyright 1996,1997 - Oregon Hardware-Software Factory
All rights reserved.
SGC_FL>P
Ready to update ROMDISK ? (Y/N)Y
Starting ROMDISK update ……
Verifying Flash against Memory Cache ….. OK
…… Erased Block #1
…… Erased Block #2
…… Erased Block #3
…… Erased Memory Cache
Start XMODEM download now …CCCC
SGC-FL>?
Sx - Set memory segment
Ax - Set memory address
R - Read & display memory
N - Increment address, read & display
Wx - Write byte to memory
Dx - Dump page of memory at x
P - Update ROMDISK
! - Update BIOS ... read !!!WARNING - DANGER!!!