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SM A203/231/A232 19-3
A230/A231/A232 Fax Modem Firmware and Fax SRAM Backup
Modem
Program modem firmware using the address and length settings as shown below.
You cannot program other data on the card once the modem firmware has been
programmed.
SRAM
Using Fax SP mode, you can make a backup of SRAM data onto the 4MB flash
memory card. This will help you set up multiple machines with fax options with the
same settings, or will help you restore user data if the SRAM data has been erased
accidentally.
To save the SRAM backup data from a fax unit on a 4MB flash memory card as a
file, or to program a backup file from a PC onto a 4MB flash memory card, use the
address and length settings as shown below.
000000
1FFFFF
3FFFFF 4 M B
2 M B
200000
M o d e m
SRAM (FCU)
000000
1FFFFF
3FFFFF
200000
S R A M
(FCU+EXSAF)
2 0 0 0 0 0 Start Address (Hex)
Length (Hex) 4 0 0 0 0
2 0 0 0 0 0
2 0 0 0 0
[Hex] [Hex] M o d e m
S R A M
(FCU)
S R A M
(FCU+EXSAF)
2 0 0 0 0 0
A 0 0 0 0
240000 h
220000 h
2A0000 h
Size (kB) 2 5 6 1 2 8 128 + 512
SwapBox

And
SwapFTL

OPERATION