---------------------------------------------------------------- Adapter type | ---------------------------------------------------------------- I/O Port | ---------------------------------------------------------------- IRQ | ---------------------------------------------------------------- Memory Address | ---------------------------------------------------------------- CPU Clock Rate | ---------------------------------------------------------------- Interface Type | ---------------------------------------------------------------- Clocking Mode | ----------------------------------------------------------------When selecting hardware options, consider the following:
This older adapter is not properly marked, however it is easy to distinguish from others as it is a long (full size) card with 8-bit ISA edge connector and sinlge DB-25 female port.
This is short (half size) card with 8-bit ISA edge connector and single DB-25 female port. Its type is marked near the port on the component side as well as on the etch side. Note that these adapters are marked ES502A, which may be confusing.
This is also short (half size) card with 8-bit ISA edge connector and single DB-25 female port. It is clearly marked on both sides of the printed circuit board.
This is short (half size) card with 16-bit ISA edge connector and two female ports - DB-25 and DB-9. It is clearly marked along its top edge on the component side and on the etch side of the printed circuit board.
cat /proc/ioports
Note however, that even if the ports you selected are not listed in the above command's output, their availability is not guaranteed.
The following I/O port options are available:
------------------------------------------------------ Adapter type I/O port options (hexadecimal) ------------------------------------------------------ S502A/S502E 250, 300, 350, 360 S503 250, 254, 300, 304, 350, 354, 360, 364 S508 250, 270, 280, 300, 350, 360, 380, 390 ------------------------------------------------------
cat /proc/interrupts
The following IRQ options are available:
-------------------------------------- Adapter type IRQ options (decimal) -------------------------------------- S502E 2, 3, 5, 7 S503 2, 3, 4, 5, 7 S508 3, 4, 5, 7, 10, 11, 12 --------------------------------------
SDLA driver is smart enough to find usable memory region automatically at initialization time. However, if you want to use specific memory region, make sure no other hardware (such as video cards, hard disk controllers, network adapters, etc.) uses the same or overlapping region.
The following memory address options are available:
--------------------------------------------------------------- Adapter type Memory address options (hexadecimal) --------------------------------------------------------------- S502A A0000 A2000 A4000 A6000 A8000 AA000 AC000 C0000 C2000 C4000 C6000 C8000 CA000 CC000 D0000 D2000 D4000 D6000 D8000 DA000 DC000 E0000 E2000 E4000 E6000 E8000 EA000 EC000 S502E/S503/S508 A0000 A2000 A4000 A6000 A8000 AA000 AC000 AE000 C0000 C2000 C4000 C6000 C8000 CA000 CC000 CE000 D0000 D2000 D4000 D6000 D8000 DA000 DC000 DE000 E0000 E2000 E4000 E6000 E8000 EA000 EC000 EE000 ---------------------------------------------------------------There is no jumpers associated with memory setting. If you want to use particular memory region, just write down its address for future reference.
If your system has a shadow RAM (most of them do), make sure it is disabled for the memory region you assigned to SDLA card. Consult your motherboard and BIOS documentation on whether there is a shadow RAM in your system and how to deactivate it.
The following CPU clock rate options are available:
--------------------------------------------------------------- Adapter type Available CPU clock rates (kHz) --------------------------------------------------------------- S502A 3600, 7200 S502E/S503 3600, 7200, 8000, 10000 S508 16000 ---------------------------------------------------------------
The following interface type options are available:
--------------------------------------------------------------- Adapter type Interface type --------------------------------------------------------------- S502A RS-232C only S502E RS-232C or V.35 (factory installed) S503 RS-232C or V.35 (user configurable) S508 Port 1: RS-232C or V.35 (software configurable) Port 2: RS-232C only ---------------------------------------------------------------Since the V.35 interface uses large rectangular connector that can not possibly fit onto standard ISA card, a special cable is required to connect SDLA card to V.35 interface. The cable is available from Sangoma Technologies (P/N 608). V.35-specific lines share the same physical connector with the RS-232C interface. If you decide to build your own V.35 convertor then its SDLA side should have a male-type DB-25 plug with the following pinout:
Pin # V.35 Signal ----- ----------- 10 Tx A 9 Tx B 12 Rx A 11 Rx B 19 TxC A 21 TxC B 23 RxC A 25 RxC B 13 DTR A 14 DTR B 18 Aux. Clock A (output) 16 Aux. Clock B (output)
Under normal circumstances the clock signals are provided externally. However, if your communication equipment needs an external clocking or if you want to connect two cards back-to-back with a null-modem cable, at least one of them should be configured to provide the clock (internal clocking mode). In this case the clock signal is available on pin 24 of DB-25 connector (RS-232C signaling) or pins 18 and 16 (V.35 signaling, A and B respectively).
Now you are ready to set SDLA configuration jumpers. Jumper settings vary depending on the SDLA type, so refer to the appropriate section below.
--------------------------- I/O Port (hex) JP3 Pins 1-2 3-4 --------------------------- 250 in in 300 out in 350 in out 360 out out ---------------------------IRQ level is set by jumper JP4. Only one header should be installed. Removing the header disables interrupts.
----------------------- IRQ Header position ----------------------- 2 1-2 3 3-4 5 5-6 7 7-8 -----------------------Note: Leave jumpers JP1 and JP2 alone!
--------------------------- I/O Port (hex) JP1 JP2 --------------------------- 250 in in 300 out in 350 in out 360 out out ---------------------------Note: Leave jumper JP3 alone!
----------------------------------- I/O Port (hex) JP3 Pins 1-2 3-4 5-6 ----------------------------------- 250 in in out 254 in in in 300 out in out 304 out in in 350 in out out 354 in out in 360 out out out 364 out out in -----------------------------------Jumper JP3 also selects interface type:
----------------------------------- Interface Type JP3 Pins 9-10 ----------------------------------- RS-232 in V.35 out -----------------------------------IRQ level is set by jumper JP2. Only one header should be installed. Removing the header disables interrupts.
----------------------- IRQ Header position ----------------------- 2 1-2 3 3-4 4 5-6 5 7-8 7 9-10 -----------------------Note: Leave jumper JP1 alone!
------------------------------------------- I/O Port (hex) JP1 Hearers 1 2 3 4 ------------------------------------------- 250 in in in out 270 out in in out 280 in out in out 300 out out in out 350 in in out out 360 out in out out 380 in out out out 390 out out out out -------------------------------------------All other options are software-configurable.