TS-5300 User’s Manual
Technologic Systems
05/21/09
34
AH = 00 if no error, 86h if no supported by BIOS
Int 15h / Function B021h – JP5 Status
This function is for backward compatibility with those who used the TS-2350 board-mounted push
switch. JP5 emulates the push-switch. With JP5 installed, this function will behave as if the push switch
was installed. With JP5 not installed, it behaves as if the push switch is not pressed.
ENTRY:
AX = B021h
EXIT:
CY = 0 (carry flag)
AH = 00
BX = 00
- JP5 not installed (De-asserted)
01
- JP5 installed (Asserted)
Int 15h / Function B020h - Jumper Pin Status
This function returns the status of the option jumpers in register BX according to the list below.
ENTRY:
AX = B020h
EXIT:
CY = 0 (carry flag)
AX = 0
BX = Jumper Pin Status. If Bit X = 1, the jumper is installed.
BX Bit
Jumper
Description
0
JP1
Auto CMOS configuration
1
JP2
Console redirection
2
JP3
Write enable flash A:
3
JP4
Console set to 115K baud
4
JP5
User definable
7
JP8
Write enable flash B:
Table 13 - Int15h/Function B020h register BX
return values
Summary of Contents for TS-5300
Page 1: ...TS 5300 User s Manual...
