Int 1A/AH=8Ch

PCMCIA Socket Services v1.00 - INQUIRE SOCKET

AH = 8Ch
AL = adapter number
BL = socket number (01h to maximum supported by adapter)

Return:
CF clear if successful
AH destroyed
DH = capabilities (see #00680)
DL = hardware indicators (see #00681)
DS:SI -> Socket Characteristics table (see #00682)
DS:DI -> Power Management table (see #00684)
CF set on error
AH = error code (01h,0Bh) (see #00656)

See Also: AH=87h - AH=8Dh - AH=8Eh


Bitfields for PCMCIA socket capabilities:

Bit(s)  Description     (Table 00680)
0      card change
1      card lock
2      insert card (motor control)
3      eject card (motor control)
4-7    reserved (0)

Bitfields for PCMCIA socket hardware indicators:

Bit(s)  Description     (Table 00681)
0      busy status
1      write-protected
2      battery status
3      card lock status
4      XIP status (eXecute-In-Place)
5-7    reserved (0)

Format of PCMCIA Socket Characteristics table:

Offset  Size    Description     (Table 00682)
00h    WORD    supported card types (see #00683)
02h    WORD    steerable IRQ levels (bit 0 = IRQ0 to bit 15 = IRQ15)
04h    WORD    additional steerable IRQ levels
bit 0:
NMI
bit 1:
I/O check
bit 2:
Bus error
bit 3:
Vendor-unique
bits 4-7 reserved (0)

Bitfields for supported card types:

Bit(s)  Description     (Table 00683)
0      memory card
1      I/O card
2-7    reserved (0)

Format of PCMCIA Power Management table:

Offset  Size    Description     (Table 00684)
00h    WORD    number of entries in table (0 if power management not avail)
02h 2N BYTEs   power levels
byte 0:
Voltage in 0.1V units
byte 1:
Power supply
bit 7:
Vcc
bit 6:
Vpp1
bit 5:
Vpp2

Category: Expansion Bus Bios - Int 1Ah - P

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