; Trantor PS/2 SCSI Host Adapter
; Adapter Descriptor File (ADF)
; Copyright (C) 1988-90, Trantor Systems, Ltd.
;
; Revised 05-01-90, Update IRQ enable bit map


; We have an assigned id of 75ffh.

adapterid 75ffh
adaptername "Trantor PS/2 SCSI Host Adapter"


; We use four POS registers

numbytes 4


; Bit 5 of pos 104h places the 82c612 in synchronous
; or asynchrounous ready mode. We use the async. mode
; (bit 5 = 0).

fixedresources pos [3] = xx0xxxxxb


; We provide direct card enable/disable control at the
; ADF level.
;
;nameditem
;prompt "Card Enable/Disable"
;choice "Enable card"   pos [0] = xxxxxxx1b
;choice "Disable card"  pos [0] = xxxxxxx0b
;help
;"Under normal conditions the Trantor PS/2 SCSI Host
;Adapter will always be enabled. However, if there is
;a conflict with another card in the computer which cannot
;be resolved it may be necessary to disable the Trantor
;adapter. Use the F5 and F6 keys to select the desired 
;choice."


; The board supports four I/O address ranges. 328h is
; the default baseport.

nameditem
prompt "I/O Port"
choice "328h - 32bh"  pos [1] = 10xxxxxxb  io 328h-32bh
choice "32ch - 32fh"  pos [1] = 11xxxxxxb  io 32ch-32fh
choice "320h - 323h"  pos [1] = 00xxxxxxb  io 320h-323h
choice "324h - 327h"  pos [1] = 01xxxxxxb  io 324h-327h
help
"The Trantor PS/2 SCSI Host Adapter uses four consecutive
port addresses. The port addresses used by the card must
not be used by any other cards in the computer. Use the 
F5 and F6 keys to select the desired port range."


; We support DMA channels 1 and 3 in software. These
; channels imply arbitration levels 1 and 3, respectively.
; Channel 1 is the default.

nameditem
prompt "DMA Channel"
choice "Channel 1"   pos [3] = xxx00001b  arb 1
choice "Channel 3"   pos [3] = xxx00011b  arb 3
help
"The Trantor PS/2 SCSI Host Adapter may use the Direct
Memory Access (DMA) capability of the computer in order
to enhance operation. The DMA channel assigned to this
adapter may not be used by any other adapter in the 
system. Use the F5 and F6 keys to select the desired 
DMA channel."


; The 8k ROM may begin at any of of four addresses in 
; the low 1 Mb of memory. Alternately, the ROM may be
; disabled entirely. Address c8000 is default.

nameditem
prompt "ROM Address"
choice "ROM Disabled"     pos [1] = xx000111b
choice "c8000h - c9fffh"  pos [1] = xx100100b  mem 0c8000h-0c9fffh
choice "ca000h - cbfffh"  pos [1] = xx101101b  mem 0ca000h-0cbfffh
choice "cc000h - cdfffh"  pos [1] = xx110110b  mem 0cc000h-0cdfffh
choice "ce000h - cffffh"  pos [1] = xx111111b  mem 0ce000h-0cffffh
help
"A Read Only Memory (ROM) is an option on the Trantor PS/2
SCSI Host Adapter. If you have this option you must select
the 8k range of memory which will be used by the ROM. You
may also disable the ROM with this selection. Use the 
F5 and F6 keys to select the setting."


; Parity checking on the SCSI bus may be enabled or disabled.

nameditem
prompt "Parity Enable/Disable"
choice "Parity Disabled"  pos [2] = 0xxxxxxxb
choice "Parity Enabled"   pos [2] = 1xxxxxxxb
help
"Some older SCSI peripherals do not support parity. When
using these peripherals with the Trantor SCSI Adapter it
is necessary to disable parity checking. Use the F5 and F6
keys to enable/disable parity checking."


; The card may use interrupt channels 7, 12, and 14. 
; Normally we do not use interrupts under DOS.

nameditem
prompt "Interrupt Channel"
choice "None"    pos [2] = xxxxx000b
choice "IRQ 7"   pos [2] = xxxxx001b  int 7
choice "IRQ 12"  pos [2] = xxxxx010b  int 12
choice "IRQ 14"  pos [2] = xxxxx100b  int 14
help
"The Trantor PS/2 SCSI Host Adapter supports interrupts.
Channels 7, 12, and 14 are allowed. Normally, 
however, the software does not make use of the interrupt 
capability so interrupts are left disabled. Use the F5 
and F6 keys to select an interrupt channel option."


