Lines Matching +full:chip +full:- +full:wide

2 .\" SPDX-License-Identifier: BSD-3-Clause
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61 Driver features include support for twin and wide busses,
66 .Tn SCSI-Select
71 wide transfers,
74 For systems that store non-volatile settings in a system specific manner
80 many chip-down motherboard configurations.
87 Note that wide and twin channel features, although always supported
88 by a particular chip, may be disabled in a particular motherboard or card
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91 .Bl -column "aic7895CX" "MIPSX" "PCI/64X" "MaxSyncX" "MaxWidthX" "SCBsX" "2 3 4 5 6 7 8X"
92 .It Em "Chip" Ta "MIPS" Ta "Bus" Ta "MaxSync" Ta "MaxWidth" Ta "SCBs" Ta "Features"
108 .Bl -enum -compact
110 Multiplexed Twin Channel Device - One controller servicing two busses.
112 Multi-function Twin Channel Device - Two controllers on one chip.
114 Command Channel Secondary DMA Engine - Allows scatter gather list and
117 64 Byte SCB Support - SCSI CDB is embedded in the SCB to eliminate an extra DMA.
119 Block Move Instruction Support - Doubles the speed of certain sequencer
123 style Scatter Gather Engine - Improves S/G prefetch performance.
125 Queuing Registers - Allows queueing of new transactions without pausing the
128 Multiple Target IDs - Allows the controller to respond to selection as a
136 .Cd options AHC_ALLOW_MEMIO=(0 -- disabled, 1 -- enabled)
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141 sitting behind a PCI->PCI bridge, the BIOS may fail to properly initialize
142 the chip for memory mapped I/O. The typical symptom of this problem is a
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166 .Bl -tag -width indent
169 (0 -- disabled, 1 -- enabled).
172 adapter, defaults to enabled (0 -- disabled, 1 -- enabled).
179 .Bl -bullet -compact
183 host adapter chip
187 host adapter chip
191 host adapter chip
195 host adapter chip
199 host adapter chip
203 host adapter chip
207 host adapter chip
211 host adapter chip
215 host adapter chip
219 host adapter chip
223 host adapter chip
227 host adapter chip
328 Many motherboards with on-board
338 The chip feature table lists
339 the number of SCBs that can be stored in on-chip memory.
341 with model numbers greater than or equal to 7870 allow for the on chip
387 sequencer-code assembler,
398 .Tn SCSI-Select