adaptec aic7xxx-driver for linux

[kf]

My understanding is that the SCSI BIOS on a particular host adapter is
used only when booting from a device connected off of that host adapter.

Corrections and amendations welcome.

kf

On 31 Dec 2001, Hans-Guenter Luetke Uphues wrote:

=
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= Hi,
=
= my name is Hans-Günter Lütke Uphues. I have a question about the
= BIOS for the adaptec 2940 SCSI-controler:
=
= I used two SCSI-controlers (Buslogic 130 and Adaptec 2940) for nearly
= 5 years within my PPro-system without any problems. Some weeks ago I
= bought a low-cost ECS-K7S5A board from Elitegroup. Everythings worked
= very fine until I installed both SCSI-controlers: The system hangs
= after initializing the Buslogic-BIOS without initializing the Adaptec
= BIOS.
=
= So I decided to remove the BIOS-chip (release 1.23) from my 2940. Now
= I can use both adapters and all connected scsi-devices with my linux
= box. Is it ok to remove the BIOS, or are there situations where
= the linux driver needs the buildin BIOS? At the moment I use the
= following aic7xxx-parameters:
=
= aic7xxx=pci_parity,verbose,aic7xxx=override_term:0x1
=
= 'lspci -vv' output:
= 00:11.0 SCSI storage controller: Adaptec AHA-294x / AIC-7871
=         Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV+ VGASnoop- ParErr- Step
= ping- SERR+ FastB2B-
=         Status: Cap- 66Mhz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort
= - - <MAbort- >SERR- <PERR-
=         Latency: 64 (2000ns min, 2000ns max), cache line size 08
=         Interrupt: pin A routed to IRQ 5
=         Region 0: I/O ports at b400 [disabled] [size=256]
=         Region 1: Memory at cfffb000 (32-bit, non-prefetchable) [size=4K]
=         Expansion ROM at cffc0000 [disabled] [size=64K]
=
= The lspci output lists all Expansion ROMs on my PCI/AGP-cards as 'disabled'.
=
= Thanks and a happy new year
= Hans-Günter
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= =69WK
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