On Fri, Apr 20, 2007 at 10:14:54AM -0600, Jeff Ross wrote:
> Hi,
>
> I'm trying to add a second drive to the new to me SuperMicro server I
> just purchased off ebay. It has an Adaptec AIC-7899 U160 controller
> (dmesg below) but I'm finding a lot more U320 drives for sale than I am
> U160s.
>
> Will a U320 drive fall back to the U160 bandwidth? I'm finding
> conflicting advice on google, some say no problem, other say I'll kill
> the U320 in short order, not seeing any hints in the man pages.
>
> Thanks,
>
> Jeff Ross
To the best of my knowledge U320 drives should work fine negotiated
down to U160. Or not work at all because they can't do non-PPR
negotiation.
.... Ken
>
> OpenBSD 4.1-current (GENERIC.MP) #1: Fri Apr 13 12:54:01 MDT 2007
> [EMAIL PROTECTED]:/usr/src/sys/arch/i386/compile/GENERIC.MP
> cpu0: Intel Pentium III ("GenuineIntel" 686-class) 800 MHz
> cpu0:
> FPU,V86,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,MMX,FXSR,SSE
> real mem = 1073311744 (1048156K)
> avail mem = 971886592 (949108K)
> using 4278 buffers containing 53788672 bytes (52528K) of memory
> mainbus0 (root)
> bios0 at mainbus0: AT/286+ BIOS, date 12/14/00, BIOS32 rev. 0 @ 0xfdb90,
> SMBIOS rev. 2.3 @ 0xf0640 (50 entries)
> bios0: Supermicro 370DER
> apm0 at bios0: Power Management spec V1.2
> apm0: AC on, battery charge unknown, estimated 0:00 hours
> apm0: APM get event: interface not connected (3)
> apm0: APM get event: interface not connected (3)
> apm0: disconnected
> apm0: flags b0102 dobusy 0 doidle 0
> pcibios0 at bios0: rev 2.1 @ 0xf0000/0x10000
> pcibios0: PCI IRQ Routing Table rev 1.0 @ 0xf5380/144 (7 entries)
> pcibios0: PCI Interrupt Router at 000:15:0 ("ServerWorks OSB4" rev 0x00)
> pcibios0: PCI bus #1 is the last bus
> bios0: ROM list: 0xc0000/0x8000 0xc8000/0x1000 0xc9000/0x6000
> 0xcf000/0x1000 0xd0000/0x1000
> mainbus0: Intel MP Specification (Version 1.4)
> cpu0 at mainbus0: apid 0 (boot processor)
> cpu0: apic clock running at 133 MHz
> cpu1 at mainbus0: apid 1 (application processor)
> cpu1: Intel Pentium III ("GenuineIntel" 686-class) 800 MHz
> cpu1:
> FPU,V86,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,SER,MMX,FXSR,SSE
> mainbus0: bus 0 is type PCI
> mainbus0: bus 1 is type PCI
> mainbus0: bus 2 is type PCI
> mainbus0: bus 3 is type ISA
> ioapic0 at mainbus0: apid 4 pa 0xfec00000, version 11, 16 pins
> ioapic1 at mainbus0: apid 5 pa 0xfec01000, version 11, 16 pins
> pci0 at mainbus0 bus 0: configuration mode 1 (no bios)
> pchb0 at pci0 dev 0 function 0 "ServerWorks CNB20HE Host" rev 0x23
> ppb0 at pci0 dev 0 function 1 "ServerWorks CNB20LE Host" rev 0x01
> pci1 at ppb0 bus 1
> vga1 at pci1 dev 0 function 0 "ATI Mach64 GM" rev 0x27
> wsdisplay0 at vga1 mux 1: console (80x25, vt100 emulation)
> wsdisplay0: screen 1-5 added (80x25, vt100 emulation)
> pchb1 at pci0 dev 0 function 2 "ServerWorks CNB20HE Host" rev 0x01
> pchb2 at pci0 dev 0 function 3 "ServerWorks CNB20HE Host" rev 0x01
> pci2 at pchb2 bus 2
> em0 at pci2 dev 1 function 0 "Intel PRO/1000XT (82544EI)" rev 0x02: apic
> 5 int 6 (irq 11), address 00:02:b3:d5:63:2d
> fxp0 at pci0 dev 4 function 0 "Intel 8255x" rev 0x08, i82559: apic 5 int
> 12 (irq 11), address 00:30:48:11:23:eb
> inphy0 at fxp0 phy 1: i82555 10/100 PHY, rev. 4
> ahc0 at pci0 dev 5 function 0 "Adaptec AIC-7899 U160" rev 0x01: apic 5
> int 10 (irq 5)
> scsibus0 at ahc0: 16 targets
> sd0 at scsibus0 targ 0 lun 0: <QUANTUM, ATLAS10K2-TY184J, DDD6> SCSI3
> 0/direct fixed
> sd0: 17510MB, 17338 cyl, 5 head, 413 sec, 512 bytes/sec, 35860910 sec total
> ahc1 at pci0 dev 5 function 1 "Adaptec AIC-7899 U160" rev 0x01: apic 5
> int 11 (irq 10)
> scsibus1 at ahc1: 16 targets
> fxp1 at pci0 dev 6 function 0 "Intel 8255x" rev 0x08, i82559: apic 5 int
> 15 (irq 9), address 00:30:48:11:23:ec
> inphy1 at fxp1 phy 1: i82555 10/100 PHY, rev. 4
> piixpm0 at pci0 dev 15 function 0 "ServerWorks OSB4" rev 0x50: polling
> iic0 at piixpm0
> lmenv0 at iic0 addr 0x2d: lm87 rev 4
> lmenv1 at iic0 addr 0x2e: lm87 rev 4
> pciide0 at pci0 dev 15 function 1 "ServerWorks OSB4 IDE" rev 0x00: DMA
> atapiscsi0 at pciide0 channel 0 drive 0
> scsibus2 at atapiscsi0: 2 targets
> cd0 at scsibus2 targ 0 lun 0: <MATSHITA, CD-ROM CR-177, 7T03> SCSI0
> 5/cdrom removable
> cd0(pciide0:0:0): using PIO mode 4, DMA mode 2, Ultra-DMA mode 2
> ohci0 at pci0 dev 15 function 2 "ServerWorks OSB4/CSB5 USB" rev 0x04:
> apic 4 int 10 (irq 10), version 1.0, legacy support
> usb0 at ohci0: USB revision 1.0
> uhub0 at usb0
> uhub0: ServerWorks OHCI root hub, rev 1.00/1.00, addr 1
> uhub0: 4 ports with 4 removable, self powered
> isa0 at mainbus0
> isadma0 at isa0
> pckbc0 at isa0 port 0x60/5
> pckbd0 at pckbc0 (kbd slot)
> pckbc0: using irq 1 for kbd slot
> wskbd0 at pckbd0: console keyboard, using wsdisplay0
> pcppi0 at isa0 port 0x61
> midi0 at pcppi0: <PC speaker>
> spkr0 at pcppi0
> lpt0 at isa0 port 0x378/4 irq 7
> npx0 at isa0 port 0xf0/16: reported by CPUID; using exception 16
> pccom0 at isa0 port 0x3f8/8 irq 4: ns16550a, 16 byte fifo
> pccom1 at isa0 port 0x2f8/8 irq 3: ns16550a, 16 byte fifo
> fdc0 at isa0 port 0x3f0/6 irq 6 drq 2
> fd0 at fdc0 drive 0: 1.44MB 80 cyl, 2 head, 18 sec
> pctr: 686-class user-level performance counters enabled
> mtrr: Pentium Pro MTRR support
> aue0 at uhub0 port 1
> aue0: 3Com 3C460B 10/100 Etherthernet Ada, rev 1.10/1.01, addr 2
> aue0: address 00:04:76:00:a2:24
> acphy0 at aue0 phy 1: AC_UNKNOWN 10/100 PHY, rev. 0
> ahc0: target 0 using 16bit transfers
> ahc0: target 0 synchronous at 80.0MHz DT, offset = 0x7f
> dkcsum: sd0 matches BIOS drive 0x80
> root on sd0a
> rootdev=0x400 rrootdev=0xd00 rawdev=0xd02
> [EMAIL PROTECTED]:/home/jross $
