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From"Linux Kernel Developer" <>
SubjectTrying to get Linux to recognize PCI serial ports
DateSun, 29 Dec 2002 08:00:13 -0500
Hi all,

    I've been trying to get my system to recognize my new CompUSA PCI serial
ports.  The serial ports are part of a multiport 2 serial/1 parallel PCI I/O
card based on the Nm9835CV chipset.  According from what I have read in the
archives and in the kernel source these ports should be supported by the
latest kernel.  (I'm running 2.4.20)  I've tried both serial.o and
parport_serial.o drivers.  Neither seam to recognize and configure my serial
ports.  I've searched google and the linux kernel mailing list archives to
no avail.  Can anyone give my any information on how I could configure these
ports?  Thank you.

PS.

    I've attached my dmesg and lspci output for this device.

Thanks for any help.
00:09.0 Serial controller: NetMos Technology 222N-2 I/O Card (2S+1P) (rev 01) (prog-if 02 [16550])
	Subsystem: LSI Logic / Symbios Logic (formerly NCR): Unknown device 0012
	Control: I/O+ Mem+ BusMaster- SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B-
	Status: Cap- 66Mhz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR-
	Interrupt: pin A routed to IRQ 10
	Region 0: I/O ports at cc00 [size=8]
	Region 1: I/O ports at d000 [size=8]
	Region 2: I/O ports at d400 [size=8]
	Region 3: I/O ports at d800 [size=8]
	Region 4: I/O ports at dc00 [size=8]
	Region 5: I/O ports at e000 [size=16]

Linux version 2.4.20 (root@Miyu) (gcc version 2.95.3 20010315 (release)) #4 Wed Dec 11 17:29:58 EST 2002
BIOS-provided physical RAM map:
 BIOS-e820: 0000000000000000 - 000000000009fc00 (usable)
 BIOS-e820: 000000000009fc00 - 00000000000a0000 (reserved)
 BIOS-e820: 00000000000f0000 - 0000000000100000 (reserved)
 BIOS-e820: 0000000000100000 - 0000000007ff0000 (usable)
 BIOS-e820: 0000000007ff0000 - 0000000007ff0800 (ACPI NVS)
 BIOS-e820: 0000000007ff0800 - 0000000008000000 (ACPI data)
 BIOS-e820: 00000000ffff0000 - 0000000100000000 (reserved)
127MB LOWMEM available.
On node 0 totalpages: 32752
zone(0): 4096 pages.
zone(1): 28656 pages.
zone(2): 0 pages.
Kernel command line: auto BOOT_IMAGE=Linux ro root=301
Initializing CPU#0
Detected 451.035 MHz processor.
Console: colour VGA+ 80x25
Calibrating delay loop... 897.84 BogoMIPS
Memory: 127612k/131008k available (934k kernel code, 3008k reserved, 379k data, 64k init, 0k highmem)
Dentry cache hash table entries: 16384 (order: 5, 131072 bytes)
Inode cache hash table entries: 8192 (order: 4, 65536 bytes)
Mount-cache hash table entries: 2048 (order: 2, 16384 bytes)
Buffer-cache hash table entries: 4096 (order: 2, 16384 bytes)
Page-cache hash table entries: 32768 (order: 5, 131072 bytes)
CPU: L1 I Cache: 32K (32 bytes/line), D cache 32K (32 bytes/line)
CPU:     After generic, caps: 008021bf 808029bf 00000000 00000002
CPU:             Common caps: 008021bf 808029bf 00000000 00000002
CPU: AMD-K6(tm) 3D processor stepping 0c
Checking 'hlt' instruction... OK.
POSIX conformance testing by UNIFIX
mtrr: v1.40 (20010327) Richard Gooch (rgooch@atnf.csiro.au)
mtrr: detected mtrr type: AMD K6
PCI: PCI BIOS revision 2.10 entry at 0xfb360, last bus=2
PCI: Using configuration type 1
PCI: Probing PCI hardware
PCI: 00:07.3: class 604 doesn't match header type 00. Ignoring class.
PCI: Using IRQ router VIA [1106/0586] at 00:07.0
Activating ISA DMA hang workarounds.
Linux NET4.0 for Linux 2.4
Based upon Swansea University Computer Society NET3.039
Initializing RT netlink socket
Starting kswapd
VFS: Diskquotas version dquot_6.4.0 initialized
Journalled Block Device driver loaded
ACPI: Core Subsystem version [20011018]
ACPI: Subsystem enabled
pty: 512 Unix98 ptys configured
Uniform Multi-Platform E-IDE driver Revision: 6.31
ide: Assuming 33MHz system bus speed for PIO modes; override with idebus=xx
VP_IDE: IDE controller on PCI bus 00 dev 39
VP_IDE: chipset revision 6
VP_IDE: not 100% native mode: will probe irqs later
ide: Assuming 33MHz system bus speed for PIO modes; override with idebus=xx
VP_IDE: VIA vt82c586b (rev 41) IDE UDMA33 controller on pci00:07.1
    ide0: BM-DMA at 0xc400-0xc407, BIOS settings: hda:DMA, hdb:DMA
    ide1: BM-DMA at 0xc408-0xc40f, BIOS settings: hdc:DMA, hdd:DMA
hda: WDC WD102BA, ATA DISK drive
hdc: CREATIVEDVD8400E, ATAPI CD/DVD-ROM drive
ide0 at 0x1f0-0x1f7,0x3f6 on irq 14
ide1 at 0x170-0x177,0x376 on irq 15
blk: queue c0283aa4, I/O limit 4095Mb (mask 0xffffffff)
hda: 20028960 sectors (10255 MB) w/1961KiB Cache, CHS=1246/255/63, UDMA(33)
Partition check:
 hda:<7>ldm_validate_partition_table(): Found an MS-DOS partition table, not a dynamic disk.
 hda1 hda2
NET4: Linux TCP/IP 1.0 for NET4.0
IP Protocols: ICMP, UDP, TCP, IGMP
IP: routing cache hash table of 512 buckets, 4Kbytes
TCP: Hash tables configured (established 8192 bind 8192)
NET4: Unix domain sockets 1.0/SMP for Linux NET4.0.
kjournald starting.  Commit interval 5 seconds
EXT3-fs: mounted filesystem with ordered data mode.
VFS: Mounted root (ext3 filesystem) readonly.
Freeing unused kernel memory: 64k freed
Adding Swap: 530104k swap-space (priority -1)
EXT3 FS 2.4-0.9.19, 19 August 2002 on ide0(3,1), internal journal
Real Time Clock Driver v1.10e
PCI: Assigned IRQ 5 for device 00:08.0
3c59x: Donald Becker and others. www.scyld.com/network/vortex.html
00:08.0: 3Com PCI 3c905B Cyclone 100baseTx at 0xc800. Vers LK1.1.16
parport0: PC-style at 0x378 (0x778), irq 7, dma 3 [PCSPP,TRISTATE,COMPAT,EPP,ECP,DMA]
isapnp: Scanning for PnP cards...
isapnp: No Plug & Play device found
Serial driver version 5.05c (2001-07-08) with MANY_PORTS MULTIPORT SHARE_IRQ DETECT_IRQ SERIAL_PCI ISAPNP enabled
PCI: Found IRQ 10 for device 00:09.0
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