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Subject[BUG] linux 2.4.1 to 2.4.1-ac3 hangs
Date
Hi,

I have been see quite a few hangs on 2.4.1 thru 2.4.1-ac3. By hang I mean
that the box stops Shift scroll-lock etc have no effect. I use a screen
switch to share a monitor with a box setup as a serial console. Even switch
this freezes leading me to suspect the video signal is dieing. Until it
happen today I had no clue as to what was happening. This time the following
appeared on the serial console.

Starting periodic command scheduler: cron.
eth1: Oversized Ethernet frame spanned multiple buffers, entry 0x7 length 0
sta!eth1: Oversized Ethernet frame c6f96070 vs c6f96070.
eth1: Oversized Ethernet frame spanned multiple buffers, entry 0x8 length 0
sta!eth1: Oversized Ethernet frame c6f96080 vs c6f96080.
eth1: Oversized Ethernet frame spanned multiple buffers, entry 0x9 length
1518 !eth1: Oversized Ethernet frame c6f96090 vs c6f96090.
Scheduling in interrupt

After this its dead.

Here is some info on the boot and other stuff that might help.

PCI: PCI BIOS revision 2.10 entry at 0xfb520, last bus=1
PCI: Using configuration type 1
PCI: Probing PCI hardware
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 v1.8
matroxfb: Matrox Millennium G400 MAX (AGP) detected
matroxfb: MTRR's turned on
matroxfb: 640x480x8bpp (virtual: 640x26208)
matroxfb: framebuffer at 0xE8000000, mapped to 0xc8805000, size 33554432
Console: switching to colour frame buffer device 80x30
fb0: MATROX VGA frame buffer device

and a bit later (note: the this is how it appears on the serial console...)

alculating module dependencies... done.
Loading modules: tulip Note: /etc/modulLinux Tulip driver version 0.9.13b
(Janu)es.conf is more PCI: Found IRQ 12 for device 00:09.0
:C0ent than /libeth0: Digital DS21140 Tulip rev 34 at 0xe800,/modules/2.4.1-a
0p :F0:32:30:70, IRQ 12.
eth0: EEPROM default media type Autosense.
eth0: Index #0 - Media MII (#11) described by a 21140 MII PHY (1) block.
eth0: MII transceiver #1 config 3000 status 7829 advertising 01e1.
via-rhine Note: /etc/modulvia-rhine.c:v1.08b-LK1.1.6 8/9/2000 Written by
Donares.conf is more http://www.scyld.com/network/via-rhine.html
recent than /libPCI: Found IRQ 11 for device 00:0a.0
/modules/2.4.1-aIRQ routing conflict in pirq table for device 00:0a.0
eth1: VIA VT3043 Rhine at 0xec00,
00:80:c8:f9:ee:ba, IRQ 9.
eth1: MII PHY found at address 8, status 0x782d advertising 05e1 Link 0000.
linear Note: /etc/modulmd driver 0.90.0 MAX_MD_DEVS=256, MD_SB_DISKS=27
es.conf is more md.c: sizeof(mdp_super_t) = 4096
recent than /lib/modules/2.4.1-alinear personality registered
c3+/modules.dep

NOTE the message about a routing conflict of device 00:0a.0

eth1 is used to run pppoeoscar#

ifconfig eth1
eth1 Link encap:Ethernet HWaddr 00:80:C8:F9:EE:BA
UP BROADCAST RUNNING NOARP MULTICAST MTU:1500 Metric:1
RX packets:2057 errors:0 dropped:0 overruns:0 frame:0
TX packets:2007 errors:0 dropped:0 overruns:0 carrier:0
collisions:2 txqueuelen:100
Interrupt:9 Base address:0xec00

oscar# ifconfig ppp0
ppp0 Link encap:Point-to-Point Protocol
inet addr:64.229.192.179 P-t-P:64.229.192.1 Mask:255.255.255.255
UP POINTOPOINT RUNNING NOARP MULTICAST MTU:1492 Metric:1
RX packets:2116 errors:0 dropped:0 overruns:0 frame:0
TX packets:2063 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:3

oscar% cat interrupts
CPU0
0: 116087 XT-PIC timer
1: 1910 XT-PIC keyboard
2: 0 XT-PIC cascade
4: 835 XT-PIC serial
5: 34255 XT-PIC Sound Blaster 16
7: 0 XT-PIC serial
9: 3554 XT-PIC eth1
10: 10857 XT-PIC usb-uhci
11: 0 XT-PIC mga@PCI:1:0:0
12: 2339 XT-PIC eth0
14: 12146 XT-PIC ide0
15: 2 XT-PIC ide1
NMI: 0
ERR: 0

lspci -vvxxx
00:00.0 Host bridge: VIA Technologies, Inc. VT82C598 [Apollo MVP3] (rev 04)
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+
Latency: 16
Region 0: Memory at e0000000 (32-bit, prefetchable) [size=64M]
Capabilities: [a0] AGP version 1.0
Status: RQ=7 SBA+ 64bit- FW- Rate=x1,x2
Command: RQ=0 SBA+ AGP+ 64bit- FW- Rate=x1
00: 06 11 98 05 06 00 90 82 04 00 00 06 00 10 00 00
10: 08 00 00 e0 00 00 00 00 00 00 00 00 00 00 00 00
20: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
30: 00 00 00 00 a0 00 00 00 00 00 00 00 00 00 00 00
40: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
50: 80 0a 85 50 00 00 00 00 18 00 00 00 08 10 10 10
60: 0c 0a 00 23 ee e4 ee 00 01 00 65 01 60 21 00 00
70: c1 08 ec 01 00 80 40 00 00 00 00 00 00 00 80 40
80: 0f 45 00 00 c0 00 00 00 03 00 33 07 00 00 00 00
90: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
a0: 02 00 10 00 03 02 00 07 01 03 00 00 0a 00 00 00
b0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
c0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
d0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
e0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
f0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 97 05

00:01.0 PCI bridge: VIA Technologies, Inc. VT82C598/694x [Apollo MVP3/Pro133x
AGP] (prog-if 00 [Normal decode])
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-
Latency: 0
Bus: primary=00, secondary=01, subordinate=01, sec-latency=0
I/O behind bridge: 0000d000-0000dfff
Memory behind bridge: e4000000-e7ffffff
Prefetchable memory behind bridge: e8000000-e9ffffff
BridgeCtl: Parity- SERR- NoISA+ VGA+ MAbort- >Reset- FastB2B-
00: 06 11 98 85 07 00 20 22 00 00 04 06 00 00 01 00
10: 00 00 00 00 00 00 00 00 00 01 01 00 d0 d0 00 00
20: 00 e4 f0 e7 00 e8 f0 e9 00 00 00 00 00 00 00 00
30: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 0c 00
40: e0 ec 00 00 00 00 00 00 00 00 00 00 00 00 00 00
50: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
60: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
70: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
90: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
a0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
b0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
c0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
d0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
e0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
f0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00

00:07.0 ISA bridge: VIA Technologies, Inc. VT82C586/A/B PCI-to-ISA [Apollo
VP] (rev 47)
Subsystem: VIA Technologies, Inc. MVP3 ISA Bridge
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-
Latency: 0
00: 06 11 86 05 8f 00 00 02 47 00 01 06 00 00 80 00
10: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
20: 00 00 00 00 00 00 00 00 00 00 00 00 06 11 00 00
30: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
40: 00 01 00 00 00 00 70 a0 01 00 c4 00 00 00 00 f3
50: 24 00 00 00 00 00 bc 90 00 06 f7 00 00 00 00 00
60: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
70: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
90: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
a0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
b0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
c0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
d0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
e0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
f0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00

00:07.1 IDE interface: VIA Technologies, Inc. Bus Master IDE (rev 06)
(prog-if 8a [Master SecP PriP])
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-
Latency: 64
Region 4: I/O ports at e000 [size=16]
00: 06 11 71 05 07 00 80 02 06 8a 01 01 00 40 00 00
10: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
20: 01 e0 00 00 00 00 00 00 00 00 00 00 00 00 00 00
30: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
40: 0b e2 09 3a 68 13 c0 00 20 20 20 20 00 00 20 20
50: 03 03 e0 e0 00 00 00 00 a8 a8 a8 a8 00 00 00 00
60: 00 02 00 00 00 00 00 00 00 02 00 00 00 00 00 00
70: 02 00 00 00 00 00 00 00 82 00 00 00 00 00 00 00
80: 00 90 f8 07 00 00 00 00 00 00 00 00 00 00 00 00
90: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
a0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
b0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
c0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
d0: 06 00 71 05 00 00 00 00 00 00 00 00 00 00 00 00
e0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
f0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00

00:07.2 USB Controller: VIA Technologies, Inc. UHCI USB (rev 02) (prog-if 00
[UHCI])
Subsystem: Unknown device 0925:1234
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-
Latency: 64, cache line size 08
Interrupt: pin D routed to IRQ 10
Region 4: I/O ports at e400 [size=32]
00: 06 11 38 30 07 00 00 02 02 00 03 0c 08 40 00 00
10: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
20: 01 e4 00 00 00 00 00 00 00 00 00 00 25 09 34 12
30: 00 00 00 00 00 00 00 00 00 00 00 00 0a 04 00 00
40: 00 00 00 00 02 00 36 34 00 00 00 00 00 00 00 00
50: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
60: 10 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
70: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
90: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
a0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
b0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
c0: 00 20 00 00 00 00 00 00 00 00 00 00 00 00 00 00
d0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
e0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
f0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00

00:07.3 Host bridge: VIA Technologies, Inc. VT82C586B ACPI (rev 10)
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-
00: 06 11 40 30 00 00 80 02 10 00 00 06 00 00 00 00
10: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
20: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
30: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
40: e0 88 09 00 f8 78 00 06 01 50 00 00 00 00 00 00
50: 0b 1e a0 88 00 00 00 00 00 00 00 00 00 00 00 00
60: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
70: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
90: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
a0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
b0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
c0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
d0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
e0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
f0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00

00:09.0 Ethernet controller: Digital Equipment Corporation DECchip 21140
[FasterNet] (rev 22)
Subsystem: Kingston Technologies KNE100TX Fast Ethernet
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-
Latency: 64 (5000ns min, 10000ns max), cache line size 08
Interrupt: pin A routed to IRQ 12
Region 0: I/O ports at e800 [size=128]
Region 1: Memory at ec001000 (32-bit, non-prefetchable) [size=128]
Expansion ROM at ea000000 [disabled] [size=256K]
00: 11 10 09 00 07 00 80 02 22 00 00 02 08 40 00 00
10: 01 e8 00 00 00 10 00 ec 00 00 00 00 00 00 00 00
20: 00 00 00 00 00 00 00 00 00 00 00 00 46 26 01 00
30: 00 00 00 ea 00 00 00 00 00 00 00 00 0c 01 14 28
40: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
50: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
60: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
70: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
90: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
a0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
b0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
c0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
d0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
e0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
f0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00

00:0a.0 Ethernet controller: VIA Technologies, Inc. VT86C100A [Rhine 10/100]
(rev 06)
Subsystem: D-Link System Inc DFE-530TX
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-
Latency: 64 (29500ns min, 38000ns max), cache line size 08
Interrupt: pin A routed to IRQ 9
Region 0: I/O ports at ec00 [size=128]
Region 1: Memory at ec000000 (32-bit, non-prefetchable) [size=128]
Expansion ROM at eb000000 [disabled] [size=64K]
00: 06 11 43 30 07 00 00 02 06 00 00 02 08 40 00 00
10: 01 ec 00 00 00 00 00 ec 00 00 00 00 00 00 00 00
20: 00 00 00 00 00 00 00 00 00 00 00 00 86 11 00 14
30: 00 00 00 eb 00 00 00 00 00 00 00 00 09 01 76 98
40: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
50: 00 00 00 00 00 00 00 00 fe 01 fe 01 00 00 00 00
60: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
70: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
90: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
a0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
b0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
c0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
d0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
e0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
f0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00

01:00.0 VGA compatible controller: Matrox Graphics, Inc. MGA G400 AGP (rev
04) (prog-if 00 [VGA])
Subsystem: Matrox Graphics, Inc. Millennium G400 MAX/Dual Head 32Mb
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-
Latency: 64 (4000ns min, 8000ns max), cache line size 08
Interrupt: pin A routed to IRQ 11
Region 0: Memory at e8000000 (32-bit, prefetchable) [size=32M]
Region 1: Memory at e4000000 (32-bit, non-prefetchable) [size=16K]
Region 2: Memory at e5000000 (32-bit, non-prefetchable) [size=8M]
Expansion ROM at <unassigned> [disabled] [size=64K]
Capabilities: [dc] Power Management version 2
Flags: PMEClk- DSI+ D1- D2- AuxCurrent=0mA PME(D0-,D1-,D2-,D3hot-,D3cold-)
Status: D0 PME-Enable- DSel=0 DScale=0 PME-
Capabilities: [f0] AGP version 2.0
Status: RQ=31 SBA+ 64bit- FW- Rate=x1,x2
Command: RQ=7 SBA+ AGP+ 64bit- FW- Rate=x1
00: 2b 10 25 05 07 00 90 02 04 00 00 03 08 40 00 00
10: 08 00 00 e8 00 00 00 e4 00 00 00 e5 00 00 00 00
20: 00 00 00 00 00 00 00 00 00 00 00 00 2b 10 79 21
30: 00 00 00 00 dc 00 00 00 00 00 00 00 0b 01 10 20
40: 20 41 57 50 00 3c 00 00 06 ff ff 06 00 00 00 00
50: 00 30 00 01 19 84 9b 01 00 00 00 00 00 00 00 00
60: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
70: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
90: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
a0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
b0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
c0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
d0: 00 00 00 00 00 00 00 00 00 00 00 00 01 f0 22 00
e0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
f0: 02 00 20 00 03 02 00 1f 01 03 00 07 00 00 00 00

oscar% cat /proc/ide/via
----------VIA BusMastering IDE Configuration----------------
Driver Version: 3.20
South Bridge: VIA vt82c586b
Revision: ISA 0x47 IDE 0x6
BM-DMA base: 0xe000
PCI clock: 33MHz
Master Read Cycle IRDY: 1ws
Master Write Cycle IRDY: 1ws
BM IDE Status Register Read Retry: yes
Max DRDY Pulse Width: No limit
-----------------------Primary IDE-------Secondary IDE------
Read DMA FIFO flush: yes yes
End Sector FIFO flush: no no
Prefetch Buffer: yes yes
Post Write Buffer: yes no
Enabled: yes yes
Simplex only: no no
Cable Type: 40w 40w
-------------------drive0----drive1----drive2----drive3-----
Transfer Mode: UDMA UDMA PIO PIO
Address Setup: 30ns 30ns 30ns 30ns
Cmd Active: 90ns 90ns 90ns 90ns
Cmd Recovery: 30ns 30ns 30ns 30ns
Data Active: 90ns 90ns 90ns 90ns
Data Recovery: 30ns 30ns 30ns 30ns
Cycle Time: 60ns 60ns 120ns 120ns
Transfer Rate: 33.0MB/s 33.0MB/s 16.5MB/s 16.5MB/s

Ed Tomlinson <tomlins@cam.org>
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