Intel 82543GC - Manual (Page 10)

82543GC Gigabit Ethernet Controller Specification Update
10
26 X X X NoFix Default Speed Selection May Depend on EEPROM Presence 15
27 X X X NoFix Link Status Change Interrupt Only Occurs If Link is Up 15
28 X X X NoFix Early Transmit Feature Does Not Operate Correctly 15
29 X X X NoFix TDO Output Not Floated When JTAG TAP Controller Inactive 16
30 X X X NoFix Initialization Ignores Incorrect EEPROM Signature 16
31 X X X NoFix Internal Loopback Difficulties 16
32 X X X NoFix Collision Pin Not Ignored in TBI Mode 16
33 X X X NoFix Receive Descriptor Writeback Problems for Packets Spanning
Multiple Buffers 17
34 X X X NoFix Illegal Oversize Packets Overflow Receive FIFO 17
35 X X X NoFix Transmit Descriptor Writeback Problem with Non-Zero
WTHRESH 17
36 X X X NoFix Bus Initialization with Some Chipsets 17
37 X X X NoFix Use of Receive Delay Timer Ring Register (RDTR) Causes
Occasional Lockups 18
38 X X X NoFix Transmit TCP Checksum Modified if Calculated as 0x0000 18
No. A0 A1 A2 Plans SPECIFICATION CLARIFICATIONS Page Affected
Document
1 X X X Doc
Change
0-70C Ambient Temperature Range 19 Datasheet
2 X X X Doc
Change
Receiver Enabling and Disabling 19 Developer’s
Manual
No. A0 A1 A2 Plans DOCUMENTATION CHANGES Page Affected
Document
1 X X X Doc
Replaced
TX/RX Descriptor Register Addresses 19 Developer’s
Manual
2 X X X Doc
Replaced
Auto Speed Detect Function Requires CTRL.SLU Bit to Be Set 20 Developer’s
Manual
3 X X X Doc
Replaced
Values Programmed to Some Registers While in Reset Do Not
Persist 20 Developer’s
Manual
4 X X X Doc
Change
JTAG Port Operation 20 Datasheet and
Developer’s
Manual.
5 X X X Doc
Change
Register Summary Uses Improper Page Reference Format 20 Developer’s
Manual
6 X X X Doc
Change
Change O_EN_CDET output to NO_CONNECT 21 Datasheet
7 X X X Doc
Change
Change Recommended Tx IPG Programming Value for
10/100/1000BASE-T 21 Developer’s
Manual
8 X X X Doc
Change
Remove Transmit Report Status Sent Function 21 Developer’s
Manual
9 X X X Doc
Change
Remove Transmit DMA Pre-fetching and Preemption
Functions (TXDMAC) 21 Developer’s
Manual
10 X X X Doc
Change
Remove Transmit Burst Timer Control Function (TBT) 22 Developer’s
Manual
11 X X X Doc
Change
Remove Adaptive IFS Throttle Function (AIT) 22 Developer’s
Manual