am79c961 Advanced Micro Devices, am79c961 Datasheet - Page 42

• Manufacturer Part Number: am79c961
• Description: Pcnettm-isa Jumperless Single-chip Ethernet Controller For Isa
• Manufacturer: Advanced Micro Devices

Serial EEPROM Byte Map
The following is a byte map of the XXC56 series of
EEPROMs used by the PCnet-ISA
1-516
Note:
Checksum 1 is calculated on words 0 through 5 plus word 7.
Checksum 2 is calculated on words 0 through 0x1Ah (first 54 Bytes).
EISA Config Reg.
Internal Registers
Plug and Play Reg. 13
See Appendix C
AMD
Location
Word
1A
1B
1F
10
11
12
14
15
16
17
18
19
20
A
B
C
D
E
F
0
1
2
3
4
5
6
7
8
9
+
Ethernet Controller.
Byte 1
Byte 3
Byte 5
Reserved
HWID (01H)
ASCII W(0 x 57H)
EISA Byte 1
EISA Byte 3
PnP 0x61
PnP 0x71
Unused
PnP 0x41
PnP 0x43
Unused
PnP 0x49
PnP 0x4b
Unused
8-bit Checksum 2
Plug and Play Starting Location
P R E L I M I N A R Y
MISC Config, ISACSR2
LED1 Config, ISACSR5
LED2 Config, ISACSR6
LED3 Config, ISACSR7
External Shift Chain
MSWRA, ISACSR1
16-Bit Checksum 1
MSRDA, ISACSR0
Unused Locations
Am79C961
User Space 1
This byte map is for the case where a PCnet Family
compatible software driver is implemented.
(This byte map is an application reference for use in de-
veloping AMD software devices.)
Byte 0
Byte 2
Byte 4
Reserved
Reserved
ASCII W(0 x 57H)
EISA Byte 0
EISA Byte 2
PnP 0x60
PnP 0x70
PnP 0x74
PnP 0x40
PnP 0x42
PnP 0x44
PnP 0x48
PnP 0x4A
PnP 0x4C
PnP 0xF0
I/O Ports
Interrupts
DMA Channels
ROM Memory
RAM Memory
Vendor Byte
See Appendix C
(Bytes 0–5)
IEEE Address