EISA總線定義
EISA 是 Extended Industry Standard Architecture 的(de)縮寫，由
Compaq, AST, Zenith, Tandy 等公司開發。
+---------------------------------------------+
| 元件面 |
| |
|___________ ISA-16bit __ ISA-8bit __|
||||||||||| ||||||||||||||||||| A1 正面/B1 反面
| | | | | | | | | | | | | | EISA: E1 正面/F1 反面
C1/D1
G1/H1
A,C,E,G=元件面
A,B,F,H=線路面
| Pin |
Name |
Description |
| E1 |
CMD# |
Command Phase |
| E2 |
START# |
Start Phase |
| E3 |
EXRDY |
EISA Ready |
| E4 |
EX32# |
EISA Slave Size 32 |
| E5 |
GND |
Ground |
| E6 |
KEY |
Access Key |
| E7 |
EX16# |
EISA Slave Size 16 |
| E8 |
SLBURST# |
Slave Burst |
| E9 |
MSBURST# |
Master Burst |
| E10 |
W/R# |
Write/Read |
| E11 |
GND |
Ground |
| E12 |
RES |
Reserved |
| E13 |
RES |
Reserved |
| E14 |
RES |
Reserved |
| E15 |
GND |
Ground |
| E16 |
KEY |
Access Key |
| E17 |
BE1# |
Byte Enable 1 |
| E18 |
LA31# |
Latchable Addressline 31 |
| E19 |
GND |
Ground |
| E20 |
LA30# |
Latchable Addressline 30 |
| E21 |
LA28# |
Latchable Addressline 28 |
| E22 |
LA27# |
Latchable Addressline 27 |
| E23 |
LA25# |
Latchable Addressline 25 |
| E24 |
GND |
Ground |
| E25 |
KEY |
Access Key |
| E26 |
LA15 |
Latchable Addressline 15 |
| E27 |
LA13 |
Latchable Addressline 13 |
| E28 |
LA12 |
Latchable Addressline 12 |
| E29 |
LA11 |
Latchable Addressline 11 |
| E30 |
GND |
Ground |
| E31 |
LA9 |
Latchable Addressline 9 |
| |
|
|
| F1 |
GND |
Ground |
| F2 |
+5V |
+5 VDC |
| F3 |
+5V |
+5 VDC |
| F4 |
--- |
|
| F5 |
--- |
|
| F6 |
KEY |
Access Key |
| F7 |
--- |
|
| F8 |
--- |
|
| F9 |
+12V |
+12 VDC |
| F10 |
M/IO# |
Memory/Input-Output |
| F11 |
LOCK# |
Lock bus |
| F12 |
RES |
Reserved |
| F13 |
GND |
Ground |
| F14 |
RES |
Reserved |
| F15 |
BE3# |
Byte Enable 3 |
| F16 |
KEY |
Access Key |
| F17 |
BE2# |
Byte Enable 2 |
| F18 |
BE0# |
Byte Enable 0 |
| F19 |
GND |
Ground |
| F20 |
+5V |
+5 VDC |
| F21 |
LA29# |
Latchable Addressline 29 |
| F22 |
GND |
Ground |
| F23 |
LA26# |
Latchable Addressline 26 |
| F24 |
LA24# |
Latchable Addressline 24 |
| F25 |
KEY |
Access Key |
| F26 |
LA16 |
Latchable Addressline 16 |
| F27 |
LA14 |
Latchable Addressline 14 |
| F28 |
+5V |
+5 VDC |
| F29 |
+5V |
+5 VDC |
| F30 |
GND |
Ground |
| F31 |
LA10 |
Latchable Addressline 10 |
| |
|
|
| G1 |
LA7 |
Latchable Addressline 7 |
| G2 |
GND |
Ground |
| G3 |
LA4 |
Latchable Addressline 4 |
| G4 |
LA3 |
Latchable Addressline 3 |
| G5 |
GND |
Ground |
| G6 |
KEY |
Access Key |
| G7 |
D17 |
Data 17 |
| G8 |
D19 |
Data 19 |
| G9 |
D20 |
Data 20 |
| G10 |
D22 |
Data 22 |
| G11 |
GND |
Ground |
| G12 |
D25 |
Data 25 |
| G13 |
D26 |
Data 26 |
| G14 |
D28 |
Data 28 |
| G15 |
KEY |
Access Key |
| G16 |
GND |
Ground |
| G17 |
D30 |
Data 30 |
| G18 |
D31 |
Data 31 |
| G19 |
MREQx |
Master Request |
| |
|
|
| H1 |
LA8 |
Latchable Addressline 8 |
| H2 |
LA6 |
Latchable Addressline 6 |
| H3 |
LA5 |
Latchable Addressline 5 |
| H4 |
+5V |
+5 VDC |
| H5 |
LA2 |
Latchable Addressline 2 |
| H6 |
KEY |
Access Key |
| H7 |
D16 |
Data 16 |
| H8 |
D18 |
Data 18 |
| H9 |
GND |
Ground |
| H10 |
D21 |
Data 21 |
| H11 |
D23 |
Data 23 |
| H12 |
D24 |
Data 24 |
| H13 |
GND |
Ground |
| H14 |
D27 |
Data 27 |
| H15 |
KEY |
Access Key |
| H16 |
D29 |
Data 29 |
| H17 |
+5V |
+5 VDC |
| H18 |
+5V |
+5 VDC |