Connector - EISAEISA=Extended Industry Standard Architecture. Developed by Compaq, AST, Zenith, Tandy...62+38 PIN EDGE CONNECTOR at the computer. | Pin | Name | Description |
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| 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 | | H19 | MAKx | Master Acknowledge |
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