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VESA LocalBus (VLB)

VLB=VESA Local Bus.
VESA=Video Electronics Standards Association.

58 PIN EDGE CONNECTOR MALE (at the card)
58 PIN EDGE CONNECTOR FEMALE (at the computer)

58 PIN EDGE CONNECTOR FEMALE at the computer.

Pin Name Description
A1 D1 Data 1
A2 D3 Data 3
A3 GND Ground
A4 D5 Data 5
A5 D7 Data 7
A6 D9 Data 9
A7 D11 Data 11
A8 D13 Data 13
A9 D15 Data 15
A10 GND Ground
A11 D17 Data 17
A12 Vcc +5 VDC
A13 D19 Data 19
A14 D21 Data 21
A15 D23 Data 23
A16 D25 Data 25
A17 GND Ground
A18 D27 Data 27
A19 D29 Data 2
A20 D31 Data 31
A21 A30 Address 30
A22 A28 Address 28
A23 A26 Address 26
A24 GND Ground
A25 A24 Address 24
A26 A22 Address 22
A27 VCC +5 VDC
A28 A20 Address 20
A29 A18 Address 18
A30 A16 Address 16
A31 A14 Address 14
A32 A12 Address 12
A33 A10 Address 10
A34 A8 Address 8
A35 GND Ground
A36 A6 Address 6
A37 A4 Address 4
A38 WBACK# Write Back
A39 BE0# Byte Enable 0
A40 VCC +5 VDC
A41 BE1# Byte Enable 1
A42 BE2# Byte Enable 2
A43 GND Ground
A44 BE3# Byte Enable 3
A45 ADS# Address Strobe
A48 LRDY# Local Ready
A49 LDEV Local Device
A50 LREQ Local Request
A51 GND Ground
A52 LGNT Local Grant
A53 VCC +5 VDC
A54 ID2 Identification 2
A55 ID3 Identification 3
A56 ID4 Identification 4
A57 LKEN#  
A58 LEADS# Local Enable Address Strobe
B1 D0 Data 0
B2 D2 Data 2
B3 D4 Data 4
B4 D6 Data 6
B5 D8 Data 8
B6 GND Ground
B7 D10 Data 10
B8 D12 Data 12
B10 D14 Data 14
B11 D16 Data 16
B12 D18 Data 18
B13 D20 Data 20
B14 GND Ground
B15 D22 Data 22
B16 D24 Data 24
B17 D26 Data 26
B18 D28 Data 28
B19 D30 Data 30
B20 VCC +5 VDC
B21 A31 Address 31
B22 GND Ground
B23 A29 Address 29
B24 A27 Address 27
B25 A25 Address 25
B26 A23 Address 23
B27 A21 Address 21
B28 A19 Address 19
B29 GND Ground
B30 A17 Address 17
B31 A15 Address 15
B32 VCC +5 VDC
B33 A13 Address 13
B34 A11 Address 11
B35 A9 Address 9
B36 A7 Address 7
B37 A5 Address 5
B38 GND Ground
B39 A3 Address 3
B40 A2 Address 2
B41 n/c Not connected
B42 RESET# Reset
B43 DC# Data/Command
B44 M/IO# Memory/IO
B45 W/R# Write/Read
B48 RDYRTN# Ready Return
B49 GND Ground
B50 IRQ9 Interrupt 9
B51 BRDY# Burst Ready
B52 BLAST# Burst Last
B53 ID0 Identification 0
B54 ID1 Identification 1
B55 GND Ground
B56 LCLK Local Clock
B57 VCC +5 VDC
B58 LBS16# Local Bus Size 16

Contributor: Joakim Ögren

Source:¨* FAQ Part 4, maintained by Ralph Valentino

Copyright © The Hardware Book Team 1996-2001.
May be copied and redistributed, partially or in whole, as appropriate.
Document last modified: 2001-06-08