Skip to main content
Home Forums 68kMLA Which Dip Switch setting do I need for VGA LCD? — #2
Post #2 by Trash80toHP_Mini
Source Forum68kMLA
CategoryHardware
Post DateSun, 5 Oct 2014 - 16:49
Original URLhttps://68kmla.org/bb/threads/which-dip-switch-setting-do-i-need-for-vga-lcd.307/
Post
Looks like you needto build an additional adapter, dunno which settings you'll need. Played with what I could find at work last night,but haven't checked tha Apple pinout against my Mac Library.

No time for formatting, off to work.

Pin__SGI_______SGI__SUN SPARC__SUN (older)__VGA__Apple

A1___Red_______Red__Red________Red_______________Blue

A2___Green_____Green__Green__Green________Green

A3___Blue_____Blue__Blue__Blue_________Red

01___Mon 3_____Data clk. (SCL)___Serial Read___N/C___Red H.___Sync Ground

02___Mon 0_____Bidirect. data (SDA) V. sync N/C Green V. Sync Ground

03___C. sync___Gnd_______Sense 0 Sense 2 Blue Sense 3

04___H. sync___H. sync___Gnd___Gnd___N/C or ID bit 2 Sense Ground

05___V. sync___V. sync_________C. sync___C. sync___Gnd___C. Sync

06___Mon 1_____DDC 5v+ input___H. sync.___N/C (Red)___Gnd___H. Sync Ground

07___Mon 2_____DDC Gnd_________Serial write___N/C (Grn)___Gnd___V. Sync Ground

08___Dig. Gnd___Gnd___Sense 1___Sense 1 (Blu) Gnd___Sense 2

09___Dig. Gnd___Gnd___Sense 2___Sense 0___NO PIN (key)___Sense 1

10___Dig. Gnd_Gnd___Gnd___Gnd___(Sync) Gnd___C. Sync Ground

11__________________________N/C or ID Bit 0

12____________________________DDC Data (SDA) or ID Bit 1

13__________________H. sync or C. sync

14_________________________________V. sync

15______________________DDC Clock (SCL) or ID Bit 3

paste this into a spreadsheet, I'll finish the .TXT formatted later for posterity.

Pin SGI 13W3 SGI 13W3 (DDC) SUN 13W3 (SPARC) SUN 13W3 (older) VGA Apple

A1 Red Red Red Red Blue

A2 Green Green Green Green Green

A3 Blue Blue Blue Blue Red

1 10/03/14 Data clk. (SCL) Serial Read N/C Red H. Sync Ground

2 Mon 0 Bidirect. data (SDA) V. sync N/C Green V. Sync Ground

3 C. sync Gnd Sense 0 Sense 2 Blue Sense 3

4 H. sync H. sync Gnd Gnd N/C or ID bit 2 Sense Ground

5 V. sync V. sync C. sync C. sync Gnd C. Sync

6 Mon 0 DDC 5v+ input H. sync. N/C (Red) Gnd H. Sync Ground

7 10/01/14 DDC Gnd Serial write N/C (Grn) Gnd V. Sync Ground

8 Dig. Gnd Gnd Sense 1 Sense 1 (Blu) Gnd Sense 2

9 Dig. Gnd Gnd Sense 2 Sense 0 NO PIN (key) Sense 1

10 Dig. Gnd Gnd Gnd Gnd (Sync) Gnd C. Sync Ground

11 N/C or ID Bit 0

12 DDC Data (SDA) or ID Bit 1

13 H. sync or C. sync

14 V. sync

15 DDC Clock (SCL) or ID Bit 3

Holy CRAP! coldn't get the tab delimitation to work with earlier iterations of the spreadsheet!

edit: ditto, looked good in the .TXT window though. :-/

>

mp.ls