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Content Published June 25, 2016

Console Rear

console exterior internals symbolics teardown

Content Published June 24, 2016

3600 Keyboard - Bottom Right

Close up of Bottom Right keys of the Symbolics 3600 keyboard

keyboard symbolics

Content Published June 24, 2016

Symbolics keyboard logo

Close-up of the logo from a Symbolics 3600 keyboard, at the top left

keyboard logo symbolics

Content Published June 24, 2016

3600 Keyboard - bottom left

Close up of the bottom left of the Symbolics 3600 keys

keyboard symbolics

Content Published June 24, 2016

XL1201 Backplane - Top

This shows the top part of the XL1201 VMEbus backplane with the various connections.

Gray: SCSI Blue: ESDI? MFM? ST-506? Molex 4-pin drive power

The 2 black and 2 red are the main power supply. The other 4-pin power connector is... I don't know.

backplane pcb symbolics xl1201

Content Published June 24, 2016

FEPfs 28M Blocks

Showing a 28M block FEPfs installed on a size-limited ST336918N. Size was limited with sg_format --resize --count=28000000

fepfs genera screenshot symbolics

Content Published June 24, 2016

Copy LMFS 4

This initial attempt to copy the 1,000,000 block (but 0 length) LMFS failed and needed to be ABORTed. Note the BAND-TRANSFER error.

genera lmfs screenshot symbolics

Content Published June 24, 2016

FEP Formatted 34G Drive

Showing the machine configuration with a Seagate ST336918N formatted to its maximum size and with an otherwise empty FEP filesystem created.

fepfs genera screenshot scsi symbolics

Content Published June 24, 2016

Clean Genera FEP Files 3

Here are the FEP files in the tests directory on the clean Genera 8.3 disk from DKS

genera screenshot symbolics xl1201

Album Published June 24, 2016

Symbolics 3600 Keyboard Repair

When purchased, the Symbolics 3600 keyboard had five keys that didn't work reliably. These pictures document the before, after, and repair.

keyboard repair symbolics

Content Published June 23, 2016

Symbolics console logo - 1

Detail of the Symbolics logo on the Consoleo

console logo symbolics

Content Published June 23, 2016

Symbolics console logo - 2

Another detail of the Symbolics logo on the console, with glare from the macro ring flash

console logo symbolics

Content Published June 23, 2016

XL1201 Backplane SCSI Connector

The XL1201 Backplane's SCSI connector has one broken SCSI pin (#1, a ground) and a broken left side. It seems to work adequately due to having many ground pins.

backplane repair scsi symbolics

Content Published June 12, 2016

Power Supply Trim Pots

Symbolics Console Model PE36-PCONS: trim pots on the power supply

console pcb power-supply symbolics

Content Published June 12, 2016

Console G2

Symbolics Console Model PE36-PCONS Large Adjustment - G2 (Brightness?)

console deflection-board pcb symbolics

Content Published June 12, 2016

Console Focus

Symbolics Console Model PE36-PCONS Focus Adjustment

console deflection-board pcb symbolics

Content Published June 12, 2016

Vertical Adjustments

Symbolics Console Model PE36-PCONS Vertical Adjustments

console deflection-board pcb symbolics

Content Published June 12, 2016

Console Horizontal Controls

Symbolics Console Model PE36-PCONS Horizontal Adjustments

console deflection-board pcb symbolics