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Symbolics LISP Engineering

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June 25, 2016
Console Audio Out, Video Out, Processor In
June 25, 2016
Console Serial
June 25, 2016
Console Warnings
June 25, 2016
Console Serial Number
June 25, 2016
Console Right Tilted
June 25, 2016
Left Keyboard Mouse Ports
June 25, 2016
Right Keyboard Mouse Headphone Ports
June 25, 2016
Console Front Open Ports
June 25, 2016
Console Right
June 25, 2016
Console Front
June 25, 2016
Console Left
June 25, 2016
Console Rear
June 24, 2016
Copy LMFS 1

Copying a 0-byte, 1,000,000 block LMFS file (or not, as the case may be)
June 23, 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…
June 23, 2016
FEP Formatted 34G Drive

Showing the machine configuration with a Seagate ST336918N formatted to its maximum size and with an otherwise empty FEP filesyste…
June 23, 2016
FEPfs 28M Blocks

Showing a 28M block FEPfs installed on a size-limited ST336918N. Size was limited with sg_format --resize --count=28000000
June 23, 2016
FEPfs 20M blocks

Showing a 20M block FEPfs on a size-limited SCSI disk
June 23, 2016
SCSI2SD dual CD-ROM

Screenshot showing a dual-SCSI2SD and one HDD installation with two CD-ROMs configured on the second SCSI2SD. Bonus memory error c…
June 23, 2016
Boot-time Memory Error

Screenshot showing a memory error correction message, plus the detail from the log. This happens a few times a week.
June 23, 2016
3600 Keyboard - bottom left

Close up of the bottom left of the Symbolics 3600 keys
June 23, 2016
3600 Keyboard - Bottom Right

Close up of Bottom Right keys of the Symbolics 3600 keyboard
June 23, 2016
Symbolics console logo - 1

Detail of the Symbolics logo on the Consoleo
June 23, 2016
Symbolics console logo - 2

Another detail of the Symbolics logo on the console, with glare from the macro ring flash
June 23, 2016
Symbolics keyboard logo

Close-up of the logo from a Symbolics 3600 keyboard, at the top left
June 23, 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-…
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 d…
June 23, 2016
Clean Genera FEP Files 3

Here are the FEP files in the tests directory on the clean Genera 8.3 disk from DKS
June 23, 2016
Clean Genera FEP Files 2

Here are the FEP files in the patches directory on the clean Genera 8.3 disk from DKS
June 23, 2016
Clean Genera FEP Files 1

Here are the FEP files in the root directory on the clean Genera 8.3 disk from DKS
June 23, 2016
Clean Genera 8.3 Distribution Site

Booted from a clean drive from DKS, the XL1201 shows this herald
June 21, 2016
Symbolics 3600 Keyboard Repair in Progress

Image of the area and tools used to repair five bad solder joints on a Symbolics 3600 keyboard.
June 12, 2016
Key 82 traces

Symbolics Model 3600 keyboard, PCB, key 82 (right control) - seems to have a bad solder joint.
June 12, 2016
Key 80 traces

Symbolics Model 3600 Keyboard, PCB macro photograph, key 80 (left super)