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qj5Juga8T0uEE3vZ3+wbGA_thumb_16bac.jpg
Circuit board with small handle.

'Input Amplifier MS120 Exp 7-2-68' marked on board;

'Digital Equipment Corporation Maynard Massachusetts' marked on side of insertion handle edge.

QIkduyU2SC281ciC3EMevg_thumb_16a35.jpg
Circuit board with small handle. ' Inverter B104C' and '5-68' marked on board; 'B104' marked on handle.

'Digital Equipment Corporation Maynard Massachusetts' marked on insertion handle edge.

vmnQoDgaReOXhuSoOKsq4A_thumb_16baa.jpg
Circuit board with small handle.

'Linc 8 Capacitor and Power Up G906A' marked on board; 'G906' marked on handle.

'Digital Equipment Corporation Maynard Massachusetts' marked on side of insertion handle edge.

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Circuit board.
'Flip-Chip' and 'Control Board A1' marked on board along with the following groups of markings: '5009263E', '5409264', 'CS *' and the letter series of A-Z; and 'ATC2131580E'.

yzoot8YES+ibe%EyPCQYBw_thumb_16a41.jpg
Circuit board with small handle.

'Solenoid Drivers ', 'M044B' and '5008563' marked on board; 'M044' marked on handle.

'digital' marked on insertion handle edge.

Box printed with 'digital decproducts module', marker writing '6/1' and '1'…

V5W%XZ32RM23OlQ1i8BOSw_thumb_16a2a.jpg
circuit substrate board with markings but no electronics; with small handle.
'XOR Gates M121A' marked on board; 'DEC Flip Chip' marked on obverse.
'Digital Equipment Corporation Maynard Massachusetts' marked on insertion handle edge.

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Large circuit board with 2 locking metal insertion handles,. 4 back plane connectors.
Edge of board includes various markings, including: '4MB Q22 MOS MEM PAR' and 'M7127', and
'5017547-01-C1-P2' and 'M7551-CA'.
'LPWR' followed by the 'digital'…

TTibugwMRLucDKIv2B6%ig_thumb_16bda.jpg
Large circuit board with 2 locking metal insertion handles, and ribbon cable connector on one end; 4 back plane connectors on other.
Edge of board includes various markings, including:
'5404-01-B1' and 'LPWR' followed by the 'digital' logo, and…

IT8VCUXWTnWhA9cM8RbzpA_thumb_16bc8.jpg
Large circuit board
Board marked 'LPWR' and 'Diceon' and '94-0',
'M7135' and '5015381-01-C1' along with other various designations.
4 back plane connectors and two metal locking insertion handles.

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Circuit board with clear poly covering indicator lights and 4 switches.
''Maintenance Board 2 W131C' marked on board

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Circuit board with extended connector
''Maint. BD-1 W130B' marked on board

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Large circuit board; motherboard configuration.
Includes 6 PCI slots, 8 memory slots (filled), processor heat sink, serial and parallel cable connectors.
Front of board marked with 'digital' logo and '5420674-01'
front and back of board marked: …

UNADJUSTEDNONRAW_thumb_16bf6.jpg
Large circuit board with 2 locking plastic insertion handles, 5 back plane connectors. Aluminum heat sink attached to one processor; two additional LSI processor chips.
Heat sink has sticker that reads:
Part #: 21-35023-21
Revision: A
Date Cde:…

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Massive processor for servers, includes separable heat sink and stored in original antistatic plastic transport case.
Multiple chips are mounted to a board that is fastened to an aluminum mounting frame which includes ribbon cables and two…

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model number 4509 stamped on front
level standardizer 1502A written on circuit board end
serial number 0137536 stamped on side

IMG_9469.jpg
Bare backplane for connection of System Building Blocks including power connectors. Label applied to back reads '901 Model 2/26/61'. Sticker applied to front reads 'O.K. Inspected by (DLC in pen) Date: (9/12/61 in pen) Digital Equipment…

IMG_9461.jpg
System Building Block missing enclosure
Clock 3401 marked on front, number stamped '16134' front top. Two dial knobs with one having settings marked A, B, C, D, E

circuit board marked 'Clock Model 3401 D' and '00697'
'Digital Equipment…

IMG_9457.jpg
System Building Block in enclosure
Flip-Flop 3201 marked on front; number stamped '13006' front top.
circuit board marked FF 3201-E 00644
'Digital Equipment Corporation Maynard Massachusetts' marked on back.

IMG_9464.jpg
System Building Block in enclosure
Inverter 3101 marked on front; number stamped '21236' front top.

'Digital Equipment Corporation Maynard Massachusetts' marked on back.

IMG_9467.jpg
System Building Block in enclosure. Pulse Generator 3410 marked on front; number stamped '18418' front top.

'Digital Equipment Corporation Maynard Massachusetts' marked on back.