CMD RAMLINK PC BOARDS
EARLY MODEL (1990), MAIN BOARD IC'S
ID PART # GENERIC IC FUNCTION
U1 RL-701002B GAL20V8A-25LP
U2 RL-701037D GAL20V8A-25LP
U3 RL-701018A GAL16V8A-25LP
U4 RL-701017A GAL16V8A-25LP
U5 RL-701003 27512 DOS EPROM, versions 1.40, 2.00, 2.01, ETC.
U6 74LS139N
U7 74AHCT74
U8 74AHCT74N
U9 7407
U10 N/A BLANK SPACE
U11 D8255AC-5
U12 74LS174N
U13 6264LP-15 SRAM
U14 74F157N
U15 74HCT193E
U16 74HC04AP
U17 74LS14
U18 AN7807 3 TERMINAL REGULATOR
U19 74LS157NA
U20 N/A BLANK SPACE
Q1 2N3906 TRANSISTOR, PNP, SIGNAL
Q2 TIP42C TRANSISTOR, PNP, PWR, TO220
Q3 TIP41C TRANSISTOR, NPN, PWR, TO220
LATE MODEL (1992), MAIN BOARD IC'S
ID PART # GENERIC IC FUNCTION
U1 RL-701002D GAL20V8A-25LP
U2 RL-701037D GAL20V8A-25LP
U3 RL-701018A GAL16V8A-25LP (ALT: RLDIRECT-A)
U4 RL-701017C GAL16V8A-25LP
U5 RL-701003 27512 DOS EPROM, version 2.01
U6 74LS139N
U7 74HC109N
U8 74HC32BI
U9 7407
U11 D8255AC-2
U12 74LS174N
U13 HY6264P-12 SRAM
U14 LM393N
U15 74HC14N
U16 RL-701519A GAL16V8A-25LP
U17 74LS14
U18 LM340TS 3 TERMINAL REGULATOR
U19 74LS157NA
U21 LM317
Q1 2N3906 TRANSISTOR, PNP, SIGNAL
Q2 TIP32C TRANSISTOR, PNP, PWR, TO220
Q3 TIP31C TRANSISTOR, NPN, PWR, TO220
Q4 2N3904 TRANSISTOR, NPN, SIGNAL
Q5 TIP32 TRANSISTOR, PNP, PWR, TO220
EARLY SIMM BOARD (1990) IC'S (no RTC)
ID PART # GENERIC IC
U1 74HCT193E
U2 RL-701102A
U3 74157
U4 74157
U5 74157
U6 TMP8255AP-5
AND SIMM SOCKETS, FOUR BANKS
LATE SIMM BOARD (1992) IC'S
ID PART # GENERIC IC
U1 RL701606A RTC GAL16V8-25LNC
U2 RL701102B GAL20V8-25LP
U3 74157F
U4 74157F
U5 74157F
U6 72421B 1492C RTC
U7 74HCT374N
U8 74HCT374N
AND SIMM SOCKETS, FOUR BANKS