Number |
1 |
2 |
3 |
Note |
PC #2 |
Has 2nd level cache
problem. |
|
Board |
|||
Printings
on board upside |
NX586 REFERENCE DESIGN 2 FAB REV. C1 NEXGEN INC. COPYRIGHT 1995 ALL RIGHTS RESERVED |
NX586 REFERENCE DESIGN 2 FAB REV. C1 NEXGEN INC. COPYRIGHT 1995 ALL RIGHTS RESERVED |
NX586 REFERENCE DESIGN 2 FAB REV. C1 NEXGEN INC. COPYRIGHT 1995 ALL RIGHTS RESERVED |
Printings
on board downside |
K2 V-0 94V-0 9531 |
SFL 40V0 94V-0 9532 |
K2 V-0 94V-0 9533 |
94V-0
= UL94 Flame
Class |
|||
Sticker on
ISA slot |
FGB-MB00-009100
ALA59U00368 |
DEX00000282, QC OK |
FGB-MB00-009100
ALA59X10716, FGB-MB00-009400 AVC62001573 |
All
Alaris product IDs
start with "FGB-", and "MB" is for motherboard. What is "DEX"? |
|||
Stamps on
board downside |
TS11, QA3, UMAI 8, T2 |
none |
ICT17, FT34, F9539 |
Sticker on
board downside |
none |
MADE IN TAIWAN SEMI-AQUEOUS (NO CFC CLEAN) |
none |
Parts |
|||
U01 Quad Line Driver |
(NatSemi) P53AD DS1488N |
MC1488D XAC526 |
tbd |
U02 Quad Line Receivers |
(NatSemi) P53AB DS1489AM |
MC1489AD XAA531 |
tbd |
U03 |
(NatSemi) P53AD DS1488M |
tbd |
tbd |
U10, U11,
U12, U13, U14, U15, U16, U17, U18, U19 |
(NatSemi) P54AN 74F245 |
tbd |
tbd |
U20 |
HCT14A (Motorola) XAA440 |
tbd |
tbd |
U21 |
(NatSemi) P53AL 74F32 |
tbd |
tbd |
U22 |
(NatSemi) P53AB DM74LS05M |
tbd |
tbd |
U23 Keyboard Controller |
MEGAKEY™ ©’94 AM MEG RR L5261171 |
MEGA-KB-H-Q (C)’85-’92 AM. MEGATRENDS PR9530 45215890 |
MEGAKEY™ ©’94 AM MEG RR L5261006 (M)©’77 |
U24 Floppy Disk Controller |
SMC® FDC37C665GT A9529-E247-AIC 6T76172-3 |
SMC® FDC37C665GT A9551-E247-AIC 6R78236-4 |
SMC® FDC37C665GT A9526-E247-AIC 6T75906-5 |
U25 |
(NatSemi) P53AB DS1489AM |
tbd |
tbd |
U26 |
(NatSemi) P53AB DS1489AM |
tbd |
tbd |
U27 Bus Master PCI-IDE Controller |
(Symphony) SYMPHONY SL82C105 25199020 9525 201 A2A |
SYMPHONY SL82C105 25212100 9539 201 A2A |
SYMPHONY SL82C105 25210290 9532 201 A2A |
U28 Integrated Buffer and Frequency Generator |
W48C60 -407G |
ICS9159M 9533-07 520509 |
W48C60 -407G |
U29 Northbridge |
NexGen™ 9528 B601361 VL82C501PSFC © 1995 NxPCI NexGen, Inc. |
NexGen™ 9536 B616842 VL82C501PSFC © 1995 NxPCI NexGen, Inc. |
NexGen™ 9531 B610242 VL82C501PSFC © 1995 NxPCI NexGen, Inc. |
U30 Memory Controller |
NexGen™ 9528 B601352 VL82C500PSFC © 1995 NxMC NexGen, Inc. |
NexGen™ 9538 B620831 VL82C500PSFC1 © 1995 NxMC NexGen, Inc. |
NexGen™ 9534 B612452 VL82C500PSFC1 © 1995 NxMC NexGen, Inc. |
U31, U33,
U35, U37, U38, U39, U49,
U50 Second Level Cache |
EtronTech Em51256C-12J TZ24C1003 |
IS61C256AH-12JR C1008300J6 9541 |
UM61256AS-12 9531S N61132 |
U32 |
empty |
empty |
empty |
U34 CPU (socketed) |
NexGen™ Manufactured by IBM Nx586™ processor with RISC86™ Microarchitecture ©® NexGen 94 95 PF100-E/E Nx586-E A-2DCPC-202,001 NXNX11002886-008 |
NexGen™ Nx586™ Processor ©® NexGen 94-95 Nx586-XXXX-4.0-CPC-202 AAP6407 P20B00XR P33004XR |
NexGen™ Nx586™ Processor ©® NexGen 94-95 P100-4.5 Nx586-XXXX-4.0-CPC-202 AAO3883 P18F03XR P30013XR |
downside |
none |
P90 E/E |
tbd |
Cooler/Fan |
no markings |
ENERTRON PAT. PENDING Nx586-02-15 E539 TAIWAN |
ENERTRON PAT. PENDING Nx586-02-15 E540 TAIWAN |
U36 |
empty |
empty |
empty |
U40 |
74HCT00D V4R15BME (Philips) CRn9522 D |
tbd |
tbd |
U41 |
(NatSemi) P53AB DM74LS05M |
tbd |
tbd |
U42 BIOS EEPROM (socketed) |
tbd |
SST PH29EE010 150-3CF 952333-E |
SST PH29EE010 150-3CF 953421-E |
BIOS sticker |
AMIBIOS AMERICAN MEGATRENDS NexGen Nx586™ PCI BIOS AA0082491 © ‘86-’95 |
AMIBIOS AMERICAN MEGATRENDS NexGen Nx586™ PCI BIOS AA0051450 © ‘86-’95 |
AMIBIOS AMERICAN MEGATRENDS NexGen Nx586™ PCI BIOS AA0134096 © ‘86-’95 |
U43 Southbridge |
intel PCIset S82378ZB S Z905 17ILRW9517 (Intel) AB8242.1 © ’92 Taiwan |
intel PCIset S82378ZB S Z905 27ILC4 9527 (Intel) AC1918.1 © ’92 Taiwan |
intel PCIset S82378ZB S Z905 19ILB5 9529 (Intel) AB8924.1 © ’92 Taiwan |
U44 |
(NatSemi) P54AN 74F245 |
tbd |
tbd |
U45 Realtime Clock (socketed) |
(Clock) DALLAS DS12887A REAL TIME 9530A2 064582 |
DALLAS DS12887A REAL TIME 9544A2 069436 |
DALLAS DS12887A REAL TIME 9531A2 064988 |
U46 |
(NatSemi) P53AJ 74F138 |
tbd |
tbd |
U47 |
(NatSemi) P53AY 74F08 |
tbd |
tbd |
U48 Dual Operational Amplifier |
LT519 1431 |
LT532 1431 |
tbd |
Q2 |
SMP50N06 -25 (Delta) T524BS |
IRFZ44 IR 9524 4Q 3U |
tbd |
Jumper |
|||
JP01 |
2-3 |
2-3 |
2-3 |
JP02 |
OUT |
OUT |
OUT |
JP03 |
OUT |
OUT |
OUT |
JP04 |
IN |
IN |
IN |
JP05 |
IN |
IN |
IN |
JP06 |
2-3 |
2-3 |
2-3 |
JP07 |
1-2 |
1-2 |
1-2 |
JP08 |
1-2 |
1-2 |
1-2 |
JP09 |
OUT |
IN |
OUT |
JP10 |
IN |
OUT |
IN |
JP11 |
OUT |
OUT |
OUT |
JP12 |
IN |
IN |
IN |
JP13 |
open |
open |
open |
JP14 |
1-2 |
2-3 |
2-3 |
JP15 |
OUT |
OUT |
OUT |
JP16 |
OUT |
OUT |
OUT |
JP17 |
OUT |
OUT |
OUT |
JP18 |
2-3 |
2-3 |
2-3 |
JP19 |
open |
open |
open |
JP20 |
OUT |
OUT |
OUT |
JP21 |
open |
open |
open |
JP22 |
2R3 1.6 KOhm |
2R3 tbd |
2R3 1.6 KOhm |
J01 |
open |
open |
open |
J03 |
OUT |
OUT |
OUT |
J07 |
horizontal |
horizontal | horizontal |
Legend | |
tbd |
to be done |
(NatSemi) |
the National Semiconductor Logo: N |
(Symphony) |
the Symphony Labs Logo: a clef |
(Motorola) |
the Motorola Logo: an M in a circle |
(Intel) |
the Intel Logo: i |
(Clock) |
logo: an old-style alarm-clock |
(Delta) |
the uppercase greek letter delta |
1-2 |
jumper is between pins 1 and 2 |
2R3 |
resistor is between hole 2 and 3 |
IN |
jumper is inserted |
OUT |
jumper is removed |
open |
only pads on the board, no pins, open |
close |
only pads on the board, no pins, closed |
Author: Herbert Oppmann (![]() |
updated: 2022-11-13 |