Driver:Mac 68K:Tech Info:ASICs

Known Apple ASICs

Part number	Name/Info	Notes
337-0001	MC68000P8 (DIP)	Custom marked
337S0006	ATI 264GT
337S0078	'Control 1'?	TI-Manufactured, IIvx
337S7065	Curio	"Cure for I/O". Enhanced 8530 + 5380 + Ethernet
338-6523 or 338S6523	VIA	Custom marked
338S6525	VIA	Mac Portable, PB140/170
338S6526	65C22	VIA @ UC2, IIsi
3400257	NCR 53C80	Custom marked
341-0250-A	BMU1	PAL16L8, Mac512k
341-0251-A	LAG	PAL16R8?, Mac512k
341-0252-A	TSG	PAL16R6, Mac512k
341-0253-A	ASG	PAL16R8, Mac512k; implements a 6-bit PWM counter for floppy drive speed and audio
341-0254-A	TSM	PAL16R4, Mac512k
341-0255-A	BMU0	PAL16R4, Mac512k
341-0514-A	BMU1	PAL16L8, Plus
341-0515-A	LAG	PAL16R8, Plus
341-0516-A	TSG	PAL16R6, Plus
341-0517-A	ASG	PAL16R8, Plus; implements a 6-bit PWM counter for audio
341-0519-A	CAS	PAL20L8, Plus
341-0520-A	BMU2	PAL20R4, Plus
341-0522-A	TSM	VP16RP8MPC(PAL16R4), Plus
341-0538-A	GLU	PAL16L8, Mac SE
341-0633-A	PAL16R8B	@ UG7, SE/30; Clock generator for Video state machine
341-0635-A	PAL16R8B	@ UG6, SE/30; Beginning of Video state machine
341-0637-A	PAL16L8B	@ UE6, SE/30; End of Video state machine
341-0665-A	PAL16R4B	@ UI6, SE/30; Controls HSync and IRQ? in regards to CPU?
341S0689-C	PAL16L8D	@ UH7, SE/30; Controls RAM read/write signals in regards to CPU?
341-0688-A	PAL16R8B	@ UE7, SE/30; Middle of Video state machine
341-0746-A	PAL16R8	? @ UG7, replaces 341-0633-A, SE/30; Clock generator for Video state machine
341-0747-A	PAL16R8	? @ UG6, replaces 341-0635-A, SE/30; Beginning of Video state machine
341-0754-A	PAL16L8	? @ UE6, replaces 341-0637-A, SE/30; End of Video state machine
341-0755-A	PAL16R8	? @ UE7, replaces 341-0688-A, SE/30; Middle of Video state machine
341-0815-A	PAL16R8, IIsi
341-0816-A	PALC22V1, IIsi
341-0817-A	PALC22V1, IIsi
341S0025	PMU
341S0060	Cuda (v2.40)	Performa/Quadra 6xx, some PMac x200, PMac x400, some PMac x500, Pippin, Gossamer G3
341S0187(-B)	PG&E	68HC05PG Power Management Unit, also has keyboard scanner, quadrature decoder, and ADB. PB190, PB1400
341S0262	Cuda v3.0	some PMac x500, Bondi Blue iMac
341S0285	Cuda Lite	ADB and PS/2 support - PMac 4400 & clones
341S0345	ADB & Keyboard Microcontroller (M50740)	Apple IIgs ROM 0 & 1
341S0417	Cuda	Color Classic
341S0489	'DECODE'	Rom address decoder, IIvx
341S0632	ADB & Keyboard Microcontroller (M50741)	Apple IIgs ROM 3
341S0720	CAS PAL(PAL16R8?)	Classic
341S0788	Cuda (v2.37)	PRAM/RTC/ADB, PowerMac x100
341S0490	?	PAL?, IIvx
341S0815-A	PAL16R4	@ UJ10, IIsi
341S0816-A	PALC22V10	@ UJ8, IIsi
341S0817-A	PALC22V10	@ UE9, IIsi
341S0850	Egret (v1.01, earlier)	PRAM, RTC, ADB; IIsi and LC
341S0851	Egret (v1.01)	PRAM, RTC, ADB
341S0853	Caboose (v1.00)	Handles switches on case
341S0856-A	Interrupt PAL	AMD-Manufactured PALCE20V8H, encodes interrupt sources onto IPL0/1/2, Quadra 700
341S0879-B	'Control 2'?	AMD-Manufactured, IIvx
341S0934	PG&E	68HC05 Power Management Unit, also has keyboard scanner, quadrature decoder, and ADB. PB5x0
342S0440(-A/B)	“ADB Modem" manufactured by Microchip	SE-FD/HD,II,IIx,IIcx,IIci,SE-30,Quadra 700
342S0740-2	KYBD	Mac Portable; Mitsubishi M50740
342S0743-1	KYBD	PB140/170 keyboard microcontroller. Mitsubishi M50740
342S0753-A	PMGR	Mac Portable; Mitsubishi M50753 power manager and ADB host
342S0854-2	PMU	Power Management Unit
3430045B	“Sony Sound Chip”	PWM audio DAC
343-0071	U1M HYBRID	Hybrid IC carrier, Mac Portable
343-0155-A	V8	Memory controller, VIA1, pseudo-VIA2, sound, and video. LC II
343-1086	GSC	Gray Scale video Controller (actually a Chips & Technologies part)
343-1087	CPUGLU
343-1090	MISCGLU
343S0014	Orbit
343S0018-01	?	PM7500/100
343S0020	Bandit	PCI host bridge
343S0021	Ninety9	Composite video encoder (NTSC/PAL/SECAM)
343S0042	RTC	Real-time clock and 256 bytes of PRAM. Mac II, IIx, IIcx, IIci, Quadra 700/900/950, Apple IIgs
343S0045-B	SOUND	Performa 200, Mac Portable, probably PWM audio DAC
343S0060-A	VASP	Memory & I/O controller w/audio, video
343S0061(-A)	SWIM GCR/MFM floppy controller
343S0065	PSX+	Memory controller and PCI host bridge
343S0103	Orwell	Memory controller. Also called "MCU (Memory Control Unit)" in some places. Quadra 700
343S0105	Relayer	Works with JDB to convert the 68040 bus for I/O chips. Quadra 700
343S0106	JDB	Junction Data Bus. Works with Relayer to convert the 68040 bus for I/O chips. Quadra 700
343S0107	BBU	"Bob Bailey Unit", integrates many of the functions from the original Mac including memory control, video, and audio. SE
343S0113	Sporty	aka CSEAA, Custom Stereo Enhanced Audio Amplifier
343S0116-A	V8	I/O controller (includes VIA1, pseudo-VIA2, video, and sound). LC/LC II
343S0124-01	PG&E	68HC05PG Power Management Unit, also has keyboard scanner, quadrature decoder, and ADB. Duo 210/230/250
343S0129	DFAC II	Digitally Filtered Audio Chip II. Audio input and output filters.
343S0132	Spice	I/O controller (includes SWIM II, VIA1, pseudo-VIA2, video, sound, and pushbutton interface). Color Classic
343S0135	PrimeTime	I/O controller (includes SWIM II, VIA1, pseudo-VIA2, sound, and 040 to 030 bus translator). Quadra 605 and LC 475/575
343S0137	SWIM III	GCR/MFM Floppy controller with DMA.
343S0138	PrimeTime II	I/O controller (includes SWIM II, VIA1, pseudo-VIA2, and sound). Quadra 630, LC630, LC580.
343S0140	AWACS	Audio DAC
343S0147	Barney	also called “TREX”
343S0148-01	FAT AMIC	WGS
343S0152	Aspen	Memory controller and PCI host bridge. Pippin
343S0153	Taos	Video controller. Pippin
343S0161	Gazelle	Video clock generator, LC 475/575, Quadra 605
343S0164-A	MEMCjr	Memory controller
343S0172	O'Hare (PQFP)	PCI I/O controller. VIA1, MESH SCSI, ATA, SWIM III, AWACS/Singer interface, GPIO, button/LED support.
343S0173(-B)	O'Hare (BGA)	PCI I/O controller. VIA1, MESH SCSI, ATA, SWIM III, AWACS/Singer interface, GPIO, button/LED support. PB2400/3400
343S0180	Whitney 3 (?)
343S0184	Screamer	Audio
343S0211	Intrepid	U2 north bridge plus KeyLargo south bridge
343S0704	Sebastian	Video RAMDAC
343S0801	AMIC	Apple Memory-mapped I/O Controller. PowerMac 6100/7100/8100, WGS
343S0802(-A)	HMC	High-speed Memory Controller. PowerMac 6100/7100/8100, WGS
343S1018(A)	MDU	Memory Decode Unit (IIci/IIsi)
343S1019(A)	RBV	RAM-Based Video (IIci/IIsi)
343S1020(-A)	NuChip30	NuBus bridge
343S1027	Bus Transceiver	comes in a pair of 2; IIsi, IIvx, Q700
343S1030	Sandwich II	DMA controller, Apple II High-Speed SCSI Card
343S1035	SDV	Single DMA Video, memory, video, and DMA controller for 030 LaserWriters
343S1036(-A)	Enhanced Apple Sound Chip (EASC)
343S1039	MUNI
343S1047	DDC	Video. Called "Omaha2" on schematic. Portable, PB100, PB140, PB145, PB170
343S1048-1	Peripheral Glue	Handles buffering, IRQ routing, clocks, and power control for I/O chips. PB140/170
343S1049	Jaws	Memory controller and main system glue. Called "Piranha2" on schematic. PB140/170
343S1054-A	Eagle	Memory & I/O controller w/audio, video
343S1055	MSC	Memory controller. PowerBook 150 & PB Duo 210/230
343S1065	Sonora	Memory & I/O controller w/audio, video
343S1069(-A)	Ariel	Video RAMDAC
343S1074	Ariel	Video RAMDAC. IIvx
343S1077	djMEMC	Memory controller with integrated DAFB-II video
343S1078	IOSB	I/O Subsystem Buffer. Quadra 610/650/800
343S1091	Antelope	Video RAMDAC
343S1095(-A)	Nubus
343S1096	Civic	Framebuffer controller, Quadra 660AV/840AV
343S1097	YMCA	Memory controller
343S1098	???	I/O controller (Sonora/Ardbeg derivative), Color Classic II
343S1100	PSC	I/O controller, Quadra 660AV, 840AV
343S1103(-A)	Civic	Framebuffer controller
343S1105	Whitney	I/O controller
343S1109	Tinker Bell	I/O controller (Sonora/Ardbeg derivative), Mac TV
343S1110	Wendy	Video in, Mac TV
343S1113	Pratt	Memory controller
343S1118	MSC	Memory controller
343S1123	Keystone	External video controller for some PowerBooks
343S1124	BART	NuBus controller
343S1125	Grand Central	PCI I/O controller, VIA1, SWIM III, DB-DMA, interfaces to audio, SCC, Ethernet, SCSI.
343S1126	Bandit	PCI host bridge
343S1129(-A)	PSC	I/O controller
343S1133	Valkyrie	Video controller
343S1136	F108	Memory controller, SCSI, ATA, and SCC
343S1138-04	Plan B	Video in DMA engine, PowerMac 7500/100
343S1141	Zax	Memory datapath, PowerMac 8600/9600
343S1144	Data Path	Bus buffering and video data routing. PowerMac 6100/7100/8100
343S1146	MESH	Macintosh Enhanced SCSI Hardware. Modified/simplified 53C94/96 core. Pippin, PowerMac 7500, integrated in F108, O'Hare, Heathrow
343S1148	PBX	Memory controller. PowerBook 1400, 5300, PB Duo 2300c
343S1154	Control	Specialized PCI host bridge. Works with Chaos for video. PowerMac 7300/7500/7600/8500/8600
343S1155	Chaos	(also spelled "Kaos" in some places) Video. Works with Control. PowerMac 7300/7500/7600/8500/8600
343S1159	Baboon	ATA interface
343S1161	DATA PATH	WGS
343S1164	BART	WGS
343S1166	Dacula	Video RAMDAC
343S1180	RaDACal	Video RAMDAC
343S1181	Capella	Converts 040 bus for PPC603
343S1183	PSX	Memory controller and PCI host bridge
343S1184	Platinum	Memory controller
343S1185	Iridium	Video controller
343S1190	Hammerhead	Memory controller
343S1191(-A)	Athens Prime	Clock/timing controller
343S1201	Heathrow	PCI Mac I/O chip with VIA1, MESH SCSI, SWIM III, PC floppy controller, DB-DMA, 10Mbps Ethernet, button and LED support
343S1202(-2)	PSX+	Memory controller and PCI host bridge, for faster buses than original PSX
343S1206	Valkyrie AV2	Video
343S1211	Paddington	PCI Mac I/O chip with VIA1, MESH SCSI, SWIM III, PC floppy controller, DB-DMA, 10/100 Ethernet, button and LED support. iMac, Blue & White G3, "Lombard" and "Pismo" PowerBook G3
343S6502	65C02	Apple IIe Card
344-0010	MMU	Apple IIe
344-0011	MMU	Apple IIc, Apple IIc Plus
344-0021	IOU	Apple IIc Plus
344-0022	IOU	Apple IIe
344-0023	IOU	Apple IIc
344-0038	MIG	Multi-drive Interface Glue, Apple IIc Plus
344-0040	RTC	Mac 128K/512K
344-0041(-A/B)	IWM
344S0041	IWM	Apple IIe Card
344S0042(-A/B)	RTC
344-0043-A	IWM (SWIM Pinout version)	Apple IIgs and Mac SE
344S0046	VGC	Video Graphics Controller, Apple IIgs
344S0047	Mega II	Apple IIgs
344S0048	Keyboard GLU	Apple IIgs
344S0049	Slotmaker	Apple IIgs
344S0050	FPI	Fast Processor Interface, Apple IIgs
344S0052	Sound GLU	Apple IIgs
344S0061-A	SWIM
344S0063(-1,-A)	ASC	Apple Sound Chip
344S0064	SCSIDMA	Modified 53c80, IIfx
344S0066-01	CYA	Control Your Apple, Apple IIgs ROM 3
344S0074	BIU30	Nubus interface, IIfx
344S0075	BIU2	Nubus interface, IIfx
344S0076	OSS	Operating System Support (IRQ controller), IIfx
344S0100-01	Egret (v1.00)	IIsi
343S0104-A	YANCC	Yet Another NuBus Controller Chip. Quadra 700/900/950
344S0111(-01/-A)	GEMINI	Apple IIe Card
344S0112-02	DAFB	Direct Access Frame Buffer, video. Quadra 700/900 - Q950 uses DAFB II.
344S0602(-A)	GLUE CHIP	II, IIx, IIcx, SE/30
344S0603-A	BBU	Mac SE
344S0607	Zip Chip	Licensed Zip Chip logic for Apple IIc Plus
344S0608-02	CPU GLU	Mac Portable
344S0609-01	VIDEO	Mac Portable
344S0610-1	MISC GLU	Mac Portable
344S1018-03	MDU	Memory Decode Unit, memory controller. @ UI4, IIsi
344S1019-01	RBV	RAM-based video. @ UA3, IIsi
344S1021	PIC	65c02 based I/O microcontroller, IIfx, Quadra 900/950
344S1029(-A)	SWIM	Mac Portable, PowerBook 140/170
344S1033-B	DFAC	Digitally Filtered Audio Chip
353S0182	Gated Clocks	PCI Arbiter
357S0006	Endeavor	Programmable video clock generator, remarked DP8531V
357S0010-A	RAMDAC	Bt ?model? RAMDAC
377S6553	Beruit
377S7014	CSC	Chips & Technologies 65225
377S9624	CSC	Chips & Technologies 65220
65210	N/A	Chips & Technologies video controller
68HC05	N/A	Egret/Cuda/Caboose on desktops, “PG&E” PMU on portables
79c50	Curio	"Cure for I/O". Enhanced 8530 + 5380 + Ethernet
CS4216	Crystal Semiconductor audio
CS4217	Crystal Semiconductor audio
uPD72070GF	New Age	NEC765-derived FDC
85c80	Combo	AMD 85c30 + 53c80
MPC106	Grackle	Memory controller and PCI host bridge
M50753	PMU	Power manager and ADB host on most 68000 and '030 PowerBooks.
PCI1130PDV	PCI/Cardbus bridge
WD90C26	PowerBook 165c/180c video chip (not “Pangola”, which is separate)
WD90C55	PowerBook 165c/180c LCD driver