C64/C128 I/O performances

Numbers may change due to bugfixes and changes in IDEDOS 0.9x! For corrections write to soci at server c64.rulez.org.

• All systems are PAL.
• C64/C128 means stock machine, native mode
• 1541/1571/1581 means stock drive
• C64J/C128J means C64/C128 with JiffyDOS 6.01
• 1541J means 1541 with JiffyDOS 5.0
• 1571J/1581J means 1571/1581 with JiffyDOS 6.0
• C64S means C64 with SpeedDOS Plus (and cable)
• 1541S means 1541 with SpeedDOS Plus
• C64D means C64 with Dolphin DOS 2.0 Plus (and cable)
• 1541D means 1541 with Dolphin DOS 2.0
• SCPU means SuperCPU64 at 20 MHz
• ID means IDEDOS (IDE64 cartridge)
• CHS/LBA means accessing mode of harddisk
• XPCLink means PCLink over X1541, XA1541, XM1541 or XE1541 cable
• PPCLink means PCLink over PC64 parallel cable
• EPCLink means PCLink over ethernet crosslink cable

  Time is represented in seconds for the transfer of a 185 block program.

  LOAD ($FFD5)

  Machine, device		Speed (1000 bytes/sec)	Time
  C64	Datassette	0.04	1121.5
  C64	1541	0.40	116.9
  C64	1571	0.41	114.3
  C64	Datassette Turbo Tape 64	0.44	107.1
  C64	64HDD V0.75 Normal	0.48	99.2
  C64	1581	0.55	85.0
  C64	64HDD V0.75 Faster	0.56	84.6
  C64	CMD-HD	0.62	76.6
  C64	64HDD V0.75 Fastest	0.63	75.4
  C64J	1541J	3.6	13.0
  C64S	1541S	3.6	12.9
  C128	1571	3.8	12.5
  C64	XPCLink+CRC	4.7	10.0
  C64	XPCLink	5.1	9.3
  C64J	1571J	5.1	9.3
  C128J	1571J	5.2	9.0
  C64J	FD2000	6.1	7.7
  SCPU	XPCLink+CRC	6.3	7.5
  SCPU	XPCLink	6.8	7.0
  C64	PPCLink slow+CRC	7.7	6.2
  C64J	1581J	7.8	6.0
  C128J	1581J	8.1	5.8
  C64	PPCLink slow	8.6	5.5
  C64J	CMD-HD	8.8	5.4
  C64	PPCLink+CRC	9.0	5.2
  C64	PPCLink	10.3	4.6
  C64D	1541D	11.0	4.3
  SCPU	PPCLink slow+CRC	11.5	4.1
  SCPU	PPCLink slow	13.3	3.5
  SCPU	PPCLink+CRC	14.4	3.3
  SCPU	PPCLink	17.4	2.7
  C64	UPCLink	21.5	2.2
  C64	EPCLink+ETFE	21.7	2.2
  C64	ID 0.9x v0.11 1.2Mb LS-120	22.8	2.1
  C64	ID 0.9x v0.11 720Kb LS-120	23.4	2.0
  SCPU	ID 0.9x v0.11 720Kb LS-120	23.7	2.0
  C64	ID 0.9x v0.11 1.44Mb LS-120	24.3	1.9
  SCPU	ID 0.9x v0.11 1.2Mb LS-120	36.6	1.3
  C64	ID 0.9x v0.11 120Mb LS-120	39.3	1.2
  SCPU	ID 0.9x v0.11 1.44Mb LS-120	42.2	1.1
  SCPU	UPCLink	43.6	1.1
  SCPU	ID 0.9x v0.11 120Mb LS-120	46.9	1.0
  SCPU	EPCLink+ETFE	49.9	0.9
  C64	Ramlink 4Mb	50.7	0.9
  C64	ID 0.9x v0.11 250Mb ZiP250	63.7	0.7
  C64	ID 0.9x v0.11 100Mb ZiP100	64.3	0.7
  C64	ID 0.90 v0.11 LBA SanDisk 16Mb CF	70.9	0.7
  C64	ID 0.9x v0.11 CHS Quantum FB640a	71.8	0.7
  C64	ID 0.9x v0.11 LBA Quantum FB640a	71.8	0.7
  SCPU	ID 0.9x v0.11 100Mb ZiP100	83.5	0.6
  C64	ID 0.9x v0.11 4.1 Samsung CF/ATA 256Mb	84.2	0.6
  C64	1764 RamDOS 3.3	239.6	0.2
  SCPU	ID 0.90 v0.11 LBA SanDisk 16Mb CF	259.1	0.2
  SCPU	ID 0.9x v0.11 CHS Quantum FB640a	278.9	0.2
  SCPU	ID 0.9x v0.11 LBA Quantum FB640a	279.3	0.2
  SCPU	ID 0.9x v0.11 4.1 Samsung CF/ATA 256Mb	331.5	0.1
  SCPU	Ramlink 4Mb	393.3	0.1

  
  

  CHRIN ($FFCF)

  Machine, device		Speed (bytes/sec)	Time
  C64	Datassette	30	1570.1
  C64	1541	404	116.6
  C64	1571	413	114.1
  C64	64HDD V0.75 Normal	481	97.9
  C64	1581	548	86.0
  C64	64HDD V0.75 Faster	559	84.3
  C64	64HDD V0.75 Fastest	627	75.1
  C64	CMD-HD	634	74.3
  C64J	1541J	989	47.6
  C128J	1571J	1089	43.3
  C64J	1571J	1090	43.2
  C64S	1541S	1220	38.6
  C128	1571	1349	34.9
  C64	1764 RamDOS 3.3	3713	12.7
  C64	XPCLink+CRC	3758	12.5
  C64J	FD2000	3795	12.4
  C64J	1581J	3872	12.2
  C64	XPCLink	3973	11.9
  C64D	1541D	4037	11.7
  C64J	CMD-HD	4548	10.4
  C128J	1581J	5218	9.0
  C64	PPCLink slow+CRC	5384	8.7
  C64	ID 0.9x v0.11 720Kb LS-120	5458	8.6
  SCPU	ID 0.9x v0.11 720Kb LS-120	5466	8.6
  C64	Ramlink 4Mb	5661	8.3
  C64	ID 0.9x v0.11 1.2Mb LS-120	5689	8.3
  SCPU	ID 0.9x v0.11 1.2Mb LS-120	5698	8.3
  C64	ID 0.9x v0.11 1.44Mb LS-120	5710	8.2
  SCPU	ID 0.9x v0.11 1.44Mb LS-120	5753	8.2
  C64	PPCLink slow	5834	8.1
  SCPU	XPCLink+CRC	5900	8.0
  C64	PPCLink+CRC	6045	7.8
  SCPU	XPCLink	6277	7.5
  C64	PPCLink	6621	7.1
  C64	UPCLink	9491	5.0
  C64	ID 0.9x v0.11 120Mb LS-120	9593	4.9
  SCPU	PPCLink slow+CRC	10129	4.7
  C64	EPCLink+ETFE	10278	4.6
  C64	ID 0.90 v0.11 LBA SanDisk 16Mb CF	10565	4.5
  C64	ID 0.9x v0.11 100Mb ZiP100	10717	4.4
  C64	ID 0.9x v0.11 250Mb ZiP250	10800	4.4
  SCPU	ID 0.9x v0.11 120Mb LS-120	10853	4.3
  C64	ID 0.9x v0.11 CHS Quantum FB640a	11038	4.3
  C64	ID 0.9x v0.11 LBA Quantum FB640a	11038	4.3
  C64	ID 0.9x v0.11 4.1 Samsung CF/ATA 256Mb	11194	4.2
  SCPU	PPCLink slow	11564	4.1
  SCPU	PPCLink+CRC	12356	3.8
  SCPU	ID 0.9x v0.11 100Mb ZiP100	12511	3.8
  SCPU	ID 0.9x v0.11 CHS Quantum FB640a	12891	3.7
  SCPU	ID 0.9x v0.11 LBA Quantum FB640a	12892	3.7
  SCPU	PPCLink	14521	3.2
  SCPU	UPCLink	24065	2.0
  SCPU	EPCLink+ETFE	33556	1.4
  SCPU	Ramlink 4Mb	33782	1.4
  SCPU	ID 0.90 v0.11 LBA SanDisk 16Mb CF	35019	1.3
  SCPU	ID 0.9x v0.11 4.1 Samsung CF/ATA 256Mb	42505	1.1

  
  

  SAVE ($FFD8)

  Machine, device		Speed (1000 bytes/sec)	Time
  C64	Datassette	0.04	1121.5
  C64	1541	0.39	122.3
  C64	1571	0.42	111.1
  C64	Datassette Turbo Tape 64	0.44	107.1
  C64S	1541S	0.49	95.4
  C128	1571	0.54	87.7
  C64	CMD-HD	0.86	55.0
  C64	1581	0.90	52.5
  C64	64HDD V0.75 Normal	0.90	52.5
  C64	64HDD V0.75 Faster	0.90	52.5
  C64	64HDD V0.75 Fastest	0.90	52.5
  C64J	1541J	0.92	51.5
  C128J	1571J	1.0	49.2
  C64J	1571J	1.0	47.5
  C64J	FD2000	2.0	23.9
  C128J	1581J	2.2	21.0
  C64J	1581J	2.3	20.3
  C64J	CMD-HD	2.7	17.4
  C64	XPCLink+CRC	4.8	9.7
  C64	XPCLink	5.2	9.1
  C64D	1541D	5.8	8.2
  SCPU	XPCLink+CRC	6.1	7.7
  SCPU	ID 0.9x v0.11 720Kb LS-120	6.6	7.1
  SCPU	XPCLink	6.7	7.0
  C64	ID 0.9x v0.11 720Kb LS-120	7.0	6.8
  SCPU	ID 0.9x v0.11 1.2Mb LS-120	8.3	5.7
  SCPU	ID 0.9x v0.11 1.44Mb LS-120	8.3	5.7
  C64	ID 0.9x v0.11 1.2Mb LS-120	8.8	5.3
  C64	ID 0.9x v0.11 1.44Mb LS-120	9.0	5.2
  C64	PPCLink+CRC	9.6	4.9
  C64	PPCLink slow+CRC	9.8	4.8
  C64	PPCLink	11.1	4.2
  C64	PPCLink slow	11.4	4.1
  SCPU	PPCLink+CRC	12.7	3.7
  SCPU	PPCLink slow+CRC	13.1	3.6
  SCPU	PPCLink	15.5	3.0
  SCPU	PPCLink slow	16.0	2.9
  C64	Ramlink 4Mb	18.8	2.5
  C64	EPCLink+ETFE	19.3	2.4
  C64	UPCLink	21.9	2.2
  C64	ID 0.9x v0.11 120Mb LS-120	25.0	1.9
  SCPU	ID 0.9x v0.11 120Mb LS-120	27.3	1.7
  SCPU	EPCLink+ETFE	32.2	1.5
  SCPU	UPCLink	34.7	1.4
  C64	ID 0.9x v0.11 250Mb ZiP250	54.1	0.9
  C64	ID 0.9x v0.11 100Mb ZiP100	55.5	0.8
  C64	ID 0.90 v0.11 LBA SanDisk 16Mb CF	65.0	0.7
  C64	ID 0.9x v0.11 CHS Quantum FB640a	65.6	0.7
  SCPU	ID 0.9x v0.11 100Mb ZiP100	66.5	0.7
  C64	ID 0.9x v0.11 LBA Quantum FB640a	66.6	0.7
  C64	ID 0.9x v0.11 4.1 Samsung CF/ATA 256Mb	79.0	0.6
  SCPU	Ramlink 4Mb	103.3	0.5
  SCPU	ID 0.90 v0.11 LBA SanDisk 16Mb CF	189.0	0.2
  SCPU	ID 0.9x v0.11 4.1 Samsung CF/ATA 256Mb	214.9	0.2
  SCPU	ID 0.9x v0.11 CHS Quantum FB640a	236.8	0.2
  C64	1764 RamDOS 3.3	238.6	0.2
  SCPU	ID 0.9x v0.11 LBA Quantum FB640a	243.3	0.2

  
  

  CHROUT ($FFD2)

  Machine, device		Speed (bytes/sec)	Time
  C64	Datassette	30	1570.1
  C64	1541	371	127.0
  C64	1571	462	102.0
  C64S	1541S	475	99.2
  C128	1571	523	90.1
  C64J	1541J	851	55.4
  C128J	1571J	873	54.0
  C64	CMD-HD	894	52.7
  C64J	1571J	923	51.0
  C64	1581	939	50.2
  C64	64HDD V0.75 Normal	947	49.7
  C64	64HDD V0.75 Faster	947	49.7
  C64	64HDD V0.75 Fastest	947	49.7
  C64D	1541D	1786	26.4
  C64	ID 0.9x v0.11 720Kb LS-120	1931	24.4
  SCPU	ID 0.9x v0.11 720Kb LS-120	1964	24.0
  C64	ID 0.9x v0.11 1.2Mb LS-120	1985	23.7
  C64	ID 0.9x v0.11 1.44Mb LS-120	2023	23.3
  SCPU	ID 0.9x v0.11 1.2Mb LS-120	2029	23.2
  SCPU	ID 0.9x v0.11 1.44Mb LS-120	2035	23.1
  C64J	FD2000	2360	20.0
  C64J	1581J	2572	18.3
  C128J	1581J	3021	15.6
  C64J	CMD-HD	3184	14.8
  C64	1764 RamDOS 3.3	3208	14.7
  C64	XPCLink+CRC	3692	12.8
  C64	XPCLink	3899	12.1
  C64	Ramlink 4Mb	5487	8.6
  C64	PPCLink+CRC	5805	8.1
  C64	PPCLink slow+CRC	5857	8.0
  SCPU	XPCLink+CRC	6031	7.8
  C64	ID 0.9x v0.11 120Mb LS-120	6116	7.7
  SCPU	ID 0.9x v0.11 120Mb LS-120	6117	7.7
  C64	PPCLink	6310	7.5
  C64	PPCLink slow	6369	7.4
  SCPU	XPCLink	6572	7.2
  C64	ID 0.9x v0.11 250Mb ZiP250	8342	5.6
  C64	UPCLink	8769	5.4
  C64	EPCLink+ETFE	9036	5.2
  C64	ID 0.90 v0.11 LBA SanDisk 16Mb CF	9482	5.0
  C64	ID 0.9x v0.11 CHS Quantum FB640a	9649	4.9
  C64	ID 0.9x v0.11 4.1 Samsung CF/ATA 256Mb	9731	4.8
  C64	ID 0.9x v0.11 100Mb ZiP100	9994	4.7
  C64	ID 0.9x v0.11 LBA Quantum FB640a	10256	4.6
  SCPU	ID 0.9x v0.11 CHS Quantum FB640a	10855	4.3
  SCPU	ID 0.9x v0.11 100Mb ZiP100	10995	4.3
  SCPU	ID 0.9x v0.11 LBA Quantum FB640a	11226	4.2
  SCPU	PPCLink+CRC	11789	4.0
  SCPU	PPCLink slow+CRC	12032	3.9
  SCPU	PPCLink	14035	3.4
  SCPU	PPCLink slow	14391	3.3
  SCPU	UPCLink	23911	2.0
  SCPU	EPCLink+ETFE	27058	1.7
  SCPU	ID 0.90 v0.11 LBA SanDisk 16Mb CF	28926	1.6
  SCPU	ID 0.9x v0.11 4.1 Samsung CF/ATA 256Mb	30982	1.5
  SCPU	Ramlink 4Mb	31886	1.5

  
  

  READ ($DEF4)

  Machine, device		Speed (1000 bytes/sec)	Time
  C64	XPCLink+CRC	5.0	9.4
  C64	XPCLink	5.7	8.3
  SCPU	XPCLink+CRC	6.2	7.6
  SCPU	XPCLink	6.9	6.8
  C64	PPCLink slow+CRC	8.5	5.6
  C64	PPCLink+CRC	10.1	4.7
  C64	PPCLink slow	10.4	4.5
  SCPU	PPCLink slow+CRC	11.8	4.0
  C64	PPCLink	13.1	3.6
  SCPU	PPCLink slow	13.8	3.4
  SCPU	PPCLink+CRC	14.8	3.2
  SCPU	PPCLink	18.1	2.6
  C64	ID 0.9x v0.11 720Kb LS-120	23.9	2.0
  SCPU	ID 0.9x v0.11 720Kb LS-120	24.3	1.9
  C64	ID 0.9x v0.11 1.2Mb LS-120	26.2	1.8
  C64	ID 0.9x v0.11 1.44Mb LS-120	26.8	1.8
  C64	ID 0.9x v0.11 120Mb LS-120	40.1	1.2
  SCPU	ID 0.9x v0.11 1.2Mb LS-120	40.1	1.2
  C64	EPCLink+ETFE	42.6	1.1
  SCPU	ID 0.9x v0.11 1.44Mb LS-120	46.7	1.0
  C64	UPCLink	47.3	1.0
  SCPU	ID 0.9x v0.11 120Mb LS-120	47.7	1.0
  SCPU	UPCLink	57.4	0.8
  SCPU	EPCLink+ETFE	57.7	0.8
  C64	ID 0.9x v0.11 100Mb ZiP100	73.6	0.6
  C64	ID 0.9x v0.11 250Mb ZiP250	74.8	0.6
  C64	ID 0.90 v0.11 LBA SanDisk 16Mb CF	75.0	0.6
  C64	ID 0.9x v0.11 CHS Quantum FB640a	76.0	0.6
  C64	ID 0.9x v0.11 LBA Quantum FB640a	76.1	0.6
  C64	ID 0.9x v0.11 4.1 Samsung CF/ATA 256Mb	89.4	0.5
  SCPU	ID 0.9x v0.11 100Mb ZiP100	95.4	0.5
  SCPU	ID 0.90 v0.11 LBA SanDisk 16Mb CF	302.5	0.2
  SCPU	ID 0.9x v0.11 CHS Quantum FB640a	324.0	0.1
  SCPU	ID 0.9x v0.11 LBA Quantum FB640a	325.4	0.1
  SCPU	ID 0.9x v0.11 4.1 Samsung CF/ATA 256Mb	391.7	0.1

  
  

  WRITE ($DEF1)

  Machine, device		Speed (1000 bytes/sec)	Time
  C64	XPCLink+CRC	4.8	9.7
  C64	XPCLink	5.2	9.0
  SCPU	XPCLink+CRC	6.1	7.7
  SCPU	XPCLink	6.7	7.0
  C64	ID 0.9x v0.11 720Kb LS-120	8.5	5.5
  SCPU	ID 0.9x v0.11 720Kb LS-120	8.5	5.5
  C64	PPCLink+CRC	9.6	4.9
  C64	PPCLink slow+CRC	9.8	4.8
  C64	PPCLink	11.2	4.2
  C64	PPCLink slow	11.4	4.1
  C64	ID 0.9x v0.11 1.2Mb LS-120	11.8	4.0
  SCPU	ID 0.9x v0.11 1.2Mb LS-120	11.8	4.0
  C64	ID 0.9x v0.11 1.44Mb LS-120	11.9	4.0
  SCPU	ID 0.9x v0.11 1.44Mb LS-120	12.0	3.9
  SCPU	PPCLink+CRC	12.7	3.7
  SCPU	PPCLink slow+CRC	13.1	3.6
  SCPU	PPCLink	15.6	3.0
  SCPU	PPCLink slow	16.1	2.9
  C64	EPCLink+ETFE	19.3	2.4
  C64	UPCLink	22.2	2.1
  SCPU	EPCLink+ETFE	33.4	1.4
  SCPU	UPCLink	35.4	1.3
  C64	ID 0.9x v0.11 120Mb LS-120	37.3	1.3
  SCPU	ID 0.9x v0.11 120Mb LS-120	39.9	1.2
  C64	ID 0.9x v0.11 100Mb ZiP100	81.3	0.6
  C64	ID 0.90 v0.11 LBA SanDisk 16Mb CF	81.9	0.6
  C64	ID 0.9x v0.11 CHS Quantum FB640a	82.7	0.6
  C64	ID 0.9x v0.11 LBA Quantum FB640a	83.2	0.6
  SCPU	ID 0.9x v0.11 100Mb ZiP100	98.1	0.5
  C64	ID 0.9x v0.11 4.1 Samsung CF/ATA 256Mb	99.3	0.5
  SCPU	ID 0.9x v0.11 4.1 Samsung CF/ATA 256Mb	349.8	0.1
  SCPU	ID 0.90 v0.11 LBA SanDisk 16Mb CF	372.7	0.1
  SCPU	ID 0.9x v0.11 CHS Quantum FB640a	438.2	0.1
  SCPU	ID 0.9x v0.11 LBA Quantum FB640a	446.9	0.1

  
  

  OPEN ($FFC0)

  Machine, device		Speed (millisecond)	Time
  C64J	1541J	645	-
  C64	1541	445	-
  C128	1571	442	-
  C64J	1571J	439	-
  C128J	1571J	429	-
  C128J	1581J	177	-
  C64J	1581J	170	-
  C64	1764 RamDOS 3.3	121	-
  C64	ID 0.9x v0.11 1.2Mb LS-120	118	-
  C64	ID 0.9x v0.11 1.44Mb LS-120	112	-
  SCPU	ID 0.9x v0.11 100Mb ZiP100	79	-
  C64	ID 0.9x v0.11 100Mb ZiP100	72	-
  SCPU	ID 0.9x v0.11 720Kb LS-120	48	-
  C64	ID 0.9x v0.11 720Kb LS-120	46	-
  SCPU	ID 0.9x v0.11 1.2Mb LS-120	29	-
  C64	ID 0.9x v0.11 120Mb LS-120	26	-
  SCPU	ID 0.9x v0.11 1.44Mb LS-120	25	-
  C64	ID 0.90 v0.11 LBA SanDisk 16Mb CF	24	-
  SCPU	UPCLink	23	-
  C64	ID 0.9x v0.11 LBA Quantum FB640a	22	-
  C64	ID 0.9x v0.11 CHS Quantum FB640a	22	-
  C64	ID 0.9x v0.11 4.1 Samsung CF/ATA 256Mb	21	-
  SCPU	ID 0.90 v0.11 LBA SanDisk 16Mb CF	19	-
  SCPU	ID 0.9x v0.11 120Mb LS-120	19	-
  SCPU	ID 0.9x v0.11 LBA Quantum FB640a	17	-
  SCPU	ID 0.9x v0.11 CHS Quantum FB640a	16	-
  C64	UPCLink	16	-
  SCPU	ID 0.9x v0.11 4.1 Samsung CF/ATA 256Mb	16	-
  C64	XPCLink+CRC	11	-
  C64	XPCLink	9	-
  C64	EPCLink+ETFE	9	-
  C64	PPCLink+CRC	8	-
  C64	PPCLink slow	8	-
  SCPU	XPCLink+CRC	8	-
  C64	PPCLink slow+CRC	7	-
  SCPU	XPCLink	7	-
  SCPU	EPCLink+ETFE	7	-
  C64	PPCLink	6	-
  SCPU	PPCLink slow+CRC	5	-
  SCPU	PPCLink+CRC	5	-
  SCPU	PPCLink slow	4	-
  SCPU	PPCLink	4	-

  
  

  CREATE ($FFC0)

  Machine, device		Speed (millisecond)	Time
  C128J	1571J	4319	-
  C128	1571	4311	-
  C64J	1541J	2987	-
  C64	1541	2828	-
  C64J	1571J	2610	-
  SCPU	ID 0.9x v0.11 1.2Mb LS-120	1570	-
  SCPU	ID 0.9x v0.11 1.44Mb LS-120	1567	-
  SCPU	ID 0.9x v0.11 720Kb LS-120	1499	-
  C64	ID 0.9x v0.11 1.2Mb LS-120	1383	-
  C64	ID 0.9x v0.11 1.44Mb LS-120	1376	-
  C64	ID 0.9x v0.11 720Kb LS-120	1218	-
  C64	ID 0.9x v0.11 120Mb LS-120	609	-
  SCPU	ID 0.9x v0.11 120Mb LS-120	527	-
  C64	ID 0.9x v0.11 100Mb ZiP100	258	-
  SCPU	ID 0.9x v0.11 100Mb ZiP100	239	-
  C64	ID 0.90 v0.11 LBA SanDisk 16Mb CF	139	-
  C64	1764 RamDOS 3.3	126	-
  SCPU	ID 0.90 v0.11 LBA SanDisk 16Mb CF	121	-
  C64	ID 0.9x v0.11 LBA Quantum FB640a	120	-
  C64	ID 0.9x v0.11 CHS Quantum FB640a	116	-
  C64	ID 0.9x v0.11 4.1 Samsung CF/ATA 256Mb	91	-
  SCPU	ID 0.9x v0.11 LBA Quantum FB640a	80	-
  SCPU	ID 0.9x v0.11 CHS Quantum FB640a	77	-
  SCPU	ID 0.9x v0.11 4.1 Samsung CF/ATA 256Mb	62	-
  C64	UPCLink	16	-
  SCPU	UPCLink	16	-
  C64	XPCLink+CRC	11	-
  C64	EPCLink+ETFE	10	-
  C64	XPCLink	9	-
  C64	PPCLink slow+CRC	8	-
  C64	PPCLink+CRC	8	-
  SCPU	XPCLink+CRC	8	-
  SCPU	EPCLink+ETFE	8	-
  SCPU	XPCLink	7	-
  C64	PPCLink slow	6	-
  C64	PPCLink	6	-
  SCPU	PPCLink slow+CRC	5	-
  SCPU	PPCLink+CRC	5	-
  SCPU	PPCLink slow	4	-
  SCPU	PPCLink	4	-